Ultrafast photoinduced reflectivity transients in doped manganite

Y. H. Ren; H. B. Zhao; G. Lüpke; C. S. Hong; N. H. Hur; Y. F. Hu; Qi Li

doi:10.1063/1.1755661

Ultrafast photoinduced reflectivity transients in doped manganite

Y. H. Ren, H. B. Zhao, G. Lüpke, C. S. Hong, N. H. Hur, Y. F. Hu, Qi Li

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

7 Scopus citations

Abstract

The investigation of the spin and quasiparticle relaxation dynamics in LMCO and LMO single crystals and thin films was discussed. It was suggested that quasiparticle relaxation rate is governed by the temperature and magnetic field dependent pseudogap in LCMO and by the temperature independent Jahn-teller distortion gap in LCMO. It was observed that the magnetic field induced increase of spectral weight in the pseudogap affects both the quasiparticle and spin relaxation dynamics in LCMO. The result shows that the coupled dynamics of the charge, spin and lattice is strongly correlated with distinct gap structures in these manganites.

Original language	English (US)
Pages (from-to)	436-440
Number of pages	5
Journal	Journal of Chemical Physics
Volume	121
Issue number	1
DOIs	https://doi.org/10.1063/1.1755661
State	Published - Jul 1 2004

All Science Journal Classification (ASJC) codes

General Physics and Astronomy
Physical and Theoretical Chemistry

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abstract = "The investigation of the spin and quasiparticle relaxation dynamics in LMCO and LMO single crystals and thin films was discussed. It was suggested that quasiparticle relaxation rate is governed by the temperature and magnetic field dependent pseudogap in LCMO and by the temperature independent Jahn-teller distortion gap in LCMO. It was observed that the magnetic field induced increase of spectral weight in the pseudogap affects both the quasiparticle and spin relaxation dynamics in LCMO. The result shows that the coupled dynamics of the charge, spin and lattice is strongly correlated with distinct gap structures in these manganites.",

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T1 - Ultrafast photoinduced reflectivity transients in doped manganite

AU - Ren, Y. H.

AU - Zhao, H. B.

AU - Lüpke, G.

AU - Hong, C. S.

AU - Hur, N. H.

AU - Hu, Y. F.

AU - Li, Qi

PY - 2004/7/1

Y1 - 2004/7/1

N2 - The investigation of the spin and quasiparticle relaxation dynamics in LMCO and LMO single crystals and thin films was discussed. It was suggested that quasiparticle relaxation rate is governed by the temperature and magnetic field dependent pseudogap in LCMO and by the temperature independent Jahn-teller distortion gap in LCMO. It was observed that the magnetic field induced increase of spectral weight in the pseudogap affects both the quasiparticle and spin relaxation dynamics in LCMO. The result shows that the coupled dynamics of the charge, spin and lattice is strongly correlated with distinct gap structures in these manganites.

AB - The investigation of the spin and quasiparticle relaxation dynamics in LMCO and LMO single crystals and thin films was discussed. It was suggested that quasiparticle relaxation rate is governed by the temperature and magnetic field dependent pseudogap in LCMO and by the temperature independent Jahn-teller distortion gap in LCMO. It was observed that the magnetic field induced increase of spectral weight in the pseudogap affects both the quasiparticle and spin relaxation dynamics in LCMO. The result shows that the coupled dynamics of the charge, spin and lattice is strongly correlated with distinct gap structures in these manganites.

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Ultrafast photoinduced reflectivity transients in doped manganite

Abstract

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