Possible charge order structure of stoichiometric YbFe2O4

被引：11

作者：

Fujiwara, Kosuke ^{[1
]}

Karasudani, Tomoyuki ^{[1
]}

Fukunaga, Mamoru ^{[1
]}

Kobayashi, Hiroyuki ^{[1
]}

Kano, Jun ^{[1
,2
]}

Janolin, Pierre-Eymeric ^{[3
]}

Kiat, Jean-Michel ^{[3
,4
]}

Nogami, Yoshio ^{[1
]}

Kondo, Ryusuke ^{[1
]}

Ikeda, Naoshi ^{[1
]}

机构：

[1] Okayama Univ, Grad Sch Nat Sci & Technol, Okayama 7008530, Japan

[2] Japan Sci & Technol Agcy, PRESTO, Saitama, Japan

[3] Univ Paris Saclay, UMR CNRS Cent Supelec, Lab Struct Proprietes & Modelisat Mat, Chatenay Malabry, France

[4] CEA Saclay, Lab Leon Brillouin, CNRS UMR 12, Gif Sur Yvette, France

来源：

FERROELECTRICS | 2017年 / 512卷 / 01期

关键词：

Electric ferroelectricity; charge order; YbFe2O4; SYSTEM LUFE2O4; FERROELECTRICITY;

D O I：

10.1080/00150193.2017.1349945

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We report a possible charge ordering model of triangular mixed valence material YbFe2O4. It was found that a crystal synthesized with high stoichiometry on iron vacancy shows new and simple extinction rule in the superlattice reflections. The Laue class of the diffraction signal is expressed as 2/m. With the consideration of the charge neutrality and the superlattice signal of (1/3 1/3 0), we derived 5 possible charge ordering models of this material.

引用

页码：85 / 91

页数：7

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