Magnetic phase transitions around room temperature in Cu9S5

被引：0

作者：

Setzer, Annette ^{[1
]}

Esquinazi, Pablo D. ^{[1
]}

Botsch, Lukas ^{[1
]}

Baehre, Oliver ^{[2
]}

Teblum, Eti ^{[3
,4
]}

Itzhak, Anat ^{[3
,4
]}

Girshevitz, Olga ^{[5
]}

Nessim, Gilbert Daniel ^{[3
,4
]}

机构：

[1] Univ Leipzig, Felix Bloch Inst Solid State Phys, Div Superconduct & Magnetism, Leipzig, Germany

[2] Univ Leipzig, Inst Mineral Crystallog & Mat Sci, Leipzig, Germany

[3] Bar Ilan Univ, Dept Chem, Ramat Gan, Israel

[4] Bar Ilan Univ, Inst Nanotechnol, Ramat Gan, Israel

[5] Bar Ilan Inst Nanotechnol & Adv Mat BINA, Ramat Gan, Israel

来源：

PHASE TRANSITIONS | 2019年 / 92卷 / 04期

基金：

以色列科学基金会;

关键词：

Copper sulphide; magnetic phase transition; room temperature phase transitions; paramagnetism; diamagnetism;

D O I：

10.1080/01411594.2019.1586901

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

We have studied the magnetization of a recently synthesized CuS compound and found two phase transitions around room temperature. The phase transitions in the crystalline structure, characterized by XRD studies, are accompanied by changes also in the electrical resistivity. A hysteretic first-order phase transition has been found between 260 and 320K, from a low-temperature paramagnetic anilite phase to a diamagnetic high-temperature low-digenite phase. A second order phase transition was recognized at similar or equal to 352K from low digenite to a paramagnetic high-digenite structure at high temperatures.

引用

页码：385 / 395

页数：11

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