Nature

, volume 430 , issue 6998 , pages 445-448

Theoretical and experimental evidence for a post-perovskite phase of MgSiO3 in Earth's D″ layer

Artem R. Oganov ¹

Shigeaki Ono ²

Hide authors affiliations Show authors affiliations: 2 affiliations

Laboratory of Crystallography, Department of Materials, ETH Zurich, Zurich, Switzerland |

Institute for Frontier Research on Earth Evolution, Japan Agency for Marine-Earth Science and Technology, Yokosuka-shi, Kanagawa, Japan |

Publication type: Journal Article

Publication date: 2004-07-21

Springer Nature

Nature

scimago Q1

wos Q1

SJR: 18.288

CiteScore: 78.1

Impact factor: 48.5

ISSN: 00280836, 14764687

DOI: 10.1038/nature02701

Copy DOI

PubMed ID: 15269766

Multidisciplinary

Abstract

The Earth's lower mantle is believed to be composed mainly of (Mg,Fe)SiO3 perovskite, with lesser amounts of (Mg,Fe)O and CaSiO3 (ref. 1). But it has not been possible to explain many unusual properties of the lowermost ∼150 km of the mantle (the D″ layer) with this mineralogy. Here, using ab initio simulations and high-pressure experiments, we show that at pressures and temperatures of the D″ layer, MgSiO3 transforms from perovskite into a layered CaIrO3-type post-perovskite phase. The elastic properties of the post-perovskite phase and its stability field explain several observed puzzling properties of the D″ layer: its seismic anisotropy2, the strongly undulating shear-wave discontinuity at its top3,4,5,6 and possibly the anticorrelation between shear and bulk sound velocities7,8.

Found

29 citations

Oganov Artem

🥼 🤝

DSc in Chemistry, professor, professor of the Russian Academy of Sciences

405 publications, 32 067 citations, 96 reviews

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Skolkovo Institute of Science and Technology

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Wenk Hans-Rudolf

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University of California, Berkeley

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Litasov Konstantin

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Fersman Mineralogical Museum of the Russian Academy of Sciences

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Kvashnin Alexander

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DSc in Physics and Mathematics

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Skolkovo Institute of Science and Technology

Functional composite materials

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Dymshits Anna

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PhD in Geological and Earth sciences

39 publications, 493 citations

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Institute of the Earth’s Crust of the Siberian Branch of the Russian Academy of Sciences

1 citation

Sorokin Pavel

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DSc in Physics and Mathematics, associate professor

200 publications, 8 152 citations, 21 reviews

h-index: 40

National University of Science & Technology (MISiS)

Institute of Microelectronics Technology and High Purity Materials of the Russian Academy of Sciences

Research interests

2D Materials

Ab initio

Computational chemistry

Condensed matter physics

Density functional theory (DFT)

Nanomaterials for biomedicine

Non-covalent Interactions

1 citation

Kvashnin Dmitry

🥼

DSc in Physics and Mathematics, associate professor

110 publications, 4 619 citations, 5 reviews

h-index: 23

Moscow Institute of Physics and Technology

Emanuel Institute of Biochemical Physics of the Russian Academy of Sciences

Pirogov Russian National Research Medical University

Mechanics of materials

1 citation

Shorikov Alexey

PhD in Physics and Mathematics

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h-index: 18

M.N. Mikheev Institute of Metal Physics of the Ural Branch of the Russian Academy of Sciences

Ural Federal University

Research interests

Condensed matter physics

Highly correlated electronic systems

1 citation

Lukoyanov Alexey

223 publications, 2 222 citations, 15 reviews

h-index: 22

M.N. Mikheev Institute of Metal Physics of the Ural Branch of the Russian Academy of Sciences

Ural Federal University

1 citation

Kapitonov Yury

PhD in Physics and Mathematics

66 publications, 852 citations

h-index: 14

Saint Petersburg State University

Research interests

Hybrid perovskites

Molecular beam epitaxy

1 citation

Popov Zakhar

PhD in Physics and Mathematics

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Emanuel Institute of Biochemical Physics of the Russian Academy of Sciences

1 citation

Kruglov Ivan

PhD in Physics and Mathematics

57 publications, 2 420 citations, 9 reviews

h-index: 26

Dukhov Research Institute of Automatics

Moscow Institute of Physics and Technology

Research interests

Computer simulation

Condensed matter physics

Density functional theory (DFT)

Machine learning

1 citation

Chtchelkatchev Nikolay

169 publications, 2 389 citations

h-index: 25

Institute for High Pressure Physics of Russian Academy of Sciences

1 citation

Propad Yana

🥼

5 publications, 38 citations

h-index: 3

Moscow Institute of Physics and Technology

Research interests

Crystallography

Density functional theory (DFT)

Machine learning

Materials Science

Superconductivity

1 citation

Suzuki Yuki

6 publications, 48 citations

h-index: 5

1 citation

Novikova Anastasiia

🤝

PhD in Chemistry, associate professor

17 publications, 154 citations, 1 review

h-index: 8

Don State Technical University

Research interests

Carbon materials

Functional composite materials

Functional materials

Graphene oxide

Hybrid nanomaterials

Magnetic nanoparticles

Nanoparticles of metal oxides

Solid state chemistry

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Oganov A. R., Ono S. Theoretical and experimental evidence for a post-perovskite phase of MgSiO3 in Earth's D″ layer // Nature. 2004. Vol. 430. No. 6998. pp. 445-448.

GOST all authors (up to 50) Copy

Oganov A. R., Ono S. Theoretical and experimental evidence for a post-perovskite phase of MgSiO3 in Earth's D″ layer // Nature. 2004. Vol. 430. No. 6998. pp. 445-448.

RIS |

Cite this

RIS Copy

TY - JOUR

DO - 10.1038/nature02701

UR - https://doi.org/10.1038/nature02701

TI - Theoretical and experimental evidence for a post-perovskite phase of MgSiO3 in Earth's D″ layer

T2 - Nature

AU - Oganov, Artem R.

AU - Ono, Shigeaki

PY - 2004

DA - 2004/07/21

PB - Springer Nature

SP - 445-448

IS - 6998

VL - 430

PMID - 15269766

SN - 0028-0836

SN - 1476-4687

ER -

BibTex |

Cite this

BibTex (up to 50 authors) Copy

@article{2004_Oganov,

author = {Artem R. Oganov and Shigeaki Ono},

title = {Theoretical and experimental evidence for a post-perovskite phase of MgSiO3 in Earth's D″ layer},

journal = {Nature},

year = {2004},

volume = {430},

publisher = {Springer Nature},

month = {jul},

url = {https://doi.org/10.1038/nature02701},

number = {6998},

pages = {445--448},

doi = {10.1038/nature02701}

}

MLA

Cite this

MLA Copy

Oganov, Artem R., and Shigeaki Ono. “Theoretical and experimental evidence for a post-perovskite phase of MgSiO3 in Earth's D″ layer.” Nature, vol. 430, no. 6998, Jul. 2004, pp. 445-448. https://doi.org/10.1038/nature02701.

Publisher

Springer Nature

Journal

Nature

scimago Q1

wos Q1

SJR

18.288

CiteScore

78.1

Impact factor

48.5

ISSN

00280836 (Print)

14764687 (Electronic)

Labs

Materials Design Laboratory

Profiles

Artem R. Oganov