Pressure-induced transition of the interlayer exchange interaction from ferromagnetic to antiferromagnetic observed in the two-dimensional ferromagnet (CH3NH3)2CuCl4 through magnetic susceptibility and neutron scattering measurements

At ambient pressure, both the intralayer and the interlayer exchange interactions in the layered compound (CH3NH3)2CuCl4 are ferromagnetic. Magnetic susceptibility and neutron scattering experiments performed under pressures up to about 1 GPa revealed that the interlayer exchange interaction turns i...

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Bibliographic Details
Published in:Journal of the Physical Society of Japan 2001-05, Vol.70 (5), p.1390-1396
Main Authors: MANAKA, Hirotaka, YAMADA, Isao, NISHI, Masakazu, GOTO, Tsuneaki
Format: Article
Language:English
Subjects:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Exact sciences and technology
Exchange and superexchange interactions
Magnetic properties and materials
Magnetically ordered materials: other intrinsic properties
Physics
Saturation moments and magnetic susceptibilities
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Summary:At ambient pressure, both the intralayer and the interlayer exchange interactions in the layered compound (CH3NH3)2CuCl4 are ferromagnetic. Magnetic susceptibility and neutron scattering experiments performed under pressures up to about 1 GPa revealed that the interlayer exchange interaction turns into an antiferromagnetic one at a pressure between 0.41 GPa and 0.61 GPa, while the intralayer exchange interaction remains ferromagnetic. The spin structure in the antiferromagnetic phase is still collinear at least up to 1.1 GPa.
ISSN:0031-9015
1347-4073
DOI:10.1143/JPSJ.70.1390