Better resolution of high-spin cobalt hyperfine at low frequency: Co-doped Ba(Zn1/3Ta2/3)O3 as a model complex

William E. Antholine; Shengke Zhang; Justin Gonzales; Nathan Newman

doi:10.3390/ijms19113532

Better resolution of high-spin cobalt hyperfine at low frequency: Co-doped Ba(Zn_1/3Ta_2/3)O₃ as a model complex

William E. Antholine, Shengke Zhang, Justin Gonzales, Nathan Newman

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

4 Scopus citations

Abstract

Low-frequency electron paramagnetic resonance (EPR) is used to extract the EPR parameter A-mid and support the approximate X-band value of g-mid for Ba(Co_y Zn_1/3−y Ta_2/3)O₃. Although the cobalt hyperfine structure for the |±1/2› state is often unresolved at X-band or S-band, it is resolved in measurements on this compound. This allows for detailed analysis of the molecular orbital for the |±1/2› state, which is often the ground state. Moreover, this work shows that the EPR parameters for Co substituted into Zn compounds give important insight into the properties of zinc binding sites.

Original language	English (US)
Article number	3532
Journal	International journal of molecular sciences
Volume	19
Issue number	11
DOIs	https://doi.org/10.3390/ijms19113532
State	Published - Nov 9 2018

Keywords

EPR
Electron paramagnetic resonance
High-spin cobalt complex
Multifrequency EPR
Resolution of A-mid

ASJC Scopus subject areas

Catalysis
Molecular Biology
Spectroscopy
Computer Science Applications
Physical and Theoretical Chemistry
Organic Chemistry
Inorganic Chemistry

Access to Document

10.3390/ijms19113532

Cite this

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title = "Better resolution of high-spin cobalt hyperfine at low frequency: Co-doped Ba(Zn1/3Ta2/3)O3 as a model complex",

abstract = "Low-frequency electron paramagnetic resonance (EPR) is used to extract the EPR parameter A-mid and support the approximate X-band value of g-mid for Ba(Coy Zn1/3−y Ta2/3)O3. Although the cobalt hyperfine structure for the |±1/2› state is often unresolved at X-band or S-band, it is resolved in measurements on this compound. This allows for detailed analysis of the molecular orbital for the |±1/2› state, which is often the ground state. Moreover, this work shows that the EPR parameters for Co substituted into Zn compounds give important insight into the properties of zinc binding sites.",

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AU - Newman, Nathan

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AB - Low-frequency electron paramagnetic resonance (EPR) is used to extract the EPR parameter A-mid and support the approximate X-band value of g-mid for Ba(Coy Zn1/3−y Ta2/3)O3. Although the cobalt hyperfine structure for the |±1/2› state is often unresolved at X-band or S-band, it is resolved in measurements on this compound. This allows for detailed analysis of the molecular orbital for the |±1/2› state, which is often the ground state. Moreover, this work shows that the EPR parameters for Co substituted into Zn compounds give important insight into the properties of zinc binding sites.

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