書誌事項
- タイトル別名
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- Uniaxially Incommensurate Structure and Metal-insulator Transition of Metallic Indium Monolayer on Si(111)
- Si(111)ヒョウメン ジョウ ノ Inタンゲンシソウ キンゾク ノ イチジクセイ フセイゴウ コウゾウ ト キンゾク ゼツエンタイ テンイ
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<p>We have studied the atomic structure and phase transition of a monolayer phase of In on Si(111), known as the hexagonal (√7×√3) phase. Low-energy electron diffraction and scanning tunneling microscopy observations revealed that the monolayer phase actually has an incommensurate structure with the In overlayer uniaxially contracted by 2% from (√7×√3). We observed the phase transition to the (√7×√7) phase at 250–210 K upon cooling. Angle-resolved photoelectron spectroscopy and in situ four-point-probe conductivity measurements demonstrated that the transition induces disappearance of the metallic surface states and a sharp drop in conductivity, respectively. These results indicate an electronic metal-insulator transition.</p>
収録刊行物
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- 表面と真空
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表面と真空 63 (8), 425-430, 2020-08-10
公益社団法人 日本表面真空学会
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詳細情報 詳細情報について
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- CRID
- 1390848250135315712
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- NII論文ID
- 130007886632
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- NII書誌ID
- AA12808657
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- ISSN
- 24335843
- 24335835
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- NDL書誌ID
- 030599978
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
- KAKEN
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- 抄録ライセンスフラグ
- 使用不可