Browse by UCL people
Group by: Type | Date
Number of items: 47.
Article
Bull, CL;
Fortes, AD;
Ridley, CJ;
Wood, IG;
Dobson, DP;
Funnell, NP;
Gibbs, AS;
... Knight, KS; + view all
(2017)
High-resolution neutron-diffraction measurements to 8 kbar.
High Pressure Research
, 37
(4)
pp. 486-494.
10.1080/08957959.2017.1386183.
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Crichton, WA;
Guignard, J;
Bailey, E;
Dobson, DP;
Hunt, SA;
Thomson, AR;
(2016)
High-temperature equation of state of vanadium.
High Pressure Research
, 36
(1)
pp. 16-22.
10.1080/08957959.2015.1123256.
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Dobson, D;
(2021)
The Tungsten Carbide-Carbon Monoxide-Tungsten buffer and its use for synthesising iron-bearing silicates in muffle furnaces.
Review of Scientific Instruments
, 92
, Article 055101. 10.1063/5.0044780.
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Dobson, David P;
Martinescu, Viorela;
(2024)
Magma mixing between rhyolite and pseudotachylite as the origin for the Glencoe ‘Flinty Crush Rock’.
Scottish Journal of Geology
10.1144/sjg2023-016.
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Dobson, D;
(2016)
Geophysics: Earth's core problem.
Nature
, 534
(7605)
p. 45.
10.1038/534045a.
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Dobson, D;
Hunt, S;
Ahmed, J;
Lord, O;
Wann, E;
Santangeli, J;
Wood, IG;
... Mezouar, M; + view all
(2016)
The phase diagram of NiSi under the conditions of small planetary interiors.
Physics of the Earth and Planetary Interiors
, 261
pp. 196-206.
10.1016/j.pepi.2016.10.005.
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Dobson, D;
Lindsay-Scott, A;
Hunt, S;
Bailey, E;
Wood, I;
Brodholt, J;
Vocadlo, L;
(2019)
Anisotropic diffusion creep in postperovskite provides a new model for deformation at the core−mantle boundary.
Proceedings of the National Academy of Sciences of USA
, 116
(52)
pp. 26389-26393.
10.1073/pnas.1914826116.
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Dobson, D;
Montheil, L;
Paine, J;
Thomson, A;
(2021)
Peritectic melting of mica in fault-related pseudotachylite melts and potassium mass balance as an indicator of fluid-absent source conditions.
Geochemistry, Geophysics, Geosystems
, 22
(2)
, Article e2020GC009217. 10.1029/2020GC009217.
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Dobson, DP;
(2018)
The anisotropic signal of topotaxy during phase transitions in D″.
Physics of the Earth and Planetary Interiors
, 276
pp. 159-171.
10.1016/j.pepi.2017.05.013.
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Dobson, DP;
Brodholt, JP;
(2000)
The electrical conductivity and thermal profile of the Earth's mid-mantle.
Geophysical Research Letters
, 27
(15)
2325 - 2328.
10.1029/1999GL008409.
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Dobson, DP;
Brodholt, JP;
(1999)
The pressure medium as a solid-state oxygen buffer.
Geophysical Research Letters
, 26
(2)
259 - 262.
10.1029/1998GL900290.
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Dobson, DP;
Crichton, WA;
Bouvier, P;
Vocadlo, L;
Wood, IG;
(2003)
The equation of state of CsCl-structured FeSi to 40 GPa: Implications for silicon in the Earth's core.
Geophysical Research Letters
, 30
(1)
, Article 1014. 10.1029/2002GL016228.
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Dobson, DP;
Mariani, E;
(2014)
The kinetics of the reaction of majorite plus ferropericlase to ringwoodite: Implications for mantle upwellings crossing the 660 km discontinuity.
EARTH AND PLANETARY SCIENCE LETTERS
, 408
pp. 110-118.
10.1016/j.epsl.2014.10.009.
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Dobson, DP;
Thomas, R;
Mitchell, T;
(2018)
Diffusion Profiles Around Quartz Clasts as Indicators of the Thermal History of Pseudotachylytes.
Geochemistry, Geophysics, Geosystems
, 19
(11)
pp. 4329-4341.
10.1029/2018GC007660.
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Dobson, DP;
Wiedenbeck, M;
(2002)
Fe- and C-self-diffusion in liquid Fe(3)c to 15 GPa.
Geophysical Research Letters
, 29
(21)
, Article 2006. 10.1029/2002GL015536.
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Edgington, AL;
Vočadlo, L;
Stixrude, L;
Wood, IG;
Dobson, DP;
Holmström, E;
(2019)
The top-down crystallisation of Mercury's core.
Earth and Planetary Science Letters
, 528
, Article 115838. 10.1016/j.epsl.2019.115838.
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Ezad, I;
Einsle, J;
Dobson, D;
Hunt, S;
Thomson, A;
Brodholt, J;
(2021)
Improving grain size analysis using computer vision techniques and implications for grain growth kinetics.
American Mineralogist
, 107
(2)
pp. 262-273.
10.2138/am-2021-7797.
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Ezad, Isra S;
Dobson, David P;
Thomson, Andrew R;
Jennings, Eleanor S;
Hunt, Simon A;
Brodholt, John P;
(2022)
Kelyphite Textures Experimentally Reproduced through Garnet Breakdown in the Presence of a Melt Phase.
Journal of Petrology
, 63
(11)
, Article egac110. 10.1093/petrology/egac110.
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Gay, JP;
Miyagi, L;
Couper, S;
Langrand, C;
Dobson, DP;
Liermann, H-P;
Merkel, S;
(2021)
Deformation of NaCoF3 perovskite and post-perovskite up to 30 GPa and 1013 K: implications for plastic deformation and transformation mechanism.
European Journal of Mineralogy
, 33
(5)
pp. 591-603.
10.5194/ejm-33-591-2021.
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Howell, D;
Piazolo, S;
Dobson, DP;
Wood, IG;
Jones, AP;
Walte, N;
Frost, DJ;
... Griffin, WL; + view all
(2012)
Quantitative characterization of plastic deformation of single diamond crystals: A high pressure high temperature (HPHT) experimental deformation study combined with electron backscatter diffraction (EBSD).
Diamond and Related Materials
, 30
20 - 30.
10.1016/j.diamond.2012.09.003.
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Hunt, S;
Whitaker, ML;
Bailey, E;
Mariani, E;
Stan, CV;
Dobson, D;
(2019)
An experimental investigation of the relative strength of the silica polymorphs quartz, coesite and stishovite.
Geochemistry, Geophysics, Geosystems
, 20
(4)
pp. 1975-1989.
10.1029/2018GC007842.
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Hunt, SA;
Davies, DR;
Walker, AM;
McCormack, RJ;
Wills, AS;
Dobson, DP;
Li, L;
(2012)
On the increase in thermal diffusivity caused by the perovskite to post-perovskite phase transition and its implications for mantle dynamics.
Earth and Planetary Science Letters
, 319-32
96 - 103.
10.1016/j.epsl.2011.12.009.
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Hunt, SA;
Dobson, DP;
(2017)
Note: Modified anvil design for improved reliability in DT-Cup experiments.
Review of Scientific Instruments
, 88
(12)
, Article 126106. 10.1063/1.5005885.
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Hunt, SA;
Santangeli, JR;
Dobson, DP;
Wood, IG;
(2021)
Phase diagram and thermal expansion of orthopyroxene-, clinopyroxene-, and ilmenite-structured MgGeO<inf>3</inf>.
American Mineralogist
, 106
(7)
pp. 1113-1127.
10.2138/am-2021-7685CCBY.
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Hunt, SA;
Wann, ETH;
Dobson, DP;
Vočadlo, L;
Wood, IG;
(2017)
The thermal expansion of (Fe1-y Ni y )Si.
Journal of Physics: Condensed Matter
, 29
(33)
, Article 335701. 10.1088/1361-648X/aa797d.
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Hunt, SA;
Weidner, DJ;
McCormack, RJ;
Whitaker, ML;
Bailey, E;
Li, L;
Vaughan, MT;
(2014)
Deformation T-Cup: A new multi-anvil apparatus for controlled strain-rate deformation experiments at pressures above 18 GPa.
Rev Sci Instrum
, 85
(8)
, Article 085103. 10.1063/1.4891338.
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Jakymiw, C;
Vočadlo, L;
Dobson, DP;
Bailey, E;
Thomson, AR;
Brodholt, JP;
Wood, IG;
(2017)
The phase diagrams of KCaF3 and NaMgF3 by ab initio simulations.
Physics and Chemistry of Minerals
10.1007/s00269-017-0920-3.
(In press).
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Jones, AP;
McMillan, PF;
Salzmann, CG;
Alvaro, M;
Nestola, F;
Prencipe, M;
Dobson, D;
... Moore, M; + view all
(2016)
Structural characterization of natural diamond shocked to 60 GPa; implications for Earth and planetary systems.
Lithos
, 265
pp. 214-221.
10.1016/j.lithos.2016.09.023.
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Lessing, Stephan;
Dobson, David P;
Rost, Sebastian;
Cobden, Laura;
Thomas, Christine;
(2022)
Kinetic effects on the 660-km-phase transition in mantle upstreams and seismological implications.
Geophysical Journal International
, 231
(2)
pp. 877-893.
10.1093/gji/ggac196.
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Lord, OT;
Thomson, AR;
Wann, ETH;
Wood, IG;
Dobson, DP;
Vocadlo, L;
(2015)
The equation of state of the Pmmn phase of NiSi.
Journal of Applied Crystallography
, 48
pp. 1914-1920.
10.1107/S1600576715020087.
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McMillan, P;
Santamaria-Perez, D;
Thomson, A;
Segura, A;
Pellicer-Torres, J;
Manjon, J;
Cora, F;
... Dobson, D; + view all
(2016)
Metastable structural transformations and pressure-induced amorphization in natural (Mg,Fe)2SiO4 olivine under static compression: A Raman spectroscopic study.
American Mineralogist
, 101
(7)
pp. 1642-1650.
10.2138/am-2016-5389.
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Montheil, L;
Toy, V;
Scott, J;
Mitchell, T;
Dobson, D;
(2020)
Impact of Coseismic Frictional Melting on Particle Size, Shape Distribution and Chemistry of Experimentally-Generated Pseudotachylite.
Frontiers in Earth Science
, 8
, Article 596116. 10.3389/feart.2020.596116.
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Ostanin, S;
Alfe, D;
Dobson, D;
Vocadlo, L;
Brodholt, JP;
Price, GD;
(2006)
Ab initio study of the phase separation of argon in molten iron at high pressures.
Geophysical Research Letters
, 33
(6)
, Article L06303. 10.1029/2005GL024276.
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Pamato, MG;
Wood, IG;
Dobson, DP;
Hunt, SA;
Vocadlo, L;
(2018)
The thermal expansion of gold: point defect concentrations and pre-melting in a face-centred cubic metal.
Journal of Applied Crystallography
, 51
(2)
pp. 470-480.
10.1107/S1600576718002248.
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Stackhouse, S;
Brodholt, JP;
Dobson, DP;
Price, GD;
(2006)
Electronic spin transitions and the seismic properties of ferrous iron-bearing MgSiO3 post-perovskite.
Geophysical Research Letters
, 33
(12)
, Article L12S03. 10.1029/2005GL025589.
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Taniguchi, T;
Dobson, D;
Jones, AP;
Rabe, R;
Milledge, HJ;
(1996)
Synthesis of cubic diamond in the graphite-magnesium carbonate and graphite-K2Mg(CO3)(2) systems at high pressure of 9-10 GPa region.
Journal of Materials Research
, 11
(10)
2622 - 2632.
10.1557/JMR.1996.0330.
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Thomson, A;
Piltz, R;
Crichton, W;
Cerantola, V;
Ezad, I;
Dobson, D;
Wood, I;
(2021)
Incorporation of tetrahedral ferric iron in hydrous ringwoodite.
American Mineralogist
, 106
(6)
pp. 900-908.
10.2138/am-2021-7539.
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Thomson, A;
Crichton, W;
Brodholt, J;
Wood, I;
Siersch, N;
Muir, J;
Dobson, D;
(2019)
Seismic velocities of CaSiO3 perovskite can explain LLSVPs in Earth’s lower mantle.
[Letter].
Nature
, 572
pp. 643-647.
10.1038/s41586-019-1483-x.
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Van Driel, J;
Schusteritsch, G;
Brodholt, J;
Dobson, D;
Pickard, C;
(2020)
The discontinuous effect of pressure on twin boundary strength in MgO.
Physics and Chemistry of Minerals
, 47
, Article 11. 10.1007/s00269-019-01079-1.
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Walte, NP;
Heidelbach, F;
Miyajima, N;
Frost, DJ;
Rubie, DC;
Dobson, DP;
(2009)
Transformation textures in post-perovskite: Understanding mantle flow in the D '' layer of the Earth.
Geophysical Research Letters
, 36
, Article L04302. 10.1029/2008GL036840.
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Wang, W;
Fortes, AD;
Dobson, DP;
Howard, CM;
Bowles, J;
Hughes, NJ;
Wood, IG;
(2018)
Investigation of high-pressure planetary ices by cryo-recovery. II. High-pressure apparatus, examples and a new high-pressure phase of MgSO₄·5H₂O.
Journal of Applied Crystallography
, 51
(3)
pp. 692-705.
10.1107/S1600576718003977.
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Wood, IG;
Fortes, AD;
Dobson, DP;
Wang, W;
Pajdzik, L;
Cosier, J;
(2018)
Investigation of high-pressure planetary ices by cryo-recovery. I. An apparatus for X-ray powder diffraction from 40 to 315 K, allowing 'cold loading' of samples.
Journal of Applied Crystallography
, 51
pp. 685-691.
10.1107/S1600576718003965.
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Wood, IG;
Vocadlo, L;
Dobson, DP;
Price, GD;
Fortes, AD;
Cooper, FJ;
Neale, JW;
... McCammon, CA; + view all
(2008)
Thermoelastic properties of magnesiowustite, (Mg1-xFex)O: determination of the Anderson-Gruneisen parameter by time-of-flight neutron powder diffraction at simultaneous high pressures and temperatures.
Journal of Applied Crystallography
, 41
(5)
pp. 886-896.
10.1107/S0021889808025417.
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Xu, Fang;
Yamazaki, D;
Hunt, simon;
Tsujino, N;
Higo, Y;
Tange, Y;
Ohara, K;
(2022)
Deformation of post-spinel under the lower mantle conditions.
Journal of Geophysical Research: Solid Earth
, Article e2021JB023586. doi.org/10.1029/2021JB023586.
(In press).
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Proceedings paper
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Fortes, AD;
Wood, IG;
Dobson, DP;
(2008)
Rationale and preliminary design of an icy mineralogy package for deployment at the surface of Titan.
In:
Lunar and Planetary Science XXXIX: papers presented at the Thirty-ninth Lunar and Planetary Science Conference: March 10-14, 2008.
Lunar and Planetary Institute: Houston, US.
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Grindrod, PM;
Fortes, AD;
Wood, IG;
Sammonds, PR;
Dobson, DP;
Middleton, CA;
Vocadlo, L;
(2008)
Synthesis and strength of MgSO₄·11H₂O (meridianiite): preliminary results from uniaxial and triaxial deformation tests.
In:
(Proceedings) Lunar and Planetary Science XXXIX: papers presented at the Thirty-ninth Lunar and Planetary Science Conference: March 10-14, 2008.
(pp. 1199-1 - 1199-2).
Lunar and Planetary Institute: Houston, US.
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Poster
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Grindrod, PM;
Fortes, AD;
Wood, IG;
Sammonds, PR;
Dobson, DP;
Middleton, CA;
Vocadlo, L;
(2008)
Experimental rheology of planetary ices: triaxial deformation tests on MgSO₄·11H₂O (meridianiite).
Presented at: The Science of Solar System Ices (ScSSI): A Cross-Disciplinary Workshop 2008, Oxnard, California.
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