Ultrafast and spectrally broadband photovoltaic response in quartz single crystals

被引：5

作者：

Liu, Hao ^{[1
]}

Zhao, Kun ^{[1
,2
]}

Zhao, Songqing ^{[1
]}

Zhou, Na ^{[1
]}

Zhao, Hui ^{[1
]}

Lue, Zhiqing ^{[1
]}

Wang, Aijun ^{[1
]}

机构：

[1] China Univ Petr, Dept Math & Phys, Beijing 102249, Peoples R China

[2] Chinese Acad Sci, Int Ctr Mat Phys, Shenyang 110016, Peoples R China

来源：

JOURNAL OF PHYSICS D-APPLIED PHYSICS | 2009年 / 42卷 / 07期

基金：

中国国家自然科学基金; 北京市自然科学基金;

关键词：

YBA2CU3O7-DELTA THIN-FILMS; SILICON DIOXIDE; PHOTORESPONSE; PHOTOEMISSION; BREAKDOWN;

D O I：

10.1088/0022-3727/42/7/075104

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Picosecond photovoltaic response has been observed in quartz single crystals under spectrally broadband laser irradiation from ultraviolet to near infrared without an applied bias at room temperature. The 10-90% rise time and full width at half maximum are about several hundred picoseconds, which are weakly dependent on the wavelength. In addition, open-circuit photovoltages under continuum solid state lasers operating in a wide wavelength range were also observed, which exhibited much higher responsivities than those under picosecond pulsed laser irradiation. The inner mechanism of the present photovoltaic response was discussed.

引用

页数：4

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