Electron localization in nanoscale MnAs dots on GaAs: A photoemission study

Kanta Ono; Masaki Mizuguchi; Takeshi Uragami; Hiroyuki Akinaga; Hiroshi Fujioka; Masaharu Oshima

doi:10.1016/S0921-4526(99)02967-1

Electron localization in nanoscale MnAs dots on GaAs: A photoemission study

Kanta Ono, Masaki Mizuguchi, Takeshi Uragami, Hiroyuki Akinaga, Hiroshi Fujioka, Masaharu Oshima

Research output: Contribution to journal › Article › peer-review

4 Citations (Scopus)

Abstract

We have investigated the electronic structure of MnAs dots on GaAs (1 0 0) by photoemission spectroscopy. MnAs dots are grown on the S-passivated GaAs by MBE. The size of the dots is 15 nm. In the valence band photoemission spectra of MnAs dots, the Fermi edge disappears, and there is no spectral intensity at the Fermi level. In the Mn 2p core level spectra of MnAs dots, we have observed a satellite structure which also reflects the 3d electron localization in the MnAs dots.

Original language	English
Pages (from-to)	1778-1779
Number of pages	2
Journal	Physica B: Condensed Matter
Volume	284-288
Issue number	PART II
DOIs	https://doi.org/10.1016/S0921-4526(99)02967-1
Publication status	Published - 2000
Externally published	Yes

Keywords

Dots
MnAs
Photoemission

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Electrical and Electronic Engineering

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10.1016/S0921-4526(99)02967-1

Cite this

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title = "Electron localization in nanoscale MnAs dots on GaAs: A photoemission study",

abstract = "We have investigated the electronic structure of MnAs dots on GaAs (1 0 0) by photoemission spectroscopy. MnAs dots are grown on the S-passivated GaAs by MBE. The size of the dots is 15 nm. In the valence band photoemission spectra of MnAs dots, the Fermi edge disappears, and there is no spectral intensity at the Fermi level. In the Mn 2p core level spectra of MnAs dots, we have observed a satellite structure which also reflects the 3d electron localization in the MnAs dots.",

keywords = "Dots, MnAs, Photoemission",

author = "Kanta Ono and Masaki Mizuguchi and Takeshi Uragami and Hiroyuki Akinaga and Hiroshi Fujioka and Masaharu Oshima",

year = "2000",

doi = "10.1016/S0921-4526(99)02967-1",

language = "English",

volume = "284-288",

pages = "1778--1779",

journal = "Physica B: Condensed Matter",

issn = "0921-4526",

publisher = "Elsevier",

number = "PART II",

}

TY - JOUR

T1 - Electron localization in nanoscale MnAs dots on GaAs

T2 - A photoemission study

AU - Ono, Kanta

AU - Mizuguchi, Masaki

AU - Uragami, Takeshi

AU - Akinaga, Hiroyuki

AU - Fujioka, Hiroshi

AU - Oshima, Masaharu

PY - 2000

Y1 - 2000

N2 - We have investigated the electronic structure of MnAs dots on GaAs (1 0 0) by photoemission spectroscopy. MnAs dots are grown on the S-passivated GaAs by MBE. The size of the dots is 15 nm. In the valence band photoemission spectra of MnAs dots, the Fermi edge disappears, and there is no spectral intensity at the Fermi level. In the Mn 2p core level spectra of MnAs dots, we have observed a satellite structure which also reflects the 3d electron localization in the MnAs dots.

AB - We have investigated the electronic structure of MnAs dots on GaAs (1 0 0) by photoemission spectroscopy. MnAs dots are grown on the S-passivated GaAs by MBE. The size of the dots is 15 nm. In the valence band photoemission spectra of MnAs dots, the Fermi edge disappears, and there is no spectral intensity at the Fermi level. In the Mn 2p core level spectra of MnAs dots, we have observed a satellite structure which also reflects the 3d electron localization in the MnAs dots.

KW - Dots

KW - MnAs

KW - Photoemission

UR - http://www.scopus.com/inward/record.url?scp=0033704586&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0033704586&partnerID=8YFLogxK

U2 - 10.1016/S0921-4526(99)02967-1

DO - 10.1016/S0921-4526(99)02967-1

M3 - Article

AN - SCOPUS:0033704586

VL - 284-288

SP - 1778

EP - 1779

JO - Physica B: Condensed Matter

JF - Physica B: Condensed Matter

SN - 0921-4526

IS - PART II

ER -

Electron localization in nanoscale MnAs dots on GaAs: A photoemission study

Abstract

Keywords

ASJC Scopus subject areas

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