UCL Discovery

A

Abdurakhimov, LV; Brazhnikov, MY; Remizov, IA; Levchenko, AA; (2010) Observation of Wave Energy Accumulation in the Turbulent Spectrum of Capillary Waves on the He-II Surface under Harmonic Pumping. JETP LETTERS , 91 (6) pp. 271-276. 10.1134/S0021364010060032.

Abe, E; Tyryshkin, AM; Tojo, S; Morton, JJL; Witzel, WM; Fujimoto, A; Ager, JW; ... Itoh, KM; + view all Abe, E; Tyryshkin, AM; Tojo, S; Morton, JJL; Witzel, WM; Fujimoto, A; Ager, JW; Haller, EE; Isoya, J; Lyon, SA; Thewalt, MLW; Itoh, KM; - view fewer (2010) Electron spin coherence of phosphorus donors in silicon: Effect of environmental nuclei. PHYSICAL REVIEW B , 82 (12) 10.1103/PhysRevB.82.121201.

Alimonti, A; Nardella, C; Chen, Z; Clohessy, JG; Carracedo, A; Trotman, LC; Cheng, K; ... Pandolfi, PP; + view all Alimonti, A; Nardella, C; Chen, Z; Clohessy, JG; Carracedo, A; Trotman, LC; Cheng, K; Varmeh, S; Kozma, SC; Thomas, G; Rosivatz, E; Woscholski, R; Cognetti, F; Scher, HI; Pandolfi, PP; - view fewer (2010) A novel type of cellular senescence that can be enhanced in mouse models and human tumor xenografts to suppress prostate tumorigenesis. JOURNAL OF CLINICAL INVESTIGATION , 120 (3) pp. 681-693. 10.1172/JCI40535.

Aranda, MAG; Berenguer, F; Bean, RJ; Shi, XW; Xiong, G; Collins, SP; Nave, C; Aranda, MAG; Berenguer, F; Bean, RJ; Shi, XW; Xiong, G; Collins, SP; Nave, C; Robinson, IK; - view fewer (2010) Coherent X-ray diffraction investigation of twinned microcrystals. J SYNCHROTRON RADIAT , 17 751 - 760. 10.1107/S0909049510039774.

B

Barillaro, G; Bruschi, P; Lazzerini, GM; Strambini, LM; (2010) Validation of the Compatibility Between a Porous Silicon-Based Gas Sensor Technology and Standard Microelectronic Process. IEEE SENS J , 10 (4) 893 - 899. 10.1109/JSEN.2009.2034861.

Barillaro, G; Lazzerini, GM; Strambini, LM; (2010) Modeling of porous silicon junction field effect transistor gas sensors: Insight into NO2 interaction. APPL PHYS LETT , 96 (16) , Article 162105. 10.1063/1.3391620.

Beale, TAW; Wilkins, SB; Johnson, RD; Bland, SR; Joly, Y; Forrest, TR; McMorrow, DF; ... Hatton, PD; + view all Beale, TAW; Wilkins, SB; Johnson, RD; Bland, SR; Joly, Y; Forrest, TR; McMorrow, DF; Yakhou, F; Prabhakaran, D; Boothroyd, AT; Hatton, PD; - view fewer (2010) Antiferromagnetically Spin Polarized Oxygen Observed in Magnetoelectric TbMn2O5. PHYS REV LETT , 105 (8) , Article 087203. 10.1103/PhysRevLett.105.087203.

Beitra, L; Watari, M; Matsuura, T; Shimamoto, N; Harder, R; Robinson, I; (2010) Confocal Microscope Alignment of Nanocrystals for Coherent Diffraction Imaging. In: Garrett, R and Gentle, I and Nugent, K and Wilkins, S, (eds.) (Proceedings) 10th International Conference on Synchrotron Radiation Instrumentation. (pp. 57-+). AMER INST PHYSICS

Bernabini, C; Holmes, D; Morgan, H; (2010) Micro-impedance cytometry for detection and analysis of micron-sized particles and bacteria. Lab Chip , 11 (3) pp. 407-412.

Berridge, AM; Grigera, SA; Simons, BD; Green, AG; (2010) Magnetic analog of the Fulde-Ferrell-Larkin-Ovchinnikov phase in Sr3Ru2O7. Physical Review B , 81 (5) , Article 054429. 10.1103/PhysRevB.81.054429.

Bevilacqua, M.; (2010) Electrical properties of diamond nanostructures. Doctoral thesis , UCL (University College London).

Bovellan, M; Fritzsche, M; Stevens, C; Charras, G; (2010) Death-associated protein kinase (DAPK) and signal transduction: blebbing in programmed cell death. FEBS J , 277 (1) 58 - 65. 10.1111/j.1742-4658.2009.07412.x.

Boyd, IW; Liaw, II; (2010) Excimer Ultraviolet Sources for Thin Film Deposition: A 15 Year Perspective. LASER APPLICATIONS IN MICROELECTRONIC AND OPTOELECTRONIC MANUFACTURING XV , 7584 (UNSP 758) 10.1117/12.847091.

Brookes, J. C.; (2010) Science is perception: what can our sense of smell tell us about ourselves and the world around us? Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences , 368 (1924) pp. 3491-3502. 10.1098/rsta.2010.0117.

Brookes, JC; (2010) Science is perception: what can our sense of smell tell us about ourselves and the world around us? PHILOS T R SOC A , 368 (1924) 3491 - 3502. 10.1098/rsta.2010.0117.

Brown, RM; Ito, Y; Warner, JH; Ardavan, A; Shinohara, H; Briggs, GAD; Morton, JJL; (2010) Electron spin coherence in metallofullerenes: Y, Sc, and La@C-82. PHYSICAL REVIEW B , 82 (3) 10.1103/PhysRevB.82.033410.

Bryant, B.E.M.; (2010) Scanning tunnelling microscopy of bilayer manganites. Doctoral thesis , UCL (University College London).

Buckley, MR; Bergou, AJ; Fouchard, J; Bonassar, LJ; Cohen, I; (2010) High-resolution spatial mapping of shear properties in cartilage. JOURNAL OF BIOMECHANICS , 43 (4) pp. 796-800. 10.1016/j.jbiomech.2009.10.012.

Burgess, JE; Johnson, BC; Villis, BJ; McCallum, JC; Charnvanichborikarn, S; Wong-Leung, J; Williams, JS; (2010) Comparison between implanted boron and phosphorus in silicon wafers. In: (Proceedings) Conference on Optoelectronic and Microelectronic Materials and Devices (COMMAD). (pp. pp. 225-226). IEEE

C

Calder, S.; (2010) Investigation of geometric frustration in magnetic oxides. Doctoral thesis , UCL (University College London).

Cha, W; Song, S; Jeong, NC; Harder, R; Yoon, KB; Robinson, IK; Kim, H; (2010) Exploration of crystal strains using coherent x-ray diffraction. NEW J PHYS , 12 , Article 035022. 10.1088/1367-2630/12/3/035022.

Charnvanichborikarn, S; Villis, BJ; Johnson, BC; Wong-Leung, J; McCallum, JC; Williams, JS; Jagadish, C; (2010) Effect of boron on interstitial-related luminescence centers in silicon. APPLIED PHYSICS LETTERS , 96 (5) 10.1063/1.3300836.

Chaudhary, A; Welch, JO; Jackman, RB; (2010) Electrical properties of monodispersed detonation nanodiamonds. APPL PHYS LETT , 96 (24) , Article 242903. 10.1063/1.3446966.

Chiatti, O; Warburton, PA; (2010) Low-temperature transport in ultra-thin tungsten films grown by focused-ion-beam deposition. Presented at: IOP Superconductivity Group Summer Science Meeting 2010, The Institute of Physics, London, UK.

Chiatti, O; Warburton, PA; (2010) Low-temperature transport in ultra-thin tungsten films grown by focused-ion-beam deposition. Presented at: Condensed Matter and Materials Physics (CMMP) 2010, Warwick University, UK.

Cizmar, E; Ozerov, M; Wosnitza, J; Thielemann, B; Kramer, KW; Ruegg, C; Piovesana, O; ... Zvyagin, SA; + view all Cizmar, E; Ozerov, M; Wosnitza, J; Thielemann, B; Kramer, KW; Ruegg, C; Piovesana, O; Klanjsek, M; Horvatic, M; Berthier, C; Zvyagin, SA; - view fewer (2010) Anisotropy of magnetic interactions in the spin-ladder compound (C5H12N)(2)CuBr4. PHYS REV B , 82 (5) , Article 054431. 10.1103/PhysRevB.82.054431.

D

De Greve, K; Clark, SM; Sleiter, D; Sanaka, K; Ladd, TD; Panfilova, M; Pawlis, A; ... Yamamoto, Y; + view all De Greve, K; Clark, SM; Sleiter, D; Sanaka, K; Ladd, TD; Panfilova, M; Pawlis, A; Lischka, K; Yamamoto, Y; - view fewer (2010) Photon antibunching and magnetospectroscopy of a single fluorine donor in ZnSe. APPLIED PHYSICS LETTERS , 97 (24) 10.1063/1.3525579.

Dean, MPM; Walters, AC; Howard, CA; Weller, TE; Calandra, M; Mauri, F; Ellerby, M; ... McMorrow, DF; + view all Dean, MPM; Walters, AC; Howard, CA; Weller, TE; Calandra, M; Mauri, F; Ellerby, M; Saxena, SS; Ivanov, A; McMorrow, DF; - view fewer (2010) Neutron scattering study of the high-energy graphitic phonons in superconducting CaC6. PHYS REV B , 82 (1) , Article 014533. 10.1103/PhysRevB.82.014533.

Di Valentin, M; Salvadori, E; Agostini, G; Biasibetti, F; Ceola, S; Hiller, R; Giacometti, GM; Di Valentin, M; Salvadori, E; Agostini, G; Biasibetti, F; Ceola, S; Hiller, R; Giacometti, GM; Carbonera, D; - view fewer (2010) Triplet-triplet energy transfer in the major intrinsic light-harvesting complex of Amphidinium carterae as revealed by ODMR and EPR spectroscopies. BIOCHIMICA ET BIOPHYSICA ACTA-BIOENERGETICS , 1797 (10) pp. 1759-1767. 10.1016/j.bbabio.2010.06.011.

Di Valentin, M; Salvadori, E; Ceola, S; Carbonera, D; (2010) Pulsed EPR and ENDOR on the Peridinin Triplet State Involved in the Photoprotective Mechanism in Peridinin-Chlorophyll a-Proteins. APPLIED MAGNETIC RESONANCE , 37 (1-4) pp. 191-205. 10.1007/s00723-009-0046-y.

Dueck, B.; (2010) Robust optical diffractive technique to read out cantilever defl�ection. Doctoral thesis , UCL (University College London).

de la Cuesta, FB; Bean, RJ; McCallion, C; Wallace, K; Bozec, L; Hiller, JC; Terrill, NJ; de la Cuesta, FB; Bean, RJ; McCallion, C; Wallace, K; Bozec, L; Hiller, JC; Terrill, NJ; Robinson, IK; - view fewer (2010) Collagen imaged by Coherent X-ray Diffraction: towards a complementary tool to conventional scanning SAXS. In: Ungar, G, (ed.) XIV INTERNATIONAL CONFERENCE ON SMALL-ANGLE SCATTERING (SAS09). (pp. ? - ?). IOP PUBLISHING LTD

E

Easton, S; Ionescu, A; Kurebayashi, H; Kim, J-Y; Barnes, CHW; (2010) The initial growth mode of Co on Cu(311). JOURNAL OF APPLIED PHYSICS , 107 (9) 10.1063/1.3360341.

Easton, S; Kuepper, D; Ionescu, A; Kurebayashi, H; Barnes, CHW; (2010) Spin-engineering in the Co75Fe25/Cu(110) system. JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS , 322 (17) pp. 2493-2497. 10.1016/j.jmmm.2010.03.007.

El Hallak, F; van Slageren, J; Dressel, M; (2010) Torque detected broad band electron spin resonance. REV SCI INSTRUM , 81 (9) , Article 095105. 10.1063/1.3482158.

Eymery, JB; Truflandier, L; Charpentier, T; Chotard, JN; Tarascon, JM; Janot, R; (2010) Studies of covalent amides for hydrogen storage systems: Structures and bonding of the MAl(NH2)(4) phases with M = Li, Na and K. J ALLOY COMPD , 503 (1) 194 - 203. 10.1016/j.jallcom.2010.03.248.

F

Fabrizi, F; Walker, HC; Paolasini, L; de Bergevin, F; Fennell, T; Rogado, N; Cava, RJ; ... McMorrow, DF; + view all Fabrizi, F; Walker, HC; Paolasini, L; de Bergevin, F; Fennell, T; Rogado, N; Cava, RJ; Wolf, T; Kenzelmann, M; McMorrow, DF; - view fewer (2010) Electric field control of multiferroic domains in Ni3V2O8 imaged by x-ray polarization-enhanced topography. PHYSICAL REVIEW B , 82 (2) 10.1103/PhysRevB.82.024434.

Fassioli, F; Nazir, A; Olaya-Castro, A; (2010) Quantum State Tuning of Energy Transfer in a Correlated Environment. J PHYS CHEM LETT , 1 (14) 2139 - 2143. 10.1021/jz100717d.

Favre-Nicolin, V; Mastropietro, F; Eymery, J; Camacho, D; Niquet, YM; Borg, BM; Messing, ME; ... Robinson, IK; + view all Favre-Nicolin, V; Mastropietro, F; Eymery, J; Camacho, D; Niquet, YM; Borg, BM; Messing, ME; Wernersson, LE; Algra, RE; Bakkers, EPAM; Metzger, TH; Harder, R; Robinson, IK; - view fewer (2010) Analysis of strain and stacking faults in single nanowires using Bragg coherent diffraction imaging. NEW J PHYS , 12 , Article 035013. 10.1088/1367-2630/12/3/035013.

Ferrus, T; George, R; Barnes, CHW; Pepper, M; (2010) Disorder and electron interaction control in low-doped silicon metal-oxide-semiconductor field effect transistors. APPL PHYS LETT , 97 (14) , Article 142108. 10.1063/1.3499360.

Fleet, LR; Yoshida, K; Kobayashi, H; Ohno, Y; Kurebayashi, H; Kim, J-Y; Barnes, CHW; Fleet, LR; Yoshida, K; Kobayashi, H; Ohno, Y; Kurebayashi, H; Kim, J-Y; Barnes, CHW; Hirohata, A; - view fewer (2010) Schottky Barrier Height in Fe/GaAs Films. IEEE TRANSACTIONS ON MAGNETICS , 46 (6) pp. 1737-1740. 10.1109/TMAG.2010.2045483.

Fratini, M; Poccia, N; Ricci, A; Campi, G; Burghammer, M; Aeppli, G; Bianconi, A; (2010) Scale-free structural organization of oxygen interstitials in La2CuO4+y. NATURE , 466 (7308) 841 - 844. 10.1038/nature09260.

G

Gardener, JA; Liaw, I; Aeppli, G; Boyd, IW; Chater, RJ; Jones, TS; McPhail, DS; ... Heutz, S; + view all Gardener, JA; Liaw, I; Aeppli, G; Boyd, IW; Chater, RJ; Jones, TS; McPhail, DS; Sankar, G; Stoneham, AM; Sikora, M; Thornton, G; Heutz, S; - view fewer (2010) A novel route for the inclusion of metal dopants in silicon. NANOTECHNOLOGY , 21 (2) , Article 025304. 10.1088/0957-4484/21/2/025304.

Gaudet, M; Remtulla, N; Jackson, SE; Main, ERG; Bracewell, DG; Aeppli, G; Dalby, PA; (2010) Protein denaturation and protein:drugs interactions from intrinsic protein fluorescence measurements at the nanolitre scale. PROTEIN SCI , 19 (8) 1544 - 1554. 10.1002/pro.433.

Gawad, S; Holmes, D; at al, ; (2010) Microengineering in biotechnology. [Book]. (Vol.583). Springer

George, RE; Witzel, W; Riemann, H; Abrosimov, NV; Notzel, N; Thewalt, MLW; Morton, JJL; (2010) Electron spin coherence and electron nuclear double resonance of Bi donors in natural Si. Phys. Rev. Lett. , 105 (6) , Article 067601. 10.1103/PhysRevLett.105.067601.

Gil-Ramirez, G; Karlen, SD; Shundo, A; Porfyrakis, K; Ito, Y; Briggs, GAD; Morton, JJL; Gil-Ramirez, G; Karlen, SD; Shundo, A; Porfyrakis, K; Ito, Y; Briggs, GAD; Morton, JJL; Anderson, HL; - view fewer (2010) A Cyclic Porphyrin Trimer as a Receptor for Fullerenes. ORGANIC LETTERS , 12 (15) pp. 3544-3547. 10.1021/ol101393h.

Goikolea, E; Garitaonandia, JS; Insausti, M; Gil de Muro, I; Suzuki, M; Uruga, T; Tanida, H; ... Rojo, T; + view all Goikolea, E; Garitaonandia, JS; Insausti, M; Gil de Muro, I; Suzuki, M; Uruga, T; Tanida, H; Suzuki, K; Ortega, D; Plazaola, F; Rojo, T; - view fewer (2010) Magnetic and structural characterization of thiol capped ferromagnetic Ag nanoparticles. In:

Greenland, PT; Lynch, SA; van der Meer, AFG; Murdin, BN; Pidgeon, CR; Redlich, B; Vinh, NQ; Greenland, PT; Lynch, SA; van der Meer, AFG; Murdin, BN; Pidgeon, CR; Redlich, B; Vinh, NQ; Aeppli, G; - view fewer (2010) Coherent control of Rydberg states in silicon. NATURE , 465 (7301) 1057 - U116. 10.1038/nature09112.

Grohmann, D; Klose, D; Klare, JP; Kay, CWM; Steinhoff, HJ; Werner, F; (2010) RNA-Binding to Archaeal RNA Polymerase Subunits F/E: A DEER and FRET Study. J AM CHEM SOC , 132 (17) 5954 - +. 10.1021/ja101663d.

Gruter, RR; Khan, Z; Paxman, R; Ndieyira, JW; Dueck, B; Bircher, BA; Yang, JL; ... Hoogenboom, BW; + view all Gruter, RR; Khan, Z; Paxman, R; Ndieyira, JW; Dueck, B; Bircher, BA; Yang, JL; Drechsler, U; Despont, M; McKendry, RA; Hoogenboom, BW; - view fewer (2010) Disentangling mechanical and mass effects on nanomechanical resonators. APPL PHYS LETT , 96 (2) , Article 023113. 10.1063/1.3285169.

H

Harder, R; Liang, M; Sun, Y; Xia, Y; Robinson, IK; (2010) Imaging of complex density in silver nanocubes by coherent x-ray diffraction. NEW J PHYS , 12 , Article 035019. 10.1088/1367-2630/12/3/035019.

Hellmig, O; Salewski, S; Stark, A; Schwenke, J; Toschek, PE; Sengstock, K; Baev, VM; (2010) Multicolor diode-pumped upconversion fiber laser. Opt Lett , 35 (13) pp. 2263-2265. 10.1364/OL.35.002263.

Hepplestone, SP; Srivastava, GP; (2010) Phononic gaps in thin semiconductor superlattices. J APPL PHYS , 107 (4) , Article 043504. 10.1063/1.3285415.

Hepplestone, SP; Srivastava, GP; (2010) Theory of interface scattering of phonons in superlattices. PHYS REV B , 82 (14) , Article 144303. 10.1103/PhysRevB.82.144303.

Holmes, D; Gawad, S; (2010) Microengineering in biotechnology. [Book]. (Vol.583). Springer

Holmes, D; Morgan, H; (2010) Single cell impedance cytometry for identification and counting of CD4 T-cells in human blood using impedance labels. Analytical chemistry , 82 (4) pp. 1455-1461.

Horsfield, AP; Tong, L; Soh, Y-A; Warburton, PA; (2010) How to use a nanowire to measure vibrational frequencies: Device simulator results. JOURNAL OF APPLIED PHYSICS , 108 (1) 10.1063/1.3459896.

Huang, X; Nelson, J; Steinbrener, J; Kirz, J; Turner, JJ; Jacobsen, C; (2010) Incorrect support and missing center tolerances of phasing algorithms. Opt Express , 18 (25) pp. 26441-26449. 10.1364/OE.18.026441.

Hue, S; Gray, ER; Gall, A; Katzourakis, A; Tan, CP; Houldcroft, CJ; McLaren, S; ... Towers, GJ; + view all Hue, S; Gray, ER; Gall, A; Katzourakis, A; Tan, CP; Houldcroft, CJ; McLaren, S; Pillay, D; Futreal, A; Garson, JA; Pybus, OG; Kellam, P; Towers, GJ; - view fewer (2010) Disease-associated XMRV sequences are consistent with laboratory contamination. RETROVIROLOGY , 7 , Article 111. 10.1186/1742-4690-7-111.

I

Ito, Y; Warner, JH; Brown, R; Zaka, M; Pfeiffer, R; Aono, T; Izumi, N; ... Briggs, GAD; + view all Ito, Y; Warner, JH; Brown, R; Zaka, M; Pfeiffer, R; Aono, T; Izumi, N; Okimoto, H; Morton, JJL; Ardavan, A; Shinohara, H; Kuzmany, H; Peterlik, H; Briggs, GAD; - view fewer (2010) Controlling intermolecular spin interactions of La@C-82 in empty fullerene matrices. PHYSICAL CHEMISTRY CHEMICAL PHYSICS , 12 (7) pp. 1618-1623. 10.1039/b913593f.

J

James, AJA; Lamacraft, A; (2010) Non-Fermi-Liquid Fixed Point for an Imbalanced Gas of Fermions in 1+epsilon Dimensions. PHYSICAL REVIEW LETTERS , 104 (19) 10.1103/PhysRevLett.104.190403.

Jany, R; Breitschaft, M; Hammerl, G; Horsche, A; Richter, C; Paetel, S; Mannhart, J; ... Triscone, J-M; + view all Jany, R; Breitschaft, M; Hammerl, G; Horsche, A; Richter, C; Paetel, S; Mannhart, J; Stucki, N; Reyren, N; Gariglio, S; Zubko, P; Caviglia, AD; Triscone, J-M; - view fewer (2010) Diodes with breakdown voltages enhanced by the metal-insulator transition of LaAlO3-SrTiO3 interfaces. APPLIED PHYSICS LETTERS , 96 (18) 10.1063/1.3428433.

K

Kajita, M; Hogan, C; Harris, AR; Dupre-Crochet, S; Itasaki, N; Kawakami, K; Charras, G; ... Fujita, Y; + view all Kajita, M; Hogan, C; Harris, AR; Dupre-Crochet, S; Itasaki, N; Kawakami, K; Charras, G; Tada, M; Fujita, Y; - view fewer (2010) Interaction with surrounding normal epithelial cells influences signalling pathways and behaviour of Src-transformed cells. J CELL SCI , 123 (2) 171 - 180. 10.1242/jcs.057976.

Kole, PR; Jardine, AP; Hedgeland, H; Alexandrowicz, G; (2010) Measuring surface phonons with a 3He spin echo spectrometer: A two-dimensional approach. Journal of Physics Condensed Matter , 22 (30) 10.1088/0953-8984/22/30/304018.

Kurebayashi, H; Trypiniotis, T; Lee, K; Easton, S; Ionescu, A; Farrer, I; Ritchie, DA; ... Barnes, CHW; + view all Kurebayashi, H; Trypiniotis, T; Lee, K; Easton, S; Ionescu, A; Farrer, I; Ritchie, DA; Bland, JAC; Barnes, CHW; - view fewer (2010) Electrical determination of the spin relaxation time of photoexcited electrons in GaAs. APPLIED PHYSICS LETTERS , 96 (2) 10.1063/1.3291066.

Kurebayashi, H; Trypiniotis, T; Lee, K; Moutafis, C; Easton, S; Ionescu, A; Bland, JAC; Kurebayashi, H; Trypiniotis, T; Lee, K; Moutafis, C; Easton, S; Ionescu, A; Bland, JAC; Barnes, CHW; - view fewer (2010) Numerical calculation model for spin-dependent transport of photoexcited electrons across Fe/GaAs(001) interfaces. JOURNAL OF PHYSICS D-APPLIED PHYSICS , 43 (30) 10.1088/0022-3727/43/30/305001.

L

Li, W; Gu, C; Warburton, PA; (2010) Superconductivity of Freestanding Tungsten Nanofeatures Grown by Focused-Ion-Beam. Journal of Nanoscience and Nanotechnology , 10 (11) pp. 7436-7438. 10.1166/jnn.2010.2850.

Lopes, M; Candini, A; Urdampilleta, M; Reserbat-Plantey, A; Bellini, V; Klyatskaya, S; Marty, L; ... Bendiab, N; + view all Lopes, M; Candini, A; Urdampilleta, M; Reserbat-Plantey, A; Bellini, V; Klyatskaya, S; Marty, L; Ruben, M; Affronte, M; Wernsdorfer, W; Bendiab, N; - view fewer (2010) Surface-enhanced Raman signal for terbium single-molecule magnets grafted on graphene. ACS Nano , 4 (12) pp. 7531-7537. 10.1021/nn1018363.

Lv, W; Krüger, F; Phillips, P; (2010) Orbital ordering and unfrustrated (π,0) magnetism from degenerate double exchange in the iron pnictides. Physical Review B , 82 (4) , Article 045125. 10.1103/PhysRevB.82.045125.

Lynch, SA; Greenland, PT; van der Meer, AFG; Murdin, BN; Pidgeon, CR; Redlich, B; Nguyen, QV; Lynch, SA; Greenland, PT; van der Meer, AFG; Murdin, BN; Pidgeon, CR; Redlich, B; Nguyen, QV; Aeppli, G; - view fewer (2010) First Observation of a THz Photon Echo. 35TH INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER, AND TERAHERTZ WAVES (IRMMW-THZ 2010) ? - ?.

Lynch, SA; Greenland, PT; van der Meer, AFG; Murdin, BN; Pidgeon, CR; Redlich, B; Vinh, NQ; Lynch, SA; Greenland, PT; van der Meer, AFG; Murdin, BN; Pidgeon, CR; Redlich, B; Vinh, NQ; Aeppli, G; - view fewer (2010) Quantum Control of Phosphorus Donor Rydberg States in Silicon. 2010 7TH IEEE INTERNATIONAL CONFERENCE ON GROUP IV PHOTONICS (GFP) pp. 380-382.

Lynch, SA; Matmon, G; Pavlov, SG; Litvinenko, KL; Redlich, B; van der Meer, AFG; Abrosimov, NV; Lynch, SA; Matmon, G; Pavlov, SG; Litvinenko, KL; Redlich, B; van der Meer, AFG; Abrosimov, NV; Hubers, HW; - view fewer (2010) Inhomogeneous broadening of phosphorus donor lines in the far-infrared spectra of single-crystalline SiGe. PHYS REV B , 82 (24) , Article 245206. 10.1103/PhysRevB.82.245206.

M

Malboubi, M; Gu, Y; Jiang, K; (2010) Experimental and simulation study of the effect of pipette roughness on giga-seal formation in patch clamping. In: MICROELECTRONIC ENGINEERING. (pp. 778 - 781). ELSEVIER SCIENCE BV

Matmon, G; Paul, DJ; Lever, L; Califano, M; Ikonic, Z; Kelsall, RW; Zhang, J; ... Neels, A; + view all Matmon, G; Paul, DJ; Lever, L; Califano, M; Ikonic, Z; Kelsall, RW; Zhang, J; Chrastina, D; Isella, G; von Kanel, H; Muller, E; Neels, A; - view fewer (2010) Si/SiGe quantum cascade superlattice designs for terahertz emission. J APPL PHYS , 107 (5) , Article 053109. 10.1063/1.3319653.

McCamey, DR; Van Tol, J; Morley, GW; Boehme, C; (2010) Electronic Spin Storage in an Electrically Readable Nuclear Spin Memory with a Lifetime > 100 Seconds. SCIENCE , 330 (6011) 1652 - 1656. 10.1126/science.1197931.

McCutcheon, D.P.S.; (2010) Open quantum systems in spatially correlated regimes. Doctoral thesis , UCL (University College London).

McCutcheon, DPS; Nazir, A; (2010) Quantum dot Rabi rotations beyond the weak exciton-phonon coupling regime. NEW J PHYS , 12 , Article 113042. 10.1088/1367-2630/12/11/113042.

McCutcheon, DPS; Nazir, A; Bose, S; Fisher, AJ; (2010) Separation-dependent localization in a two-impurity spin-boson model. PHYS REV B , 81 (23) , Article 235321. 10.1103/PhysRevB.81.235321.

McEniry, EJ; Wang, Y; Dundas, D; Todorov, TN; Stella, L; Miranda, RP; Fisher, AJ; ... Sutton, AP; + view all McEniry, EJ; Wang, Y; Dundas, D; Todorov, TN; Stella, L; Miranda, RP; Fisher, AJ; Horsfield, AP; Race, CP; Mason, DR; Foulkes, WMC; Sutton, AP; - view fewer (2010) Modelling non-adiabatic processes using correlated electron-ion dynamics. EUR PHYS J B , 77 (3) 305 - 329. 10.1140/epjb/e2010-00280-5.

Menzel, R; Tran, MQ; Menner, A; Kay, CWM; Bismarck, A; Shaffer, MSP; (2010) A versatile, solvent-free methodology for the functionalisation of carbon nanotubes. CHEM SCI , 1 (5) 603 - 608. 10.1039/c0sc00287a.

Mercure, J-F; Rost, AW; O'Farrell, ECT; Goh, SK; Perry, RS; Sutherland, ML; Grigera, SA; ... Mackenzie, AP; + view all Mercure, J-F; Rost, AW; O'Farrell, ECT; Goh, SK; Perry, RS; Sutherland, ML; Grigera, SA; Borzi, RA; Gegenwart, P; Gibbs, AS; Mackenzie, AP; - view fewer (2010) Quantum oscillations near the metamagnetic transition in Sr3Ru2O7. PHYSICAL REVIEW B , 81 (23) 10.1103/PhysRevB.81.235103.

Mitrossilis, D; Fouchard, J; Pereira, D; Postic, F; Richert, A; Saint-Jean, M; Asnacios, A; (2010) Real-time single-cell response to stiffness. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA , 107 (38) pp. 16518-16523. 10.1073/pnas.1007940107.

Mittal, R; Heid, R; Bosak, A; Forrest, TR; Chaplot, SL; Lamago, D; Reznik, D; ... Pintschovius, L; + view all Mittal, R; Heid, R; Bosak, A; Forrest, TR; Chaplot, SL; Lamago, D; Reznik, D; Bohnen, KP; Su, Y; Kumar, N; Dhar, SK; Thamizhavel, A; Ruegg, C; Krisch, M; McMorrow, DF; Brueckel, T; Pintschovius, L; - view fewer (2010) Pressure dependence of phonon modes across the tetragonal to collapsed-tetragonal phase transition in CaFe2As2. PHYS REV B , 81 (14) , Article 144502. 10.1103/PhysRevB.81.144502.

Mohammady, MH; Morley, GW; Monteiro, TS; (2010) Bismuth Qubits in Silicon: The Role of EPR Cancellation Resonances. PHYS REV LETT , 105 (6) , Article 067602. 10.1103/PhysRevLett.105.067602.

Morley, GW; Warner, M; Stoneham, AM; Greenland, PT; van Tol, J; Kay, CWM; Aeppli, G; (2010) The initialization and manipulation of quantum information stored in silicon by bismuth dopants. NAT MATER , 9 (9) 725 - 729. 10.1038/NMAT2828.

Morley, GW; Warner, M; Stoneham, AM; Greenland, PT; van Tol, J; Kay, CWM; Aeppli, G; (2010) The initialization and manipulation of quantum information stored in silicon by bismuth dopants. Nat Mater , 9 (9) pp. 725-729. 10.1038/nmat2828.

N

Newton, MC; Harder, R; Huang, XJ; Xiong, G; Robinson, IK; (2010) Phase retrieval of diffraction from highly strained crystals. PHYS REV B , 82 (16) , Article 165436. 10.1103/PhysRevB.82.165436.

Newton, MC; Leake, SJ; Harder, R; Robinson, IK; (2010) Three-dimensional imaging of strain in a single ZnO nanorod. NAT MATER , 9 (2) 120 - 124. 10.1038/NMAT2607.

O

Ortega, D; Vélez-Fort, E; García, DA; García, R; Litrán, R; Barrera-Solano, C; Ramírez-del-Solar, M; Ortega, D; Vélez-Fort, E; García, DA; García, R; Litrán, R; Barrera-Solano, C; Ramírez-del-Solar, M; Domínguez, M; - view fewer (2010) Size and surface effects in the magnetic properties of maghemite and magnetite coated nanoparticles. Philos Trans A Math Phys Eng Sci , 368 (1927) pp. 4407-4418. 10.1098/rsta.2010.0172.

P

Panfilova, M; Pawlis, A; Shchekin, A; Lemeshko, S; Lischka, K; (2010) Investigations of strain in ZnMgSe/ZnSe microdisks by means of the micro-Raman imaging. In: Toropov, A and Ivanov, S, (eds.) (Proceedings) 14th International Conference on II-VI Compounds. (pp. pp. 1675-1677). WILEY-V C H VERLAG GMBH

Panfilova, M; de Vasconcellos, SM; Pawlis, A; Lischka, K; Zrenner, A; (2010) Resonant photocurrent-spectroscopy of individual CdSe quantum dots. In: (Proceedings) 18th International Conference on the Electronic Properties of Two-Dimensional Systems ( EP2DS18)/14th International Conference on Modulated Semiconductor Structures ( MSS14). (pp. pp. 2521-2523). ELSEVIER SCIENCE BV

Pauwels, E; Declerck, R; Verstraelen, T; De Sterck, B; Kay, CWM; Van Speybroeck, V; Waroquier, M; (2010) Influence of Protein Environment on the Electron Paramagnetic Resonance Properties of Flavoprotein Radicals: A QM/MM Study. J PHYS CHEM B , 114 (49) 16655 - 16665. 10.1021/jp109763t.

Picone, R; Ren, XY; Ivanovitch, KD; Clarke, JDW; McKendry, RA; Baum, B; (2010) A Polarised Population of Dynamic Microtubules Mediates Homeostatic Length Control in Animal Cells. PLOS BIOL , 8 (11) , Article e1000542. 10.1371/journal.pbio.1000542.

Pieper, O; Guidi, T; Carretta, S; van Slageren, J; El Hallak, F; Lake, B; Santini, P; ... Tejada, J; + view all Pieper, O; Guidi, T; Carretta, S; van Slageren, J; El Hallak, F; Lake, B; Santini, P; Amoretti, G; Mutka, H; Koza, M; Russina, M; Schnegg, A; Milios, CJ; Brechin, EK; Julia, A; Tejada, J; - view fewer (2010) Inelastic neutron scattering and frequency-domain magnetic resonance studies of S=4 and S=12 Mn-6 single-molecule magnets. PHYS REV B , 81 (17) , Article 174420. 10.1103/PhysRevB.81.174420.

Pollmann, F; Mukerjee, S; Green, AG; Moore, JE; (2010) Dynamics after a sweep through a quantum critical point. Physical Review E , 81 (2) , Article 020101. 10.1103/PhysRevE.81.020101.

R

Radny, MW; Schofield SR, ; Smith, PV; Shah, GA; Curson, NJ; (2010) Electronic Effects of Single H Atoms on Ge(001) Revisited. Journal of Chemical Physics , 133 014703-. 10.1063/1.3456736.

Ramsay, AJ; Godden, TM; Boyle, SJ; Gauger, EM; Nazir, A; Lovett, BW; Fox, AM; Ramsay, AJ; Godden, TM; Boyle, SJ; Gauger, EM; Nazir, A; Lovett, BW; Fox, AM; Skolnick, MS; - view fewer (2010) Phonon-Induced Rabi-Frequency Renormalization of Optically Driven Single InGaAs/GaAs Quantum Dots. PHYS REV LETT , 105 (17) , Article 177402. 10.1103/PhysRevLett.105.177402.

Ramsay, AJ; Gopal, A; Gauger, EM; Nazir, A; Lovett, BW; Fox, AM; Skolnick, MS; (2010) Damping of Exciton Rabi Rotations by Acoustic Phonons in Optically Excited InGaAs/GaAs Quantum Dots. PHYS REV LETT , 104 (1) , Article 017402. 10.1103/PhysRevLett.104.017402.

Robinson, I; Gruebel, G; Mochrie, S; (2010) X-ray beams with high coherence. NEW JOURNAL OF PHYSICS , 12 (ARTN 035) 10.1088/1367-2630/12/3/035002.

Romans, EJ; Osley, EJ; Young, L; Warburton, PA; Li, W; (2010) Three-dimensional nanoscale superconducting quantum interference device pickup loops. APPL PHYS LETT , 97 (22) , Article 222506. 10.1063/1.3521262.

Rost, AW; Berridge, AM; Perry, RS; Mercure, JF; Grigera, SA; Mackenzie, AP; (2010) Power law specific heat divergence in Sr3Ru2O7. In: PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS. (pp. 513 - 515). WILEY-V C H VERLAG GMBH

Ruegg, C; (2010) FRUSTRATED MAGNETISM A pinwheel without wind. NAT PHYS , 6 (11) 837 - 838. 10.1038/nphys1844.

S

Schaffry, M; Filidou, V; Karlen, SD; Gauger, EM; Benjamin, SC; Anderson, HL; Ardavan, A; ... Lovett, BW; + view all Schaffry, M; Filidou, V; Karlen, SD; Gauger, EM; Benjamin, SC; Anderson, HL; Ardavan, A; Briggs, GAD; Maeda, K; Henbest, KB; Giustino, F; Morton, JJL; Lovett, BW; - view fewer (2010) Entangling remote nuclear spins linked by a chromophore. Phys. Rev. Lett. , 104 (20) , Article 200501. 10.1103/PhysRevLett.104.200501.

Schaffry, M; Gauger, EM; Morton, JJL; Fitzsimons, J; Benjamin, SC; Lovett, BW; (2010) Quantum metrology with molecular ensembles. PHYSICAL REVIEW A , 82 (4) 10.1103/PhysRevA.82.042114.

Scherwitzl, R; Zubko, P; Lezama, IG; Ono, S; Morpurgo, AF; Catalan, G; Triscone, J-M; (2010) Electric-Field Control of the Metal-Insulator Transition in Ultrathin NdNiO3 Films. ADVANCED MATERIALS , 22 (48) pp. 5517-5520. 10.1002/adma.201003241.

Schuster, DI; Sears, AP; Ginossar, E; DiCarlo, L; Frunzio, L; Morton, JJL; Wu, H; ... Schoelkopf, RJ; + view all Schuster, DI; Sears, AP; Ginossar, E; DiCarlo, L; Frunzio, L; Morton, JJL; Wu, H; Briggs, GAD; Buckley, BB; Awschalom, DD; Schoelkopf, RJ; - view fewer (2010) High-Cooperativity Coupling of Electron-Spin Ensembles to Superconducting Cavities. PHYSICAL REVIEW LETTERS , 105 (14) 10.1103/PhysRevLett.105.140501.

Sena, A.M.P.; (2010) Density functional theory studies of surface interactions and electron transfer in porphyrins and other molecules. Doctoral thesis , UCL (University College London).

Shah, GA; Radny, MW; Smith, PV; Schofield, SR; Curson, NJ; (2010) Electronic effects of single H atoms on Ge(001) revisited. J CHEM PHYS , 133 (1) , Article 014703. 10.1063/1.3456736.

Shen, C; Trypiniotis, T; Lee, KY; Holmes, SN; Mansell, R; Husain, M; Shah, V; ... Barnes, CHW; + view all Shen, C; Trypiniotis, T; Lee, KY; Holmes, SN; Mansell, R; Husain, M; Shah, V; Li, XV; Kurebayashi, H; Farrer, I; de Groot, CH; Leadley, DR; Bell, G; Parker, EHC; Whall, T; Ritchie, DA; Barnes, CHW; - view fewer (2010) Spin transport in germanium at room temperature. APPLIED PHYSICS LETTERS , 97 (16) 10.1063/1.3505337.

Shi, XW; Xiong, G; Huang, XJ; Harder, R; Robinson, I; (2010) Structural inhomogeneity in Silicon-On-Insulator probed with coherent X-ray diffraction. Z KRISTALLOGR , 225 (12) 610 - 615. 10.1524/zkri.2010.1354.

Silevitch, DM; Aeppli, G; Rosenbaum, TF; (2010) Switchable hardening of a ferromagnet at fixed temperature. P NATL ACAD SCI USA , 107 (7) 2797 - 2800. 10.1073/pnas.0910575107.

Simmons, S; Jones, JA; Karlen, SD; Ardavan, A; Morton, JJL; (2010) Magnetic field sensors using 13-spin cat states. PHYSICAL REVIEW A , 82 (2) 10.1103/PhysRevA.82.022330.

Srinivas, G; Lovell, A; Skipper, NT; Bennington, SM; Kurban, Z; Smith, RI; (2010) Ammonia absorption in calcium graphite intercalation compound: in situ neutron diffraction, Raman spectroscopy and magnetization. Physical Chemistry Chemical Physics , 12 (23) 6253 - 6259. 10.1039/b917992e.

Stingl, C; Perry, RS; Maeno, Y; Gegenwart, P; (2010) Anisotropy of the low-temperature magnetostriction of Sr3Ru2O7. PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS , 247 (3) pp. 574-576. 10.1002/pssb.200983034.

Stoneham, AM; (2010) Nuclear fission: the interplay of science and technology. PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY A-MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCES , 368 (1923) pp. 3295-3313. 10.1098/rsta.2010.0061.

Stoneham, AM; (2010) The strange magnetism of oxides and carbons. Journal of Physics: Condensed Matter , 22 (7) , Article 074211. 10.1088/0953-8984/22/7/074211.

Stoneham, M; (2010) ChemInform Abstract: The Strange Magnetism of Oxides and Carbons. ChemInform , 41 (41) no-no. 10.1002/chin.201041223.

Sytcheva, A; Chiatti, O; Wosnitza, J; Zherlitsyn, S; Zvyagin, AA; Coldea, R; Tylczynski, Z; (2010) Magnetoacoustics of the Low-Dimensional Quantum Antiferromagnet Cs2CuCl4 with Spin Frustration. In: (Proceedings) 9th International Conference on Research in High Magnetic Fields (RHMF 2009). (pp. pp. 109-113). SPRINGER/PLENUM PUBLISHERS

T

Truflandier, LA; Autschbach, J; (2010) Probing the Solvent Shell with Pt-195 Chemical Shifts: Density Functional Theory Molecular Dynamics Study of Pt-II and Pt-IV Anionic Complexes in Aqueous Solution. J AM CHEM SOC , 132 (10) 3472 - 3483. 10.1021/ja9096863.

Truflandier, LA; Boucher, F; Payen, C; Hajja, R; Millot, Y; Bonhomme, C; Steunou, N; (2010) DFT-NMR Investigation and V-51 3QMAS Experiments for Probing Surface OH Ligands and the Hydrogen-Bond Network in a Polyoxovanadate Cluster: The Case of Cs-4[H2V10O28]center dot 4H(2)O. J AM CHEM SOC , 132 (13) 4653 - 4668. 10.1021/ja908973y.

Tuddenham, FE; Hedgeland, H; Jardine, AP; Lechner, BAJ; Hinch, BJ; Allison, W; (2010) Lineshapes in quasi-elastic scattering from species hopping between non-equivalent surface sites. Surface Science , 604 (17-18) pp. 1459-1475. 10.1016/j.susc.2010.05.009.

U

Upton, MH; Forrest, TR; Walters, AC; Howard, CA; Ellerby, M; Said, AH; McMorrow, DF; (2010) Phonons and superconductivity in YbC6 and related compounds. PHYS REV B , 82 (13) , Article 134515. 10.1103/PhysRevB.82.134515.

W

Wang, H; Mauthoor, S; Din, S; Gardener, JA; Chang, R; Warner, M; Aeppli, G; ... Heutz, S; + view all Wang, H; Mauthoor, S; Din, S; Gardener, JA; Chang, R; Warner, M; Aeppli, G; McComb, DW; Ryan, MP; Wu, W; Fisher, AJ; Stoneham, M; Heutz, S; - view fewer (2010) Ultra long Copper Phthalocyanine Nanowires with New Crystal Structure and Broad Optical Absorption. ACS NANO , 4 (7) 3921 - 3926. 10.1021/nn100782w.

Wang, H; Mauthoor, S; Din, S; Gardener, JA; Chang, R; Warner, M; Aeppli, G; ... Heutz, S; + view all Wang, H; Mauthoor, S; Din, S; Gardener, JA; Chang, R; Warner, M; Aeppli, G; McComb, DW; Ryan, MP; Wu, W; Fisher, AJ; Stoneham, M; Heutz, S; - view fewer (2010) Ultralong copper phthalocyanine nanowires with new crystal structure and broad optical absorption. ACS Nano , 4 (7) pp. 3921-3926. 10.1021/nn100782w.

Wang, S; Pomjakushina, E; Shiroka, T; Deng, G; Nikseresht, N; Ruegg, C; Ronnow, HM; Wang, S; Pomjakushina, E; Shiroka, T; Deng, G; Nikseresht, N; Ruegg, C; Ronnow, HM; Conder, K; - view fewer (2010) Crystal growth and characterization of the dilutable frustrated spin-ladder compound Bi(Cu1-xZnx)(2)PO6. J CRYST GROWTH , 313 (1) 51 - 55. 10.1016/j.jcrysgro.2010.09.074.

Warburton, PA; (2010) Intrinsic Josephson Junctions in the Moderate Damping Regime. In: (Proceedings) 7th International Symposium on Intrinsic Josephson Effect.

Warburton, PA; (2010) Intrinsic Josephson Junctions: Bridging the Gap Between Underdamped and Overdamped Dynamics. In: (Proceedings) International Conference on Superconductivity and Magnetism.

Warschkow, O; Marks, NA; Schofield, SR; Radny, MW; Smith, PV; McKenzie, DR; (2010) Comment on "Transformation of C-type defects on Si(100)-2 x 1 surface at room temperature STM/STS study [Surf, Sci. 602 (2008) 2835]". SURF SCI , 604 (2) 235 - 236. 10.1016/j.susc.2009.10.028.

Watari, M; Ndieyira, JW; McKendry, RA; (2010) Chemically Programmed Nanomechanical Motion of Multiple Cantilever Arrays. LANGMUIR , 26 (7) 4623 - 4626. 10.1021/la100448v.

Wilson, K; Das, M; Wahl, KJ; Colton, RJ; Hickman, J; (2010) Measurement of Contractile Stress Generated by Cultured Rat Muscle on Silicon Cantilevers for Toxin Detection and Muscle Performance Enhancement. PLOS ONE , 5 (6) , Article e11042. 10.1371/journal.pone.0011042.

Z

Zaka, M; Ito, Y; Wang, H; Yan, W; Robertson, A; Wu, YA; Ruemmeli, MH; ... Warner, JH; + view all Zaka, M; Ito, Y; Wang, H; Yan, W; Robertson, A; Wu, YA; Ruemmeli, MH; Staunton, D; Hashimoto, T; Morton, JJL; Ardavan, A; Briggs, GAD; Warner, JH; - view fewer (2010) Electron Paramagnetic Resonance Investigation of Purified Catalyst-free Single-Walled Carbon Nanotubes. ACS NANO , 4 (12) pp. 7708-7716. 10.1021/nn102602a.

Zaka, M; Warner, JH; Ito, Y; Morton, JJL; Ruemmeli, MH; Pichler, T; Ardavan, A; ... Briggs, GAD; + view all Zaka, M; Warner, JH; Ito, Y; Morton, JJL; Ruemmeli, MH; Pichler, T; Ardavan, A; Shinohara, H; Briggs, GAD; - view fewer (2010) Exchange interactions of spin-active metallofullerenes in solid-state carbon networks. PHYSICAL REVIEW B , 81 (7) 10.1103/PhysRevB.81.075424.

Zherlitsyn, S; Chiatti, O; Sytcheva, A; Wosnitza, J; Bhattacharjee, S; Moessner, R; Zhitomirsky, M; ... Loidl, A; + view all Zherlitsyn, S; Chiatti, O; Sytcheva, A; Wosnitza, J; Bhattacharjee, S; Moessner, R; Zhitomirsky, M; Lemmens, P; Tsurkan, V; Loidl, A; - view fewer (2010) Lattice Instabilities in the Frustrated Magnet CdCr2O4: An Ultrasonic Study. In: (Proceedings) 9th International Conference on Research in High Magnetic Fields (RHMF 2009). (pp. pp. 134-137). SPRINGER/PLENUM PUBLISHERS

Zubko, P; Stucki, N; Lichtensteiger, C; Triscone, J-M; (2010) X-Ray Diffraction Studies of 180 degrees Ferroelectric Domains in PbTiO3/SrTiO3 Superlattices under an Applied Electric Field. PHYSICAL REVIEW LETTERS , 104 (18) 10.1103/PhysRevLett.104.187601.