Structural and Electronic Properties of RuX3 (X = Br and I) under High Pressure

被引：0

作者：

Sato, Fuki ^{[1
]}

Aoyama, Takuya ^{[1
]}

Kawaguchi, Saori ^{[2
]}

Gotou, Hirotada ^{[3
]}

Imai, Yoshinori ^{[1
]}

Ohgushi, Kenya ^{[1
]}

机构：

[1] Tohoku Univ, Dept Phys, Sendai 9808578, Japan

[2] SPring 8 JASRI, Hyogo 6795098, Japan

[3] Univ Tokyo, Inst Solid State Phys, Kashiwa, Chiba 2778581, Japan

来源：

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN | 2024年 / 93卷 / 09期

关键词：

D O I：

10.7566/JPSJ.93.093601

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We performed powder X-ray diffraction and electrical resistivity measurements under high pressure for RuX3 (X = Br and I) with a honeycomb structure. Three phases exist in the pressure-temperature - temperature (P-T) phase diagram of RuBr3: an insulating ideal honeycomb phase at 0 < P < 4 GPa; a zigzag-chain bond phase with an enhanced insulating behavior at 4 < P < 10 GPa; and a low resistivity amorphous phase at 10 < P < 18 GPa. Three phases were also observed in the P - T phase diagram of RuI3: 3 : a semimetallic ideal honeycomb phase at 0 < P < 7 GPa; a semimetallic zigzag-chain bond phase at 7 < P < 14 GPa; and a dimer bond phase with a temperature-independent resistivity at 14 < P < 30 GPa.

引用

页数：5

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