Electronic structure study of local dielectric properties of lanthanoid oxide clusters

被引：12

作者：

Doi, Kentaro ^{[1
]}

Mikazuki, Yutaka ^{[1
]}

Sugino, Shinya ^{[1
]}

Doi, Tatsuki ^{[1
]}

Szarek, Pawel ^{[1
]}

Senami, Masato ^{[1
]}

Shiraishi, Kenji ^{[2
]}

Iwai, Hiroshi ^{[3
]}

Umezawa, Naoto ^{[4
]}

Chikyo, Toyohiro ^{[4
]}

Yamada, Keisaku ^{[5
]}

Tachibana, Akitomo ^{[1
]}

机构：

[1] Kyoto Univ, Dept Micro Engn, Kyoto 6068501, Japan

[2] Univ Tsukuba, Grad Sch Pure & Appl Sci, Tsukuba, Ibaraki 3058571, Japan

[3] Tokyo Inst Technol, Frontier Collaborat Res Ctr, Yokohama, Kanagawa 2268502, Japan

[4] Natl Inst Mat Sci, Tsukuba, Ibaraki 3050044, Japan

[5] Waseda Univ, Nanotechnol Res Labs, Tokyo 1690041, Japan

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS | 2008年 / 47卷 / 01期

关键词：

local dielectric constant; lanthanoid oxides; density functional theory; Rigged QED theory;

D O I：

10.1143/JJAP.47.205

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Density functional calculations are performed for lanthanum-oxide clusters in order to study the local dielectric properties of such clusters using the dielectric constant defined at local points. An increase in coordination number brings about an increase in electron population on the central lanthanum atom, leading to an increase in the local dielectric constant.

引用

页码：205 / 211

页数：7

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