1994
DOI: 10.1016/0022-3093(94)90365-4
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The mechanism of photoinduced transformations in amorphous As2S3 thin films

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Cited by 23 publications
(11 citation statements)
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“…We observed that numerous microcrystals of As 2 O 3 were formed on the film surface after intense exposure as reported by various authors [13][14][15][16][17][18][19]. Although such a photo-oxidation reaction has been investigated in detail for a long time, there are still unknown phenomena.…”
Section: Introductionsupporting
confidence: 57%
See 1 more Smart Citation
“…We observed that numerous microcrystals of As 2 O 3 were formed on the film surface after intense exposure as reported by various authors [13][14][15][16][17][18][19]. Although such a photo-oxidation reaction has been investigated in detail for a long time, there are still unknown phenomena.…”
Section: Introductionsupporting
confidence: 57%
“…The microcrystals have a high content of O, indicating that a new phase of As 2 O 3 is formed on the film surface after illuminated with band-gap light. This phenomenon has already been reported by several research groups [13][14][15][16][17][18][19] and is caused by both photo-decomposition and photo-oxidation. On the other hand, we could not find microcrystals of Se or As in contrast to the case of As-S films [13,14].…”
Section: Resultsmentioning
confidence: 71%
“…The experiment was carried out by use of the identical experimental setup and conditions that were done in our previous work [16]. Although the observation of As 2 O 3 microcrystals has been reported by many authors [17][18][19][20][21][22][23], there is not such an attempt as done in the present work. Moreover, we discuss a distinct difference in these two photoinduced phenomena between Ag and Cu addition, which is attributed to the difference between bonding and electronic properties of AgSe and Cu-Se bonds in the glass network.…”
Section: Introductionmentioning
confidence: 92%
“…El proceso de fotodopaje se llevó a cabo iluminando las muestras con una lámpara de Hg de 200 W de potencia. Durante la exposición a la luz, las muestras se dispusieron entre dos substratos vítreos para evitar posibles fenó-menos de fotooxidación y de fotohidrólisis, en la superficie de las láminas calcogenuras (11)(12)(13).…”
Section: Procedimiento Experimentalunclassified