Journal of Alloys and Compounds, volume 346, issue 1-2, pages 129-133

XAS spectra of Ce2[MnN3] at the Ce-M4,5, Ce-L3, Mn-L2,3 and N-K thresholds

Rainer Niewa 1
Zhi-Wei Hu 2
C. Grazioli 3
Ulrich K. Rößler 3
Mark Golden 3
Martin Knupfer 3
J. Fink 3
H. Giefers 4
G. Wortmann 4
F. M. F DE GROOT 5
F. J. DiSalvo 6
Publication typeJournal Article
Publication date2002-11-01
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor6.2
ISSN09258388
Materials Chemistry
Metals and Alloys
Mechanical Engineering
Mechanics of Materials
Abstract
The X-ray absorption spectroscopy at the Ce-M-4.5, Ce-L-3, Mn-L-2,L-3 and N-K thresholds was used to study the electronic and magnetic structure of the recently obtained Ce-2[MnN3]. Manganese is found to be in a state similar to that in eta-Mn3N2, with strong covalency between Mn and N. The multiple peaked structure in the Ce-M-4.5 and Ce-L-3 XAS spectra indicates that the valence state of cerium in Ce-2[MnN3] is only slightly lower than that found in CeO2 containing Ce-IV with a strong covalent mixture between Ce 4f and ligand 2p states. By simulating the Ce-L-3 XAS spectrum using a simplified Anderson impurity model the 4f occupancy was found to be 0.52 for Ce-2 [MnN3] compared to 0.49 for CeO2 in the ground state. (C) 2002 Elsevier Science B.V. All rights reserved.

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Niewa R. et al. XAS spectra of Ce2[MnN3] at the Ce-M4,5, Ce-L3, Mn-L2,3 and N-K thresholds // Journal of Alloys and Compounds. 2002. Vol. 346. No. 1-2. pp. 129-133.
GOST all authors (up to 50) Copy
Niewa R., Hu Z., Grazioli C., Rößler U. K., Golden M., Knupfer M., Fink J., Giefers H., Wortmann G., DE GROOT F. M. F., DiSalvo F. J. XAS spectra of Ce2[MnN3] at the Ce-M4,5, Ce-L3, Mn-L2,3 and N-K thresholds // Journal of Alloys and Compounds. 2002. Vol. 346. No. 1-2. pp. 129-133.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1016/S0925-8388(02)00519-4
UR - https://doi.org/10.1016/S0925-8388(02)00519-4
TI - XAS spectra of Ce2[MnN3] at the Ce-M4,5, Ce-L3, Mn-L2,3 and N-K thresholds
T2 - Journal of Alloys and Compounds
AU - Niewa, Rainer
AU - Hu, Zhi-Wei
AU - Grazioli, C.
AU - Rößler, Ulrich K.
AU - Golden, Mark
AU - Knupfer, Martin
AU - Fink, J.
AU - Giefers, H.
AU - Wortmann, G.
AU - DE GROOT, F. M. F
AU - DiSalvo, F. J.
PY - 2002
DA - 2002/11/01 00:00:00
PB - Elsevier
SP - 129-133
IS - 1-2
VL - 346
SN - 0925-8388
ER -
BibTex |
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BibTex Copy
@article{2002_Niewa,
author = {Rainer Niewa and Zhi-Wei Hu and C. Grazioli and Ulrich K. Rößler and Mark Golden and Martin Knupfer and J. Fink and H. Giefers and G. Wortmann and F. M. F DE GROOT and F. J. DiSalvo},
title = {XAS spectra of Ce2[MnN3] at the Ce-M4,5, Ce-L3, Mn-L2,3 and N-K thresholds},
journal = {Journal of Alloys and Compounds},
year = {2002},
volume = {346},
publisher = {Elsevier},
month = {nov},
url = {https://doi.org/10.1016/S0925-8388(02)00519-4},
number = {1-2},
pages = {129--133},
doi = {10.1016/S0925-8388(02)00519-4}
}
MLA
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MLA Copy
Niewa, Rainer, et al. “XAS spectra of Ce2[MnN3] at the Ce-M4,5, Ce-L3, Mn-L2,3 and N-K thresholds.” Journal of Alloys and Compounds, vol. 346, no. 1-2, Nov. 2002, pp. 129-133. https://doi.org/10.1016/S0925-8388(02)00519-4.
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