CaCu3Pt4O12: The First Perovskite with the B Site Fully Occupied by Pt4+

被引：14

作者：

Yamada, Ikuya ^{[1
,2
]}

Takahashi, Yuka ^{[1
]}

Ohgushi, Kenya ^{[2
,3
]}

Nishiyama, Norimasa ^{[4
]}

Takahashi, Ryoji ^{[1
]}

Wada, Kohei ^{[4
]}

Kunimoto, Takehiro ^{[4
]}

Ohfuji, Hiroaki ^{[4
]}

Kojima, Yohei ^{[4
]}

Inoue, Toru ^{[4
]}

Irifune, Tetsuo ^{[4
]}

机构：

[1] Ehime Univ, Grad Sch Sci & Engn, Dept Chem, Matsuyama, Ehime 7908577, Japan

[2] JST, TRIP, Chiyoda Ku, Tokyo 1020075, Japan

[3] Univ Tokyo, Inst Solid State Phys, Chiba 2278581, Japan

[4] Ehime Univ, Geodynam Res Ctr, Matsuyama, Ehime 7908577, Japan

来源：

INORGANIC CHEMISTRY | 2010年 / 49卷 / 15期

关键词：

OXIDE; CRYSTAL; CAPTO3;

D O I：

10.1021/ic100474x

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

A novel A-site ordered perovskite CaCu3Pt4O12 was synthesized under high pressure and high temperature of 12 GPa and 1250 degrees C. CaCu3Pt4O12 is the first perovskite in which the B site is fully occupied by Pt4+. The crystal structure refinement based on the synchrotron powder X-ray diffraction data shows that CaCu3Pt4O12 crystallizes in the space group Im (3) over bar (cubic) with a lattice constant of a = 7.48946(10) angstrom. The magnetic susceptibility data show the antiferromagnetic transition at T-N = 40 K, which is attributed to the magnetic ordering of Cu2+ spins with S = 1/2.

引用

页码：6778 / 6780

页数：3

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