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
收藏
页码：570 / 576
页数：7
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