Thermoelectric properties of superlattice magnetic tunnel junctions (SL-MTJs) comprising of MgO barriers, ZnO quantum wells and CoFeB contacts are investigated in the linear and nonlinear response regime. The transmission function is calculated by the nonequilibrium Green’s function (NEGF) formalism. The anti-reflective (AR) regions idea in SL-MTJs leads to an enhancement in power factor as well as output power due to the presence of “box-car” transmission in AR-MTJs. Therefore, it can be proposed as a new way to progress in the field of spincaloritronics.

中文翻译：

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在超晶格磁隧道结中通过“Box-Car”传输剖面增强功率

在线性和非线性响应方案中研究了由 MgO 势垒、ZnO 量子阱和 CoFeB 接触组成的超晶格磁隧道结 (SL-MTJ) 的热电特性。传递函数是通过非平衡格林函数 (NEGF) 形式计算的。由于 AR-MTJ 中存在“棚车”传输，SL-MTJ 中的抗反射 (AR) 区域理念导致功率因数和输出功率的提高。因此，它可以作为一种在自旋热电子学领域取得进展的新途径。