Date & Time |
25 May 2006 (Thu), 3:30 pm - 5:00 pm
|
|---|---|
Place |
6F seminar room, Sengen site
|
Speaker |
Dr. Hisashi Kondo(近藤恒博士)
|
Affiliation |
Inst. for Industrial Science, Univ. of Tokyo/First-Principles Simulation group (I), NIMS-CMSC(東京大学生産技術研究所/NIMS-CMSC 第一原理物性G)
|
Title |
Quantum Transport Properties in Nano-scale materials
ナノ物質の量子伝導特性
|
Abstract |
Major topics in nanotechnology include studies on electron transport properties for nano-scale materials bridging metal electrodes. One of the fundamental issues in the study of molecular electronics is to understand how the transport properties of the molecular device are determined by its atomic and electronic structures. We have studied the transport properties of the junction system of the single molecule bridging Au(111) electrodes by using the non-equilibrium Green's function method. In this talk, the method of calculation and some examples of its application will be presented.
ナノスケールのデバイスの可能性に関連して単分子によるナノ構造体の示す物性が注目を集めており，その伝導特性に関する研究が実験的にも理論的にも活発に行われている．このような系の伝導特性には分子の性質ばかりでなく電極の構造や電極・分子間の接点構造が大きな影響を及ぼすものと考えられる．我々は擬原子軌道を用いたLCAO 法に基づく非平衡グリーン関数法を適用し，単分子がAu(111)表面に挟まれた系の電子状態および伝導特性を調べてきた．講演ではその手法や計算例を紹介する．
|
Contact |
Dr. Jun Nara (奈良純) 
|
Quantum Transport Properties in Nano-scale materials
