Photoinduced Phenomena in Nano-Dimensional Glassy As2S3 Films

I. Abdulhalim; M. Gelbaor; M. Klebanov; V. Lyubin

doi:10.1364/OME.1.001192

Photoinduced Phenomena in Nano-Dimensional Glassy As₂S₃ Films

I. Abdulhalim, M. Gelbaor, M. Klebanov, V. Lyubin

Department of Physics

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

38 Scopus citations

Abstract

Photoinduced anisotropy in nano-dimensional (ND) thin films (<50nm thick) of chalcogenide glasses is observed for the first time. Results of photoinduced dichroism and photodarkening effect in 10, 20, 50 and 100 nm glassy As₂S₃ films are presented and compared with photoinduced phenomena in thick films (>1μm). ND As₂S₃ films are shown to function also as efficient photoresists. Preliminary model based on two exponential rate processes involving defects generation and stabilization is proposed explaining the main features of the photoinduced phenomena. These observations widen the range of applications of chalcogenide glassy films such as for higher capacity of optical data storage and for the photoalignment of liquid crystals.

Original language	English
Pages (from-to)	1192-1201
Number of pages	10
Journal	Optical Materials Express
Volume	1
Issue number	7
DOIs	https://doi.org/10.1364/OME.1.001192
State	Published - 5 Oct 2011

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials

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title = "Photoinduced Phenomena in Nano-Dimensional Glassy As2S3 Films",

abstract = "Photoinduced anisotropy in nano-dimensional (ND) thin films (<50nm thick) of chalcogenide glasses is observed for the first time. Results of photoinduced dichroism and photodarkening effect in 10, 20, 50 and 100 nm glassy As2S3 films are presented and compared with photoinduced phenomena in thick films (>1μm). ND As2S3 films are shown to function also as efficient photoresists. Preliminary model based on two exponential rate processes involving defects generation and stabilization is proposed explaining the main features of the photoinduced phenomena. These observations widen the range of applications of chalcogenide glassy films such as for higher capacity of optical data storage and for the photoalignment of liquid crystals.",

author = "I. Abdulhalim and M. Gelbaor and M. Klebanov and V. Lyubin",

note = "Funding Information: This work is supported partially by the Ministry of Science under the Israel-Russia research collaboration program. Publisher Copyright: {\textcopyright} 2011 Optical Society of America",

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AU - Gelbaor, M.

AU - Klebanov, M.

AU - Lyubin, V.

PY - 2011/10/5

Y1 - 2011/10/5

N2 - Photoinduced anisotropy in nano-dimensional (ND) thin films (<50nm thick) of chalcogenide glasses is observed for the first time. Results of photoinduced dichroism and photodarkening effect in 10, 20, 50 and 100 nm glassy As2S3 films are presented and compared with photoinduced phenomena in thick films (>1μm). ND As2S3 films are shown to function also as efficient photoresists. Preliminary model based on two exponential rate processes involving defects generation and stabilization is proposed explaining the main features of the photoinduced phenomena. These observations widen the range of applications of chalcogenide glassy films such as for higher capacity of optical data storage and for the photoalignment of liquid crystals.

AB - Photoinduced anisotropy in nano-dimensional (ND) thin films (<50nm thick) of chalcogenide glasses is observed for the first time. Results of photoinduced dichroism and photodarkening effect in 10, 20, 50 and 100 nm glassy As2S3 films are presented and compared with photoinduced phenomena in thick films (>1μm). ND As2S3 films are shown to function also as efficient photoresists. Preliminary model based on two exponential rate processes involving defects generation and stabilization is proposed explaining the main features of the photoinduced phenomena. These observations widen the range of applications of chalcogenide glassy films such as for higher capacity of optical data storage and for the photoalignment of liquid crystals.

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Photoinduced Phenomena in Nano-Dimensional Glassy As₂S₃ Films

Abstract

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