-
[1]
. Shultz J, Lynn K G. Rev. Mod. Phys. , 1988, 60: 7012. Ley R. Mat erials Science Forum. , 1992, 1927: 105 .. 1103. Yoshida K et al. Phys. Rev. Lett . , 1998, 80( 7) : 14374. Hulett L D et al. Nucl. Instr. andMeth. , 1987, B24..25: 9055. Akahane T, Chiba T, Shiot ani N et al . Appl. Phys. , 1990, A51: 1466. YU R S et al . HEP NP, 2001, 25: 135(in Chinese)(于润升等.高能物理与核物理,2001,25:135)7. YU R S et al . Nucl. Tech. , 2000, 23( 6) : 405(in Chinese)(于润升等.核技术,2000,23(6):405)8. YU Run-Sheng et al. Nucl. Instr. and Meth. , 2001, A457: 4199. YU R S et al . Nucl. Tech. , 2000, 23( 6) : 401(in Chinese)(于润升等.核技术,2000,23(6):401)