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Gate-dependent Pseudospin Mixing in Graphene/Boron Nitride Moire Superlattices
Zhiwen Shi, Chenhao Jin, Wei Yang +13
Electrons in graphene are described by relativistic Dirac-Weyl spinors with a two-component pseudospin1-12. The unique pseudospin structure of Dirac electrons leads to emerging phe…
Systematic Determination of Absolute Absorption Cross-section of Individual Carbon Nanotubes
Kaihui Liu, Xiaoping Hong, Sangkook Choi +9
Determination of optical absorption cross-section is always among the central importance of understanding a material. However its realization on individual nanostructures, such as…
High-throughput Imaging and Spectroscopy of Individual Carbon Nanotubes in Devices with Light Microscopy
Kaihui Liu, Xiaoping Hong, Qin Zhou +7
Two paramount challenges in carbon nanotube research are achieving chirality-controlled synthesis and understanding chirality-dependent device physics. High-throughput and in-situ…
Magnetoelectric Coupling and Electric Control of Magnetization in Ferromagnet-Ferroelectric-Metal Superlattices
Tianyi Cai, Sheng Ju, Jaekwang Lee +6
Ferromagnet-ferroelectric-metal superlattices are proposed to realize the large room-temperature magnetoelectric effect. Spin dependent electron screening is the fundamental mechan…
First Principles Calculation of Anomalous Hall Conductivity in Ferromagnetic bcc Fe
Yugui Yao, L. Kleinman, A. H. MacDonald +5
We perform a first principles calculation of the anomalous Hall effect in ferromagnetic bcc Fe. Our theory identifies an intrinsic contribution to the anomalous Hall conductivity a…