High-pressure single-crystal synchrotron diffraction study of MnGe and related compounds

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High-pressure single-crystal synchrotron diffraction study of MnGe and related compounds. / Valkovskiy, G. A.; Yashina, E. G.; Dyadkin, V. A.; Tsvyashchenko, A. V.; Fomicheva, L. N.; Bykov, M.; Bykova, E.; Dubrovinsky, L.; Yu Chernyshov, D.; Grigoriev, S. V.

In: Journal of Physics: Condensed Matter, Vol. 29, No. 8, 085401, 2017.

Research output: Contribution to journal › Article › peer-review

Author

Valkovskiy, G. A. ; Yashina, E. G. ; Dyadkin, V. A. ; Tsvyashchenko, A. V. ; Fomicheva, L. N. ; Bykov, M. ; Bykova, E. ; Dubrovinsky, L. ; Yu Chernyshov, D. ; Grigoriev, S. V. / High-pressure single-crystal synchrotron diffraction study of MnGe and related compounds. In: Journal of Physics: Condensed Matter. 2017 ; Vol. 29, No. 8.

BibTeX

@article{88d44a3c20a740a8a9dad94de74eb04c,

title = "High-pressure single-crystal synchrotron diffraction study of MnGe and related compounds",

abstract = "{\textcopyright} 2017 IOP Publishing Ltd.Single crystal synchrotron diffraction for pressures up to 50 GPa has revealed an essential difference in structural properties and compressibility of MnGe compared with Mn1-xCoxGe and Mn1-xFexGe solid solutions. A negative thermal expansion has been observed for MnGe at low-temperatures and high-pressures. The single crystal refinement has shown a discontinuous change of the atomic coordinates and Mn-Ge interatomic distances of MnGe in contrast to Mn0.1Co0.9Ge. These peculiarities of MnGe are likely to be associated with high-spin-low-spin transition. The relation between anisotropy of the coordination of Mn-atom and its magnetic moment is discussed.",

keywords = "B20 structure, high-pressure x-ray diffraction, interatomic distances, MnGe",

author = "Valkovskiy, {G. A.} and Yashina, {E. G.} and Dyadkin, {V. A.} and Tsvyashchenko, {A. V.} and Fomicheva, {L. N.} and M. Bykov and E. Bykova and L. Dubrovinsky and {Yu Chernyshov}, D. and Grigoriev, {S. V.}",

note = "Publisher Copyright: {\textcopyright} 2017 IOP Publishing Ltd.",

year = "2017",

doi = "10.1088/1361-648X/aa5477",

language = "English",

volume = "29",

journal = "Journal of Physics Condensed Matter",

issn = "0953-8984",

publisher = "IOP Publishing Ltd.",

number = "8",

}

RIS

TY - JOUR

T1 - High-pressure single-crystal synchrotron diffraction study of MnGe and related compounds

AU - Valkovskiy, G. A.

AU - Yashina, E. G.

AU - Dyadkin, V. A.

AU - Tsvyashchenko, A. V.

AU - Fomicheva, L. N.

AU - Bykov, M.

AU - Bykova, E.

AU - Dubrovinsky, L.

AU - Yu Chernyshov, D.

AU - Grigoriev, S. V.

PY - 2017

Y1 - 2017

N2 - © 2017 IOP Publishing Ltd.Single crystal synchrotron diffraction for pressures up to 50 GPa has revealed an essential difference in structural properties and compressibility of MnGe compared with Mn1-xCoxGe and Mn1-xFexGe solid solutions. A negative thermal expansion has been observed for MnGe at low-temperatures and high-pressures. The single crystal refinement has shown a discontinuous change of the atomic coordinates and Mn-Ge interatomic distances of MnGe in contrast to Mn0.1Co0.9Ge. These peculiarities of MnGe are likely to be associated with high-spin-low-spin transition. The relation between anisotropy of the coordination of Mn-atom and its magnetic moment is discussed.

AB - © 2017 IOP Publishing Ltd.Single crystal synchrotron diffraction for pressures up to 50 GPa has revealed an essential difference in structural properties and compressibility of MnGe compared with Mn1-xCoxGe and Mn1-xFexGe solid solutions. A negative thermal expansion has been observed for MnGe at low-temperatures and high-pressures. The single crystal refinement has shown a discontinuous change of the atomic coordinates and Mn-Ge interatomic distances of MnGe in contrast to Mn0.1Co0.9Ge. These peculiarities of MnGe are likely to be associated with high-spin-low-spin transition. The relation between anisotropy of the coordination of Mn-atom and its magnetic moment is discussed.

KW - B20 structure

KW - high-pressure x-ray diffraction

KW - interatomic distances

KW - MnGe

UR - http://www.scopus.com/inward/record.url?scp=85011999919&partnerID=8YFLogxK

U2 - 10.1088/1361-648X/aa5477

DO - 10.1088/1361-648X/aa5477

M3 - Article

C2 - 28060772

VL - 29

JO - Journal of Physics Condensed Matter

JF - Journal of Physics Condensed Matter

SN - 0953-8984

IS - 8

M1 - 085401

ER -

ID: 7909595