Electron-transfer-induced metallic electronic states in a H/Fe3O4(001) film subsurface

Hiura, Satoshi; Subagyo, Agus; Murayama, Akihiro; Sueoka, Kazuhisa

doi:10.7567/1882-0786/ab10ce


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Electron-transfer-induced metallic electronic states in a H/Fe3O4(001) film subsurface

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Please use this identifier to cite or link to this item:http://hdl.handle.net/2115/77799

Title:	Electron-transfer-induced metallic electronic states in a H/Fe3O4(001) film subsurface
Authors:	Hiura, Satoshi Browse this author
	Subagyo, Agus Browse this author
	Murayama, Akihiro Browse this author →KAKEN DB
	Sueoka, Kazuhisa Browse this author →KAKEN DB
Issue Date:	May-2019
Publisher:	IOP Publishing
Journal Title:	Applied Physics Express (APEX)
Volume:	12
Issue:	5
Start Page:	055502
Publisher DOI:	10.7567/1882-0786/ab10ce
Abstract:	We investigate the local electronic properties of Fe atoms in a H/Fe3O4(001) film subsurface using scanning tunneling microscopy/spectroscopy (STS). Local barrier height measurements show a H-adsorption-induced reduction of the local work function, indicating electron transfer from H to surface atoms. The STS results and high-resolution spatial mapping of the occupied density of states near the Fermi level reveal that subsurface Fe atoms located beneath a OH group exhibit a metallic electronic state, different from the semiconducting state for intrinsic subsurface Fe atoms. These results can be explained by considering the extension of electron transfer to the subsurface layer. (c) 2019 The Japan Society of Applied Physics
Rights:	© 2019 The Japan Society of Applied Physics
Type:	article (author version)
URI:	http://hdl.handle.net/2115/77799
Appears in Collections:	情報科学院・情報科学研究院 (Graduate School of Information Science and Technology / Faculty of Information Science and Technology) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 樋浦諭志

OAI-PMH ( junii2 , jpcoar_1.0 )

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