Influence of diamagnetic impurity on mid-IR absorption in antiferromagnetic insulator NiO

N. Mironova-Ulmane; A. Kuzmin; M. Cestelli Guidi; M. Piccinini; A. Marcelli

doi:10.1002/pssc.200460270

Influence of diamagnetic impurity on mid-IR absorption in antiferromagnetic insulator NiO

N. Mironova-Ulmane
, A. Kuzmin^*
, M. Cestelli Guidi
, M. Piccinini
, A. Marcelli

^*Corresponding author for this work

National Institute for Nuclear Physics
Roma Tre University

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

6 Citations (Scopus)

Abstract

The influence of diamagnetic magnesium impurities on the absorption band at ~2000 cm^-1 was studied in polycrystalline Ni_cMg _1-c solid solutions with c=0.99, 0.98, 0.97, 0.95, 0.90, 0.80, 0.70 and 0.60. The composition and temperature dependences of the absorption suggest that the band has magnetic origin related to simultaneous excitation of two-magnons at the Brillouin-zone boundary and one phonon.

Original language	English
Pages (from-to)	704-707
Number of pages	4
Journal	Physica Status Solidi C: Conferences
Volume	2
Issue number	1
DOIs	https://doi.org/10.1002/pssc.200460270
Publication status	Published - 2005

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abstract = "The influence of diamagnetic magnesium impurities on the absorption band at \textasciitilde{}2000 cm-1 was studied in polycrystalline NicMg 1-c solid solutions with c=0.99, 0.98, 0.97, 0.95, 0.90, 0.80, 0.70 and 0.60. The composition and temperature dependences of the absorption suggest that the band has magnetic origin related to simultaneous excitation of two-magnons at the Brillouin-zone boundary and one phonon.",

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AU - Mironova-Ulmane, N.

AU - Kuzmin, A.

AU - Guidi, M. Cestelli

AU - Piccinini, M.

AU - Marcelli, A.

PY - 2005

Y1 - 2005

N2 - The influence of diamagnetic magnesium impurities on the absorption band at ~2000 cm-1 was studied in polycrystalline NicMg 1-c solid solutions with c=0.99, 0.98, 0.97, 0.95, 0.90, 0.80, 0.70 and 0.60. The composition and temperature dependences of the absorption suggest that the band has magnetic origin related to simultaneous excitation of two-magnons at the Brillouin-zone boundary and one phonon.

AB - The influence of diamagnetic magnesium impurities on the absorption band at ~2000 cm-1 was studied in polycrystalline NicMg 1-c solid solutions with c=0.99, 0.98, 0.97, 0.95, 0.90, 0.80, 0.70 and 0.60. The composition and temperature dependences of the absorption suggest that the band has magnetic origin related to simultaneous excitation of two-magnons at the Brillouin-zone boundary and one phonon.

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DO - 10.1002/pssc.200460270

M3 - Article

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JO - Physica Status Solidi C: Conferences

JF - Physica Status Solidi C: Conferences

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ER -

Influence of diamagnetic impurity on mid-IR absorption in antiferromagnetic insulator NiO

Abstract

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