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Showing 13 to 24 of 150 entries
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Bone mineral and lean tissue loss after long duration space flight.

Journal of musculoskeletal & neuronal interactions

LeBlanc A, Schneider V, Shackelford L, West S, Oganov V, Bakulin A, Voronin L.
PMID: 15758512
J Musculoskelet Neuronal Interact. 2000 Dec;1(2):157-60.

The loss of bone and muscle is a major concern for long duration space flight. In December of 1989, we established a collaboration with Russian colleagues to determine the bone and lean tissue changes in cosmonauts before and after...

Superconductivity of lithium-doped hydrogen under high pressure.

Acta crystallographica. Section C, Structural chemistry

Xie Y, Li Q, Oganov AR, Wang H.
PMID: 24508954
Acta Crystallogr C Struct Chem. 2014 Feb;70:104-11. doi: 10.1107/S2053229613028337. Epub 2014 Jan 31.

The high-pressure lattice dynamics and superconductivity of newly proposed lithium hydrides (LiH2, LiH6 and LiH8) have been extensively studied using density functional theory. The application of the Allen-Dynes modified McMillan equation and electron-phonon coupling calculations show that LiH6 and...

Superhard monoclinic polymorph of carbon.

Physical review letters

Li Q, Ma Y, Oganov AR, Wang H, Wang H, Xu Y, Cui T, Mao HK, Zou G.
PMID: 19518796
Phys Rev Lett. 2009 May 01;102(17):175506. doi: 10.1103/PhysRevLett.102.175506. Epub 2009 Apr 29.

We report a novel phase of carbon possessing a monoclinic C2/m structure (8 atoms/cell) identified using an ab initio evolutionary structural search. This polymorph, which we call M-carbon, is related to the (2x1) reconstruction of the (111) surface of...

Crystal structure prediction and its application in Earth and materials sciences.

Topics in current chemistry

Zhu Q, Oganov AR, Zhou XF.
PMID: 24531753
Top Curr Chem. 2014;345:223-56. doi: 10.1007/128_2013_508.

Evolutionary algorithms, based on physically motivated forms of variation operators and local optimization, proved to be a powerful approach in determining the crystal structure of materials. This review summarized the recent progress of the USPEX method as a tool...

Crystal fingerprint space--a novel paradigm for studying crystal-structure sets.

Acta crystallographica. Section A, Foundations of crystallography

Valle M, Oganov AR.
PMID: 20720316
Acta Crystallogr A. 2010 Sep;66:507-17. doi: 10.1107/S0108767310026395. Epub 2010 Aug 12.

The initial aim of the crystal fingerprint project was to solve a very specific problem: to classify and remove duplicate crystal structures from the results generated by the evolutionary crystal-structure predictor USPEX. These duplications decrease the genetic diversity of...

Rational design of all organic polymer dielectrics.

Nature communications

Sharma V, Wang C, Lorenzini RG, Ma R, Zhu Q, Sinkovits DW, Pilania G, Oganov AR, Kumar S, Sotzing GA, Boggs SA, Ramprasad R.
PMID: 25229753
Nat Commun. 2014 Sep 17;5:4845. doi: 10.1038/ncomms5845.

To date, trial and error strategies guided by intuition have dominated the identification of materials suitable for a specific application. We are entering a data-rich, modelling-driven era where such Edisonian approaches are gradually being replaced by rational strategies, which...

Stable reconstruction of the (110) surface and its role in pseudocapacitance of rutile-like RuO.

Scientific reports

Zakaryan HA, Kvashnin AG, Oganov AR.
PMID: 28871095
Sci Rep. 2017 Sep 04;7(1):10357. doi: 10.1038/s41598-017-10331-z.

Surfaces of rutile-like RuO

Energy-free machine learning force field for aluminum.

Scientific reports

Kruglov I, Sergeev O, Yanilkin A, Oganov AR.
PMID: 28819297
Sci Rep. 2017 Aug 17;7(1):8512. doi: 10.1038/s41598-017-08455-3.

We used the machine learning technique of Li et al. (PRL 114, 2015) for molecular dynamics simulations. Atomic configurations were described by feature matrix based on internal vectors, and linear regression was used as a learning technique. We implemented...

Applications of crystal structure prediction - organic molecular structures: general discussion.

Faraday discussions

Adjiman CS, Brandenburg JG, Braun DE, Cole J, Collins C, Cooper AI, Cruz-Cabeza AJ, Day GM, Dudek M, Hare A, Iuzzolino L, McKay D, Mitchell JBO, Mohamed S, Neelamraju S, Neumann M, Nilsson Lill S, Nyman J, Oganov AR, Price SL, Pulido A, Reutzel-Edens S, Rietveld I, Ruggiero MT, Schön JC, Tsuzuki S, van den Ende J, Woollam G, Zhu Q.
PMID: 30285020
Faraday Discuss. 2018 Oct 26;211:493-539. doi: 10.1039/c8fd90032a.

No abstract available.

Superconducting praseodymium superhydrides.

Science advances

Zhou D, Semenok DV, Duan D, Xie H, Chen W, Huang X, Li X, Liu B, Oganov AR, Cui T.
PMID: 32158937
Sci Adv. 2020 Feb 28;6(9):eaax6849. doi: 10.1126/sciadv.aax6849. eCollection 2020 Feb.

Superhydrides have complex hydrogenic sublattices and are important prototypes for studying metallic hydrogen and high-temperature superconductors. Previous results for LaH

Anomalous High-Temperature Superconductivity in YH.

Advanced materials (Deerfield Beach, Fla.)

Troyan IA, Semenok DV, Kvashnin AG, Sadakov AV, Sobolevskiy OA, Pudalov VM, Ivanova AG, Prakapenka VB, Greenberg E, Gavriliuk AG, Lyubutin IS, Struzhkin VV, Bergara A, Errea I, Bianco R, Calandra M, Mauri F, Monacelli L, Akashi R, Oganov AR.
PMID: 33751670
Adv Mater. 2021 Apr;33(15):e2006832. doi: 10.1002/adma.202006832. Epub 2021 Mar 10.

Pressure-stabilized hydrides are a new rapidly growing class of high-temperature superconductors, which is believed to be described within the conventional phonon-mediated mechanism of coupling. Here, the synthesis of one of the best-known high-T

Measuring the Meissner effect at megabar pressures.

National science review

Semenok D, Oganov AR.
PMID: 34691940
Natl Sci Rev. 2019 Oct;6(5):856. doi: 10.1093/nsr/nwz094. Epub 2019 Jul 17.

No abstract available.

Showing 13 to 24 of 150 entries