2016年2月
Observation of all-in type tetrahedral displacements in nonmagnetic pyrochlore niobates
PHYSICAL REVIEW B
- 巻
- 93
- 号
- 8
- 開始ページ
- 085109\_1
- 終了ページ
- 085109\_5
- 記述言語
- 英語
- 掲載種別
- 研究論文(学術雑誌)
- DOI
- 10.1103/PhysRevB.93.085109
- 出版者・発行元
- AMER PHYSICAL SOC
We observed all-in type Nb tetrahedral displacement in nonmagnetic pyrochlore niobates A(2)Nb(2)O(7) (A = Nd0.5Ca0.5 and Y0.5Ca0.5) through the analysis of the neutron pair distribution function and the extended x-ray absorption function spectroscopy. The all-in type Nb tetrahedral displacement, which has the character of a charge singlet state, is driven by the formation of the bonding orbital. The diffuse scattering in the x-ray diffraction, which has the resonant component in the Nb L-3 edge, indicates that the all-in type Nb tetrahedral displacement has the periodicity with its short-range correlation.
- リンク情報
- ID情報
-
- DOI : 10.1103/PhysRevB.93.085109
- ISSN : 2469-9950
- eISSN : 2469-9969
- Web of Science ID : WOS:000369405000003