联苯分子中构象依赖的电子输运:循环电流及相关问题
Conformation-dependent electron transport through a biphenyl molecule: Circular current and related issues
摘要:
我们在一个简单的紧束缚框架内研究了联苯分子中构象依赖的电子转移。用格林函数方法计算了偏置电压驱动下的总结电流和两个苯环中的环流。我们的分析为利用具有环状结构的有机分子设计分子自旋电子器件提供了可能性,预示着分子自旋电子学的出现。
英文摘要:
We investigate the conformation-dependent electron transfer in a biphenyl molecule within a simple tight-binding framework. The overall junction current and circular currents in two benzene rings driven by applied bias voltage are calculated by using Green's function formalism. Our analysis may provide the possibilities of using organic molecules with loop substructures to design molecular spintronic devices, indicating the emergence of molecular spintronics.
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