Investigation of the acceptor and donor in fast neutron irradiated Czochralski s ilicon | Zendy

Yangxian Li | Zendy; Shuai Yang | Zendy; Guifeng Chen | Zendy; Ma Qiao-Yun | Zendy; Pingjuan Niu | Zendy; Dongfeng Chen | Zendy; Hongtao Li | Zendy; Baoyi Wang | Zendy

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Investigation of the acceptor and donor in fast neutron irradiated Czochralski s ilicon

Author(s) -

Yangxian Li,

Shuai Yang,

Guifeng Chen,

Ma Qiao-Yun,

Pingjuan Niu,

Dongfeng Chen,

Hongtao Li,

Baoyi Wang

Publication year - 2005

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.54.1783

Subject(s) - annealing (glass) , irradiation , acceptor , materials science , analytical chemistry (journal) , positron annihilation spectroscopy , hall effect , electron mobility , annihilation , electrical resistivity and conductivity , nuclear chemistry , optoelectronics , positron annihilation , chemistry , electron , condensed matter physics , physics , nuclear physics , positron , chromatography , quantum mechanics , composite material

Variations of the irradiated defects, resistivity, carrier mobility ratio and ca rrier concentration in high-dose neutron-irradiated n-type Czochralski silico n have been investigated by means of Fourier transform infrared spectrometer, po sitron annihilation spectroscopy and Hall effect. After irradiated with fast neu tron, the sample transformed from n to p-type. Two types of acceptor centers th at contribute to the V22O22, V22O, VO22, V-O-V and V 44-type defects will appear after annealing at temperature of 450 a nd 600 ℃, respectively. After annealing at temperatures above 650℃, with the elimin ation of acceptors, the carrier mobility ratio and the carrier-type began to re cover and a type of donor related to the irradiated defects will appear. The eff ective annealing temperature is 750℃ at which the donor is formed, and anneal ing above 900℃ for 1h will eliminate the donor.

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