Improvement of thermal spin-transfer torque (TSTT) in magnetic tunnel junctions (MTJs) is predicted by an anti-reflective Fabry-Pérot MTJ (AR-FPMTJ). It is investigated using non-equilibrium Green's function formalism. The presence of anti-reflective regions leads to boxcar (band-pass) transmission function in the AR-FPMTJ device compared to that in a superlattice MTJ as the magnitude of the TSTT in the former is almost six times greater than that in the latter. The present study suggests a novel application in the field of spintronics.

中文翻译：

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防反射法布里-珀罗磁隧道结提高了热自旋传递扭矩

防反射法布里-佩罗特MTJ（AR-FPMTJ）可以预测磁性隧道结（MTJ）中热自旋传递转矩（TSTT）的提高。使用非平衡格林函数形式主义对其进行了研究。与超晶格MTJ相比，抗反射区的存在导致AR-FPMTJ器件具有棚车（带通）传输功能，因为前者的TSTT大小几乎是后者的6倍。本研究表明在自旋电子学领域的一种新颖的应用。