Temperature dependence of spin Hall magnetoresistance across the Néel temperature of CoO
Temperature dependence of spin Hall magnetoresistance across the Néel temperature of CoO
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DOI：
10.7567/1347-4065/ab6505
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发表时间：
2020-01
影响因子：
1.5
通讯作者：
K. Oda;T. Moriyama;M. Kimata;S. Kasukawa;T. Ono
中科院分区：
文献类型：
--
作者：
K. Oda;T. Moriyama;M. Kimata;S. Kasukawa;T. Ono
自旋霍尔磁阻被用来探测磁性绝缘体/重金属薄膜的磁矩。在这里，我们研究了在CoO的奈尔温度附近的铂/氧化钴/铂三层膜中的磁场相关磁阻和温度相关磁阻。在反铁磁相中获得的磁阻可以解释为SMR，而在顺磁相中的结果表明了与传统SMR不同的额外机制。
Spin Hall magnetoresistance has been used to probe magnetic moments in magnetic insulator/heavy metal thin films. Here we explore the magnetic field-dependent magnetoresistance and the temperature-dependent magnetoresistance in a Pt/CoO/Pt trilayer near the Néel temperature of CoO. The obtained magnetoresistance in an antiferromagnetic phase can be interpreted as SMR whereas the results in a paramagnetic one suggest the additional mechanism other than the conventional SMR.