Kensuke Kobayashi

TL;DR: The finding of a huge spin-orbit interaction effect in a polar semiconductor composed of heavy elements, BiTeI, where the bulk carriers are ruled by large Rashba-likespin splitting is described, confirming that the spin splitting is indeed derived from bulk atomic configurations.

TL;DR: In this paper, a single crystal of ordered double perovskite oxide with a conducting ferromagnet has been prepared by the floating zone method, and the magnetic and electronic properties have been investigated.

TL;DR: It is demonstrated that chains of imidazole molecules can often be bistable in electric polarity and electrically switchable, even in the crystalline state, through proton tautomerization, in the quest for lead- and rare-metal-free ferroelectric devices.

TL;DR: It is found that the ferroelectric properties are governed by intermolecular charge transfer rather than simple displacement of static point charge on molecules, which enhances the polarization more than 20 times that of the point-charge model.

TL;DR: Cluster model calculations including charge transfer from doping-induced states show good agreement, confirming this picture of bulk properties reflected in Mn 2p core-levels using HX PES.