Crystal structure and hyperfine interactions of delafossite (CuFeO2) synthesized hydrothermally

被引：3

作者：

Siedliska, Karolina ^{[1
]}

Pikula, Tomasz ^{[1
]}

Surowiec, Zbigniew ^{[2
]}

Panek, Rafal ^{[3
]}

Idczak, Rafal ^{[4
,5
]}

Vinh Hung Tran ^{[4
]}

Jartych, Elzbieta ^{[1
]}

机构：

[1] Lublin Univ Technol, Dept Elect & Informat Technol, 38A Nadbystrzycka Str, PL-20618 Lublin, Poland

[2] Univ Maria Curie Sklodowska, Inst Phys, 1 Maria Curie Sklodowska Sq, PL-20031 Lublin, Poland

[3] Lublin Univ Technol, Dept Geotech Engn, 40 Nadbystrzycka Str, PL-20618 Lublin, Poland

[4] Polish Acad Sci, Inst Low Temp & Struct Res, 2 Okolna Str, PL-50422 Wroclaw, Poland

[5] Univ Wroclaw, Inst Expt Phys, 9 M Borna Sq, PL-50204 Wroclaw, Poland

来源：

ACTA CRYSTALLOGRAPHICA SECTION B-STRUCTURAL SCIENCE CRYSTAL ENGINEERING AND MATERIALS | 2021年 / 77卷

关键词：

delafossite; CuFeO2; hydrothermal synthesis; Mossbauer spectroscopy; MAGNETIC-PROPERTIES; THIN-FILMS; MOSSBAUER; CHEMISTRY; FACILE;

D O I：

10.1107/S2052520621005072

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The powder specimen of CuFeO2 delafossite was synthesized by a hydrothermal method at 453 K. X-ray diffraction studies confirmed that the obtained pure delafossite phase was a mixture of the 3R and 2H polytypes, predominantly the former. Mossbauer spectral analysis revealed the paramagnetic state of the copper ferrite at room temperature. Below 12 K the spectra had complicated shapes of Zeeman sextets. Changes in the character of the hyperfine interactions did not correspond to the data reported for the single-crystal CuFeO2. Magnetization measurements revealed that magnetic transition occurred at Neel temperature (T-N) = 12.5 K.

引用

页码：570 / 576

页数：7

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