کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
8161374 | 1525113 | 2018 | 5 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Neutron diffraction study of antiferromagnetic ErNi3Ga9 in magnetic fields
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
فیزیک و نجوم
فیزیک ماده چگال
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
We report specific heat, magnetization, magnetoresistance, and neutron diffraction measurements of single crystals of ErNi3Ga9. This compound crystalizes in a chiral structure with space group R32. The erbium ions form a two-dimensional honeycomb structure. ErNi3Ga9 displays antiferromagnetic order below 6.4Â K. We determined that the magnetic structure is slightly amplitude-modulated as well as antiferromagnetic with q=(0,0,0.5). The magnetic properties are described by an Ising-like model in which the magnetic moment is always along the c-axis owing to the large uniaxial anisotropy caused by the crystalline electric field effect in the low temperature region. When the magnetic field is applied along the c-axis, a metamagnetic transition is observed around 12Â kOe at 2Â K. ErNi3Ga9 possesses crystal chirality, but the antisymmetric magnetic interaction, the so-called Dzyaloshinskii-Moriya (DM) interaction, does not contribute to the magnetic structure, because the magnetic moments are parallel to the DM-vector.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Physica B: Condensed Matter - Volume 536, 1 May 2018, Pages 392-396
Journal: Physica B: Condensed Matter - Volume 536, 1 May 2018, Pages 392-396
نویسندگان
Hiroki Ninomiya, Takaaki Sato, Yuji Matsumoto, Taketo Moyoshi, Akiko Nakao, Kazuki Ohishi, Yusuke Kousaka, Jun Akimitsu, Katsuya Inoue, Shigeo Ohara,