Optical and magnetic properties induced by structural confinement of ternary chalcogenide in AlMCM-41 nanotube

Weon Sik Chae; In Wook Hwang; Jin Seung Jung; Yong Rok Kim

doi:10.1016/S0009-2614(01)00487-0

Optical and magnetic properties induced by structural confinement of ternary chalcogenide in AlMCM-41 nanotube

Weon Sik Chae, In Wook Hwang, Jin Seung Jung, Yong Rok Kim

Department of Chemistry

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

9 Citations (Scopus)

Abstract

For ternary chalcogenide, Ni₃(SbTe₃)₂, with the potential applications of magnetic and opto-magnetic storage media, we investigated the properties induced by the incorporation of ternary chalcogenide into long range ordered mesoporous AlMCM-41. Structural confinement in the mesoporous channel induces the enhanced crystallinity of the ternary chalcogenide and is possibly responsible for the observed weak ferromagnetic transition (~70 K). Such confinement also causes the suppression of phonon coupling to photoexcited carriers in the confined ternary chalcogenide, resulting narrower photoluminescence (PL) band and slower PL lifetime than those of the bulk ternary chalcogenide.

Original language	English
Pages (from-to)	279-284
Number of pages	6
Journal	Chemical Physics Letters
Volume	341
Issue number	3-4
DOIs	https://doi.org/10.1016/S0009-2614(01)00487-0
Publication status	Published - 2001 Jun 22

Bibliographical note

Funding Information:
We gratefully acknowledge the financial support by grant no. 1999-2-121-004-5 from the interdisciplinary research program of the KOSEF. We thank to Prof. Charles J. O'Connor in Advanced Materials Research Institute (AMRI), University of New Orleans, for the SQUID measurement.

All Science Journal Classification (ASJC) codes

Physics and Astronomy(all)
Physical and Theoretical Chemistry

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10.1016/S0009-2614(01)00487-0

Cite this

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title = "Optical and magnetic properties induced by structural confinement of ternary chalcogenide in AlMCM-41 nanotube",

abstract = "For ternary chalcogenide, Ni3(SbTe3)2, with the potential applications of magnetic and opto-magnetic storage media, we investigated the properties induced by the incorporation of ternary chalcogenide into long range ordered mesoporous AlMCM-41. Structural confinement in the mesoporous channel induces the enhanced crystallinity of the ternary chalcogenide and is possibly responsible for the observed weak ferromagnetic transition (~70 K). Such confinement also causes the suppression of phonon coupling to photoexcited carriers in the confined ternary chalcogenide, resulting narrower photoluminescence (PL) band and slower PL lifetime than those of the bulk ternary chalcogenide.",

author = "Chae, {Weon Sik} and Hwang, {In Wook} and Jung, {Jin Seung} and Kim, {Yong Rok}",

note = "Funding Information: We gratefully acknowledge the financial support by grant no. 1999-2-121-004-5 from the interdisciplinary research program of the KOSEF. We thank to Prof. Charles J. O'Connor in Advanced Materials Research Institute (AMRI), University of New Orleans, for the SQUID measurement.",

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AU - Chae, Weon Sik

AU - Hwang, In Wook

AU - Jung, Jin Seung

AU - Kim, Yong Rok

N1 - Funding Information: We gratefully acknowledge the financial support by grant no. 1999-2-121-004-5 from the interdisciplinary research program of the KOSEF. We thank to Prof. Charles J. O'Connor in Advanced Materials Research Institute (AMRI), University of New Orleans, for the SQUID measurement.

PY - 2001/6/22

Y1 - 2001/6/22

N2 - For ternary chalcogenide, Ni3(SbTe3)2, with the potential applications of magnetic and opto-magnetic storage media, we investigated the properties induced by the incorporation of ternary chalcogenide into long range ordered mesoporous AlMCM-41. Structural confinement in the mesoporous channel induces the enhanced crystallinity of the ternary chalcogenide and is possibly responsible for the observed weak ferromagnetic transition (~70 K). Such confinement also causes the suppression of phonon coupling to photoexcited carriers in the confined ternary chalcogenide, resulting narrower photoluminescence (PL) band and slower PL lifetime than those of the bulk ternary chalcogenide.

AB - For ternary chalcogenide, Ni3(SbTe3)2, with the potential applications of magnetic and opto-magnetic storage media, we investigated the properties induced by the incorporation of ternary chalcogenide into long range ordered mesoporous AlMCM-41. Structural confinement in the mesoporous channel induces the enhanced crystallinity of the ternary chalcogenide and is possibly responsible for the observed weak ferromagnetic transition (~70 K). Such confinement also causes the suppression of phonon coupling to photoexcited carriers in the confined ternary chalcogenide, resulting narrower photoluminescence (PL) band and slower PL lifetime than those of the bulk ternary chalcogenide.

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Optical and magnetic properties induced by structural confinement of ternary chalcogenide in AlMCM-41 nanotube

Abstract

Bibliographical note

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