Element Substitution Effects on Magnetic Properties of Spin-Frustrated Spinel ZnB2O4 (B=Cr and Fe)

Takumi Ono; Daichi Oharu; Shota Kobayashi; Hayato Yamada; Shota Takita; Minoru Maeda; Kouichi Takase; Yoshiki Takano; Tadataka Watanabe

doi:10.4028/www.scientific.net/SSP.257.111

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HomeSolid State PhenomenaSolid State Phenomena Vol. 257Element Substitution Effects on Magnetic...

Element Substitution Effects on Magnetic Properties of Spin-Frustrated Spinel ZnB₂O₄(B=Cr and Fe)

Abstract:

We investigated magnetic properties of spinel oxides Zn (Cr_1-_xFe_x)₂O₄ to study element substitution effects on magnetism of spin-frustrated spinel oxides ZnCr₂O₄ and ZnFe₂O₄. The present study revealed that an antiferromagnetic order of ZnCr₂O₄ (T_N ~ 13 K) is suppressed by Fe doping. Zn (Cr_1-_xFe_x)₂O₄ with x = 0.1, 0.5, and 0.7 exhibits spin-glass-like behavior below ~ 10 K. On the other hand, Zn (Cr_1-_xFe_x)₂O₄ with x = 0.3 exhibits the absence of magnetic order or spin-glass-like behavior down to low temperature (3 K), which is probably due to the competition of geometrical and bond frustrations.

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Solid State Phenomena (Volume 257)

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111-114

DOI:

https://doi.org/10.4028/www.scientific.net/SSP.257.111

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Online since:

October 2016

Authors:

Takumi Ono, Daichi Oharu, Shota Kobayashi, Hayato Yamada, Shota Takita, Minoru Maeda, Kouichi Takase, Yoshiki Takano, Tadataka Watanabe*

Keywords:

Bond Frustration, Element Substitution, Geometrical Frustration, Spinel Oxide

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