Two-dimensional correlation spectroscopy analysis of Raman spectra of NiO nanoparticles

Jin Qiu; Thi Huyen Nguyen; Seung Kim; Young Jin Lee; Meng Ting Song; Wen Juan Huang; Xiang Bai Chen; Thi Minh Hien Nguyen; In Sang Yang

doi:10.1016/j.saa.2022.121498

Two-dimensional correlation spectroscopy analysis of Raman spectra of NiO nanoparticles

Jin Qiu, Thi Huyen Nguyen, Seung Kim, Young Jin Lee, Meng Ting Song, Wen Juan Huang, Xiang Bai Chen, Thi Minh Hien Nguyen, In Sang Yang

Department of Physics

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

6 Scopus citations

Abstract

We report two-dimensional correlation spectroscopy (2D-COS) analyses of the Raman spectra of NiO nanoparticles over a temperature range from 100 to 300 K. 2D-Raman correlation spectra suggest strong correlation of the phonon spectral intensity variation with the magnetic ordering in NiO nanoparticles. It is revealed that the antiferromagnetic ordering affects the TO phonon anisotropy in NiO nanoparticles. We elucidate the complex spectral features of two-magnon (2 M) bands by performing appropriate 2D-COS model simulations. Significant spin-phonon coupling in NiO nanoparticles is supported by our results. High energy magnon-magnon interaction tails are also found to be involved in the spin-phonon coupling. 2D-COS analyses provide rich information regarding the nature of the phonon and magnon excitations of NiO nanoparticles.

Original language	English
Article number	121498
Journal	Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy
Volume	280
DOIs	https://doi.org/10.1016/j.saa.2022.121498
State	Published - 5 Nov 2022

Bibliographical note

Funding Information:
The measurements in this work were supported by Korea Basic Science Institute (National Research Facilities and Equipment Center) grant funded by the Ministry of Education (2020R 1A 6C 101B194). I.S.Y. acknowledges the financial support by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education (2021R1A6A1A10039823). X.B.C. was supported by National Natural Science Foundation of China (Grant Nos. 51902227, 11574241).

Publisher Copyright:
© 2022

Keywords

NiO nanoparticles
Phonon anisotropy
Raman spectra
Spin-phonon coupling
Two-dimensional correlation spectroscopy

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10.1016/j.saa.2022.121498

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title = "Two-dimensional correlation spectroscopy analysis of Raman spectra of NiO nanoparticles",

abstract = "We report two-dimensional correlation spectroscopy (2D-COS) analyses of the Raman spectra of NiO nanoparticles over a temperature range from 100 to 300 K. 2D-Raman correlation spectra suggest strong correlation of the phonon spectral intensity variation with the magnetic ordering in NiO nanoparticles. It is revealed that the antiferromagnetic ordering affects the TO phonon anisotropy in NiO nanoparticles. We elucidate the complex spectral features of two-magnon (2 M) bands by performing appropriate 2D-COS model simulations. Significant spin-phonon coupling in NiO nanoparticles is supported by our results. High energy magnon-magnon interaction tails are also found to be involved in the spin-phonon coupling. 2D-COS analyses provide rich information regarding the nature of the phonon and magnon excitations of NiO nanoparticles.",

keywords = "NiO nanoparticles, Phonon anisotropy, Raman spectra, Spin-phonon coupling, Two-dimensional correlation spectroscopy",

author = "Jin Qiu and Nguyen, {Thi Huyen} and Seung Kim and Lee, {Young Jin} and Song, {Meng Ting} and Huang, {Wen Juan} and Chen, {Xiang Bai} and Nguyen, {Thi Minh Hien} and Yang, {In Sang}",

note = "Funding Information: The measurements in this work were supported by Korea Basic Science Institute (National Research Facilities and Equipment Center) grant funded by the Ministry of Education (2020R 1A 6C 101B194). I.S.Y. acknowledges the financial support by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education (2021R1A6A1A10039823). X.B.C. was supported by National Natural Science Foundation of China (Grant Nos. 51902227, 11574241). Publisher Copyright: {\textcopyright} 2022",

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AU - Qiu, Jin

AU - Nguyen, Thi Huyen

AU - Kim, Seung

AU - Lee, Young Jin

AU - Song, Meng Ting

AU - Huang, Wen Juan

AU - Chen, Xiang Bai

AU - Nguyen, Thi Minh Hien

AU - Yang, In Sang

N1 - Funding Information: The measurements in this work were supported by Korea Basic Science Institute (National Research Facilities and Equipment Center) grant funded by the Ministry of Education (2020R 1A 6C 101B194). I.S.Y. acknowledges the financial support by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education (2021R1A6A1A10039823). X.B.C. was supported by National Natural Science Foundation of China (Grant Nos. 51902227, 11574241). Publisher Copyright: © 2022

PY - 2022/11/5

Y1 - 2022/11/5

N2 - We report two-dimensional correlation spectroscopy (2D-COS) analyses of the Raman spectra of NiO nanoparticles over a temperature range from 100 to 300 K. 2D-Raman correlation spectra suggest strong correlation of the phonon spectral intensity variation with the magnetic ordering in NiO nanoparticles. It is revealed that the antiferromagnetic ordering affects the TO phonon anisotropy in NiO nanoparticles. We elucidate the complex spectral features of two-magnon (2 M) bands by performing appropriate 2D-COS model simulations. Significant spin-phonon coupling in NiO nanoparticles is supported by our results. High energy magnon-magnon interaction tails are also found to be involved in the spin-phonon coupling. 2D-COS analyses provide rich information regarding the nature of the phonon and magnon excitations of NiO nanoparticles.

AB - We report two-dimensional correlation spectroscopy (2D-COS) analyses of the Raman spectra of NiO nanoparticles over a temperature range from 100 to 300 K. 2D-Raman correlation spectra suggest strong correlation of the phonon spectral intensity variation with the magnetic ordering in NiO nanoparticles. It is revealed that the antiferromagnetic ordering affects the TO phonon anisotropy in NiO nanoparticles. We elucidate the complex spectral features of two-magnon (2 M) bands by performing appropriate 2D-COS model simulations. Significant spin-phonon coupling in NiO nanoparticles is supported by our results. High energy magnon-magnon interaction tails are also found to be involved in the spin-phonon coupling. 2D-COS analyses provide rich information regarding the nature of the phonon and magnon excitations of NiO nanoparticles.

KW - NiO nanoparticles

KW - Phonon anisotropy

KW - Raman spectra

KW - Spin-phonon coupling

KW - Two-dimensional correlation spectroscopy

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JO - Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy

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ER -

Two-dimensional correlation spectroscopy analysis of Raman spectra of NiO nanoparticles

Abstract

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