Atomic-scale studies of the electronic structure of ceramic/metal interfaces: {222}MgO/Cu

D. A. Muller; D. A. Shashkov; R. Benedek; L. H. Yang; J. Silcox; D. N. Seidman

Atomic-scale studies of the electronic structure of ceramic/metal interfaces: {222}MgO/Cu

D. A. Muller^*, D. A. Shashkov, R. Benedek, L. H. Yang, J. Silcox, D. N. Seidman

^*Corresponding author for this work

Materials Science and Engineering

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

6 Scopus citations

Abstract

{222} MgO/Cu interfaces produced by internal oxidation are studied by electron energy loss spectroscopy (EELS) using an atomic sized electron beam. We determine interfacial chemistry of this interface with subnanometer spatial resolution and use EELS to measure directly the electronic states pertaining to the buried interface. The O-K edge gives evidence of metal-induced gap states (MIGS) within the bandgap of MgO, at the interface, which we find to be O terminated. Both experiment and ab initio calculations show the MIGS to be strongly localized at the interface.

Original language	English (US)
Pages (from-to)	99-102
Number of pages	4
Journal	Materials Science Forum
Volume	294-296
State	Published - 1999

Keywords

Ceramic/Metal Heterophase Interfaces
Electron Energy Loss Spectroscopy
Electronic Structure of Interfaces
Local Density Functional Theory
{111}MgO/Cu Heterophase Interfaces

ASJC Scopus subject areas

General Materials Science
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

Cite this

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title = "Atomic-scale studies of the electronic structure of ceramic/metal interfaces: {222}MgO/Cu",

abstract = "{222} MgO/Cu interfaces produced by internal oxidation are studied by electron energy loss spectroscopy (EELS) using an atomic sized electron beam. We determine interfacial chemistry of this interface with subnanometer spatial resolution and use EELS to measure directly the electronic states pertaining to the buried interface. The O-K edge gives evidence of metal-induced gap states (MIGS) within the bandgap of MgO, at the interface, which we find to be O terminated. Both experiment and ab initio calculations show the MIGS to be strongly localized at the interface.",

keywords = "Ceramic/Metal Heterophase Interfaces, Electron Energy Loss Spectroscopy, Electronic Structure of Interfaces, Local Density Functional Theory, {111}MgO/Cu Heterophase Interfaces",

author = "Muller, {D. A.} and Shashkov, {D. A.} and R. Benedek and Yang, {L. H.} and J. Silcox and Seidman, {D. N.}",

year = "1999",

language = "English (US)",

volume = "294-296",

pages = "99--102",

journal = "Materials Science Forum",

issn = "0255-5476",

publisher = "Trans Tech Publications Ltd",

}

TY - JOUR

T1 - Atomic-scale studies of the electronic structure of ceramic/metal interfaces

T2 - {222}MgO/Cu

AU - Muller, D. A.

AU - Shashkov, D. A.

AU - Benedek, R.

AU - Yang, L. H.

AU - Silcox, J.

AU - Seidman, D. N.

PY - 1999

Y1 - 1999

N2 - {222} MgO/Cu interfaces produced by internal oxidation are studied by electron energy loss spectroscopy (EELS) using an atomic sized electron beam. We determine interfacial chemistry of this interface with subnanometer spatial resolution and use EELS to measure directly the electronic states pertaining to the buried interface. The O-K edge gives evidence of metal-induced gap states (MIGS) within the bandgap of MgO, at the interface, which we find to be O terminated. Both experiment and ab initio calculations show the MIGS to be strongly localized at the interface.

AB - {222} MgO/Cu interfaces produced by internal oxidation are studied by electron energy loss spectroscopy (EELS) using an atomic sized electron beam. We determine interfacial chemistry of this interface with subnanometer spatial resolution and use EELS to measure directly the electronic states pertaining to the buried interface. The O-K edge gives evidence of metal-induced gap states (MIGS) within the bandgap of MgO, at the interface, which we find to be O terminated. Both experiment and ab initio calculations show the MIGS to be strongly localized at the interface.

KW - Ceramic/Metal Heterophase Interfaces

KW - Electron Energy Loss Spectroscopy

KW - Electronic Structure of Interfaces

KW - Local Density Functional Theory

KW - {111}MgO/Cu Heterophase Interfaces

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M3 - Article

AN - SCOPUS:4243637027

SN - 0255-5476

VL - 294-296

SP - 99

EP - 102

JO - Materials Science Forum

JF - Materials Science Forum

ER -

Atomic-scale studies of the electronic structure of ceramic/metal interfaces: {222}MgO/Cu

Abstract

Keywords

ASJC Scopus subject areas

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