交换偏置系统中未补偿自旋的深度分布。
Depth profile of uncompensated spins in an exchange bias system.
作者信息
Roy S, Fitzsimmons M R, Park S, Dorn M, Petracic O, Roshchin Igor V, Li Zhi-Pan, Batlle X, Morales R, Misra A, Zhang X, Chesnel K, Kortright J B, Sinha S K, Schuller Ivan K
机构信息
Department of Physics, University of California at San Diego, La Jolla, California 92093, USA.
出版信息
Phys Rev Lett. 2005 Jul 22;95(4):047201. doi: 10.1103/PhysRevLett.95.047201. Epub 2005 Jul 21.
We have used the unique spatial sensitivity of polarized neutron and soft x-ray beams in reflection geometry to measure the depth dependence of magnetization across the interface between a ferromagnet and an antiferromagnet. The net uncompensated magnetization near the interface responds to applied field, while uncompensated spins in the antiferromagnet bulk are pinned, thus providing a means to establish exchange bias.
我们利用极化中子和软X射线束在反射几何结构中的独特空间灵敏度，来测量铁磁体与反铁磁体界面处磁化强度的深度依赖性。界面附近的净未补偿磁化强度对施加的磁场做出响应，而反铁磁体块体中的未补偿自旋被固定，从而提供了一种建立交换偏置的方法。
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