Nano-fabrication of CDW and its negative resistance phenomenon

H. Kubota, T. Sumita, S. Takami, T. Shinada, I. Ohdomari

研究成果: ジャーナルへの寄稿会議記事査読

2 被引用数 (Scopus)

抄録

Nano-fabrication of CDW (nano-CDW) with sub 0.1 micrometer thick has been successfully formed by applying of focused-ion-beam to the one-dimensional conductor, molybdenum blue bronze (K0.3MoO3) crystal. The nano-CDW characteristically shows negative resistance above the threshold fields, which monotonously increased with decreasing temperature. The nano-fabrication is completed via two steps procedure. 1st: Hydrogen ion beam irradiation to the K0.3MoO3 crystal makes no-CDW layer by hydrogen atoms as excess-donar at 40-100 nm depth, where CDW at the surface of the crystal was isolated from the bulk side. 2nd: Scanning focused silicon ion beam makes amorphous MoO3 in line and space patterns, where CDW at the surface are isolated as real one-dimensional region. The one-dimensionality of electrons has been confirmed by negative magnetic resistance, which magnitude should be reduced with decreasing dimensionality.

本文言語英語
ページ(範囲)Pr10-175-Pr10-177
ジャーナルJournal De Physique. IV : JP
9
10
DOI
出版ステータス出版済み - 1999
イベントProceedings of the 1999 International Workshop on ELectronic Crystals (ECRYS-99) - La Colle-sur-Loup, France
継続期間: 1999 5月 311999 6月 5

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