Pressure-And photoinduced transformation into a metastable phase in RbMn[Fe(CN)6]

Y. Moritomo; M. Hanawa; Y. Ohishi; K. Kato; M. Takata; A. Kuriki; E. Nishibori; M. Sakata; S. Ohkoshi; H. Tokoro; K. Hashimoto

doi:10.1103/PhysRevB.68.144106

Pressure-And photoinduced transformation into a metastable phase in RbMn[Fe(CN)₆]

Y. Moritomo, M. Hanawa, Y. Ohishi, K. Kato, M. Takata, A. Kuriki, E. Nishibori, M. Sakata, S. Ohkoshi, H. Tokoro, K. Hashimoto

Center for Advanced Microscopy and Spectroscopy

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

76 Citations (Scopus)

Abstract

Pressure and photoirradiation effects on the structural properties were investigated for a transition metal cyanide, RbMn[Fe(CN)₆], with perovskitelike structure by means of high-angle resolved synchrotron-radiation x-ray powder diffraction. We have found that (1) photoirradiation by a 532-nm pulse laser at 91 K and (2) application of hydrostatic pressure to about 2 GPa at 300 K change the system from the tetragonal low-temperature phase (I4^¯m2; Z=2) to a metastable state with different crystal symmetry (P4^¯n2; Z=2). We discuss the difference between the photoinduced and pressure-induced processes and suggest possible origin for the photoinduced demagnetization.

Original language	English
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	68
Issue number	14
DOIs	https://doi.org/10.1103/PhysRevB.68.144106
Publication status	Published - 2003

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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Pressure-And photoinduced transformation into a metastable phase in RbMn[Fe(CN)₆]. / Moritomo, Y.; Hanawa, M.; Ohishi, Y.; Kato, K.; Takata, M.; Kuriki, A.; Nishibori, E.; Sakata, M.; Ohkoshi, S.; Tokoro, H.; Hashimoto, K.

In: Physical Review B - Condensed Matter and Materials Physics, Vol. 68, No. 14, 2003.

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

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abstract = "Pressure and photoirradiation effects on the structural properties were investigated for a transition metal cyanide, RbMn[Fe(CN)6], with perovskitelike structure by means of high-angle resolved synchrotron-radiation x-ray powder diffraction. We have found that (1) photoirradiation by a 532-nm pulse laser at 91 K and (2) application of hydrostatic pressure to about 2 GPa at 300 K change the system from the tetragonal low-temperature phase (I4¯m2; Z=2) to a metastable state with different crystal symmetry (P4¯n2; Z=2). We discuss the difference between the photoinduced and pressure-induced processes and suggest possible origin for the photoinduced demagnetization.",

author = "Y. Moritomo and M. Hanawa and Y. Ohishi and K. Kato and M. Takata and A. Kuriki and E. Nishibori and M. Sakata and S. Ohkoshi and H. Tokoro and K. Hashimoto",

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T1 - Pressure-And photoinduced transformation into a metastable phase in RbMn[Fe(CN)6]

AU - Moritomo, Y.

AU - Hanawa, M.

AU - Ohishi, Y.

AU - Kato, K.

AU - Takata, M.

AU - Kuriki, A.

AU - Nishibori, E.

AU - Sakata, M.

AU - Ohkoshi, S.

AU - Tokoro, H.

AU - Hashimoto, K.

PY - 2003

Y1 - 2003

N2 - Pressure and photoirradiation effects on the structural properties were investigated for a transition metal cyanide, RbMn[Fe(CN)6], with perovskitelike structure by means of high-angle resolved synchrotron-radiation x-ray powder diffraction. We have found that (1) photoirradiation by a 532-nm pulse laser at 91 K and (2) application of hydrostatic pressure to about 2 GPa at 300 K change the system from the tetragonal low-temperature phase (I4¯m2; Z=2) to a metastable state with different crystal symmetry (P4¯n2; Z=2). We discuss the difference between the photoinduced and pressure-induced processes and suggest possible origin for the photoinduced demagnetization.

AB - Pressure and photoirradiation effects on the structural properties were investigated for a transition metal cyanide, RbMn[Fe(CN)6], with perovskitelike structure by means of high-angle resolved synchrotron-radiation x-ray powder diffraction. We have found that (1) photoirradiation by a 532-nm pulse laser at 91 K and (2) application of hydrostatic pressure to about 2 GPa at 300 K change the system from the tetragonal low-temperature phase (I4¯m2; Z=2) to a metastable state with different crystal symmetry (P4¯n2; Z=2). We discuss the difference between the photoinduced and pressure-induced processes and suggest possible origin for the photoinduced demagnetization.

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