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Crystallization at initial stage of low-temperature polycrystalline silicon growth using ZnS buffer layer with 〈111〉 preferred orientation (1994)

Matsumoto, T. ; Nagahiro, Y. ; Nasu, Y. ; [et al.]

Woodbury, NY : American Institute of Physics (AIP)

Applied Physics Letters 65 (1994), S. 1549-1551

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ISSN: 1077-3118

Source: AIP Digital Archive

Topics: Physics

Notes: We developed a low-temperature growth technique for polycrystalline silicon (poly-Si). When Si is deposited on glass substrates at 450 °C, it crystallizes as thickness increases, but 10-nm-thick layers of Si are mainly amorphous. Use of a ZnS buffer layer with 〈111〉 preferred orientation facilities crystallization of Si during the initial growth stages. The preferred orientation of poly-Si on glass substrates is 〈110〉, while that of poly-Si on the ZnS buffer layer is 〈111〉. This is probably due to local epitaxial growth on polycrystalline ZnS grains with 〈111〉 preferred orientation. Raman spectroscopy showed that the ZnS buffer layer significantly improved the crystallinity of 25-nm-thick Si layers.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1063/1.112940

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Chronic myeloid leukemia presenting ALL-type BCR/ABL transcript (1994)

Kunieda, Y. ; Okabe, M. ; Kurosawa, M. ; [et al.]

Springer

Annals of hematology 69 (1994), S. 189-193

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ISSN: 1432-0584

Keywords: Philadelphia chromosome Chronic myeloid leukemia ; Ph1-positive leukemia ALL-typebcr/abl mRNA ; P190 bcr/abl Thrombocytosis ; Myelofibrosis

Source: Springer Online Journal Archives 1860-2000

Topics: Medicine

Notes: Summary We investigated the breakpoints of thebcr gene in 46 Ph1-positive CML cases by Southern blot analysis ofbcr rearrangement, and in 17 CML cases by a combination of Southern blot analysis and RT-PCR. By Southern blot, the breakpoint was not identified on M-bcr in three CML cases, of which one case showed the P210-typebcr/abl transcript and two cases showed the ALL-type (P190-type)bcr/abl transcript with or without P210 transcript. Later two cases showed unique hematological profiles such as thrombocytosis, mild myelofibrosis, and relative resistance to alkylating agents. Therefore, the present study suggests that expression of the P190-type transcript may affect clinical and hematological findings in CML.