Use of electron-energy loss near-edge fine structure in the study of minerals

L. A.J. Garvie; A. J. Craven; R. Brydson

Use of electron-energy loss near-edge fine structure in the study of minerals

L. A.J. Garvie, A. J. Craven, R. Brydson

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

Abstract

High-resolution electron-energy loss near-edge fine structure (ELNES) recorded in a scanning transmission electron microscope (STEM) is shown to provide information on the local structure and bonding of specific types of atoms in minerals. The L_2.3 ELNES from Fe (Fe²⁺ and Fe³⁺), Mn (Mn²⁺, Mn³⁺, and Mn⁴⁺), and Cr (Cr³⁺ and Cr⁶⁺) show valence-specific multiplet structures that can be used as valence fingerprints. In general, the L₃ edge for a specific 3d transition metal exhibits a chemical shift toward higher energy losses with an increase in oxidation state. Examples of mixed valence Fe- and Mn-bearing minerals are presented where the presence of multiple valence states is distinguished by a splitting of the L₃ edge. -from Authors

Original language	English (US)
Pages (from-to)	411-425
Number of pages	15
Journal	American Mineralogist
Volume	79
Issue number	5-6
State	Published - 1994
Externally published	Yes

ASJC Scopus subject areas

Geophysics
Geochemistry and Petrology

Cite this

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title = "Use of electron-energy loss near-edge fine structure in the study of minerals",

abstract = "High-resolution electron-energy loss near-edge fine structure (ELNES) recorded in a scanning transmission electron microscope (STEM) is shown to provide information on the local structure and bonding of specific types of atoms in minerals. The L2.3 ELNES from Fe (Fe2+ and Fe3+), Mn (Mn2+, Mn3+, and Mn4+), and Cr (Cr3+ and Cr6+) show valence-specific multiplet structures that can be used as valence fingerprints. In general, the L3 edge for a specific 3d transition metal exhibits a chemical shift toward higher energy losses with an increase in oxidation state. Examples of mixed valence Fe- and Mn-bearing minerals are presented where the presence of multiple valence states is distinguished by a splitting of the L3 edge. -from Authors",

author = "Garvie, {L. A.J.} and Craven, {A. J.} and R. Brydson",

year = "1994",

language = "English (US)",

volume = "79",

pages = "411--425",

journal = "American Mineralogist",

issn = "0003-004X",

publisher = "Mineralogical Society of America",

number = "5-6",

}

TY - JOUR

T1 - Use of electron-energy loss near-edge fine structure in the study of minerals

AU - Garvie, L. A.J.

AU - Craven, A. J.

AU - Brydson, R.

PY - 1994

Y1 - 1994

N2 - High-resolution electron-energy loss near-edge fine structure (ELNES) recorded in a scanning transmission electron microscope (STEM) is shown to provide information on the local structure and bonding of specific types of atoms in minerals. The L2.3 ELNES from Fe (Fe2+ and Fe3+), Mn (Mn2+, Mn3+, and Mn4+), and Cr (Cr3+ and Cr6+) show valence-specific multiplet structures that can be used as valence fingerprints. In general, the L3 edge for a specific 3d transition metal exhibits a chemical shift toward higher energy losses with an increase in oxidation state. Examples of mixed valence Fe- and Mn-bearing minerals are presented where the presence of multiple valence states is distinguished by a splitting of the L3 edge. -from Authors

AB - High-resolution electron-energy loss near-edge fine structure (ELNES) recorded in a scanning transmission electron microscope (STEM) is shown to provide information on the local structure and bonding of specific types of atoms in minerals. The L2.3 ELNES from Fe (Fe2+ and Fe3+), Mn (Mn2+, Mn3+, and Mn4+), and Cr (Cr3+ and Cr6+) show valence-specific multiplet structures that can be used as valence fingerprints. In general, the L3 edge for a specific 3d transition metal exhibits a chemical shift toward higher energy losses with an increase in oxidation state. Examples of mixed valence Fe- and Mn-bearing minerals are presented where the presence of multiple valence states is distinguished by a splitting of the L3 edge. -from Authors

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AN - SCOPUS:0028578928

SN - 0003-004X

VL - 79

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JO - American Mineralogist

JF - American Mineralogist

IS - 5-6

ER -

Use of electron-energy loss near-edge fine structure in the study of minerals

Abstract

ASJC Scopus subject areas

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