10. Appendix
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A4.1 A Prototypical Deep Center in N-Type Zincblende-Type Semiconductors 685<br />
[Lang74] D. V. Lang: Deep-level transient spectroscopy: a new method to characterize<br />
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(DX) model for the persistent-photoconductivity trapping center in Te-doped<br />
AlxGa1xAs. Phys. Rev. B19, 1015 (1979).<br />
[Lang79b] D. V. Lang, and R. A. Logan: Chemical shifts of DX centers in AlxGa1xAs.<br />
Physics of Semiconductors 1978 (Inst. Phys. Conf. Ser. No. 43, 1979) p. 433–436.<br />
[Lang85] D. V. Lang: DX centers in III-V alloys, in Deep Centers in Semiconductors, ed.<br />
by S. T. Pantelides (Gordon and Breach, New York, 1985) p. 489–539.<br />
[Li87] M. F. Li, P. Y. Yu, E. R. Weber and W. L. Hansen: Photocapacitance Study of<br />
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[Li94] M. F. Li: Modern Semiconductor Quantum Physics, (World Scientific, Singapore,<br />
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Phys. Rev. B21, 670–678 (1980).<br />
[Mizuta85] M. Mizuta, M. Tachikawa, H. Kukimoto and S. Minomura: Direct evidence<br />
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Phys. 24, L143–L146 (1985).<br />
[Mooney88] P. M. Mooney, T. N. Theis and S. L. Wright: Effect of local alloy disorder on<br />
emission kinetics of deep donors (DX centers) in AlxGa1xAs of low Al content. Appl.<br />
Phys. Lett., 53, 2546–2548 (1988).<br />
[Mooney90] P. M. Mooney: Deep donor levels (DX centers) in III-V semiconductors, J.<br />
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19, 975–990 (1976).<br />
[Shan89] W. Shan, P. Y. Yu, M. F. Li, W. L. Hansen and E. Bauser: Pressure Dependence<br />
of the DX Center in Ga1xAlxAs:Te. Phys. Rev. B40, 7831 (1989).<br />
[Suski94] For discussions on experimental results see, for example, T. Suski: Hydrostatic<br />
pressure investigations of metastable defect states. Defects in Semiconductors 17, Materials<br />
Science Forum, 143–147 (Trans Tech Pub., Switzerland, 1994) p. 975–982.<br />
[Wang89a] Shyh Wang: Fundamentals of Semiconductor Theory and Device Physics<br />
(Prentice Hall, New Jersey, 89] Chapter 8.<br />
[Wang89b] Shyh Wang: Fundamentals of Semiconductor Theory and Device Physics<br />
(Prentice Hall, New Jersey, 89] Section 9.7.<br />
[Wolk92] See, for example, J. A. Wolk, W. Walukiewicz, M. L. Thewalt and E. E. Haller:<br />
Formation of a DX center in InP under hydrostatic pressure. Phys. Rev. Lett. 68, 3619–<br />
3622 (1992) for a description of the infrared vibrational study.<br />
[Yamaguchi90] E. Yamaguchi, K. Shiraishi and T. Ohno: First principle calculation of the<br />
DX-center ground-states in GaAs, AlxGa1xAs alloys and AlAs/GaAs superlattices. J.<br />
Phys. Soc. Japan, 60, 3093–3107 (1991).<br />
[Zeman95] See J. Zeman, M. Zigone and G. Martinez: Optical investigation of the DX<br />
centers in GaAs under hydrostatic pressure. Phys. Rev. B51, 17551–17560 (1995) for a<br />
review of the Raman investigation of the DX center under pressure inside the DAC.