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北海道大学地球物理学研究報告 = Geophysical bulletin of Hokkaido University >
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珪岩・水晶・溶融石英の破壊に伴う発光の色について -結晶の圧電性の寄与-

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Title: 珪岩・水晶・溶融石英の破壊に伴う発光の色について -結晶の圧電性の寄与-
Other Titles: On the differences of fractoluminescence color among crystalline quartzite, quartz crystal and fused silica -contribution of piezoelectricity-
Authors: 三井, 雄太1 Browse this author →KAKEN DB
柳谷, 俊2 Browse this author →KAKEN DB
Authors(alt): Mitsui, Yuta1
Yanagidani, Takashi2
Issue Date: 19-Mar-2012
Publisher: 北海道大学大学院理学研究院自然史科学部門(地球物理学)
Journal Title: 北海道大学地球物理学研究報告
Journal Title(alt): Geophysical bulletin of Hokkaido University
Volume: 75
Start Page: 109
End Page: 115
Abstract: We observed clear fractoluminescence in crystalline quartzite, quartz crystal and fused silica at uniaxial compressional loading tests by commercial digital cameras. These fractoluminescence are composed of blue and red colors. In particular, a blue color does not appear in fractures of fused silica but appear in crystalline quartzite and quartz crystal, which implies that the piezoelectric charge and discharge play a key role in the blue-color fractoluminescence via excitation of N2 molecules.
Type: bulletin (article)
Appears in Collections:北海道大学地球物理学研究報告 = Geophysical bulletin of Hokkaido University > 第75号

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