Structural and magnetic properties of spinel FeV2O4 with two ions having orbital degrees of freedom
Structural and magnetic properties of spinel FeV2O4 with two ions having orbital degrees of freedom
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DOI：
10.1143/jpsj.77.053708
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发表时间：
2008-05-01
影响因子：
1.7
通讯作者：
Arima, Taka-hisa
中科院分区：
文献类型：
--
作者：
Katsufuji, Takuro;Suzuki, Takehito;Arima, Taka-hisa
FeV_2O_4在Fe ~（2+）和V ~（3+）离子处都具有轨道自由度，表现出连续的结构相变。我们研究了这种结构和磁性以及两者之间的相关性。我们发现，在四方相或正交相的晶畴可以通过施加磁场对齐，诱导大的磁致伸缩（类似于1%）。FeV_2O_4中Fe ~（2+）和V ~（3+）轨道的竞争和协同作用可能是这些有趣性质的起源。
FeV2O4 with orbital degrees of freedom both at the Fe2+ and V3+ ions exhibits successive structural phase transitions. We studied this structural and magnetic properties as well as the correlation between the two. We found that the crystalline domains in the tetragonal or orthorhombic phases can be aligned by the applied magnetic field, inducing a large magnetostriction (similar to 1%). The competition and cooperation of Fe2+ and V3+ orbitals is the possible origin of these intriguing properties in FeV2O4.