Photoconductivity and photoemission studies of diamond irradiated by ultrashort VUV pulses

被引：0
|
作者：
J. Gaudin
G. Geoffroy
S. Guizard
G. Petite
S.M. Klimentov
S.V. Garnov
P.A. Pivovarov
B. Carré
A. Belsky
P. Martin
机构：
[1] Laboratoire des Solides Irradiés (CEA,General Physics Institute
[2] CNRS,CEntre Lasers Intenses et Applications
[3] Ecole polytechnique),undefined
[4] Russian Academy of Sciences,undefined
[5] Service des Photons,undefined
[6] Atomes et Molécules,undefined
[7] CEA,undefined
[8] (Univ. Bordeaux 1,undefined
[9] CEA,undefined
[10] CNRS),undefined
来源：
Applied Physics B | 2004年 / 78卷
关键词：
Experimental Data; Kinetic Energy; Charge Carrier; Spectral Range; Hole Pair;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
We investigated relaxation of free charge carriers in pure crystalline diamond exposed to VUV irradiation of high order harmonics of femtosecond Ti:Sa laser in the spectral range 17–32 eV. Electron–hole pairs, possessing a significant kinetic energy, are generated in the material via direct interband transitions, relaxation of which is monitored by means of induced conductivity in the bulk and photoemission from the surface of the material. The experimental data provided by these complementary techniques are compared and discussed in terms of the competition between ionization and conductivity looking for evidences of multiplication of free charge carriers due to impact ionization.
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页码：1001 / 1004
页数：3
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