Cd-H pairs in GaAs: identification and stability

Pfeiffer W, Deicher M, Keller R, Magerle R, Recknagel E, Skudlik H, Wichert T, Wolf H, Forkel D, Moriya N, Kalish R (1991)
Appl. Phys. Lett. 58(16): 1751-1753.

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Abstract
The Cd-H complex in Cd-111m-doped GaAs implanted with low-energy (150-400 eV) hydrogen atoms is identified and studied by perturbed angular correlation spectroscopy using radioactive Cd-111m as a probe. By measuring the fraction of Cd-H pairs in an isochronal annealing experiment, the stability of the pairs is deduced yielding a dissociation energy of E(D) = 1.35(10) eV. After Cd-111m implantation but preceding the H loading, the GaAs samples have to be annealed at temperatures exceeding 900 K in order to form Cd-H pairs. These temperatures are in agreement with the temperature range required for electrical activation of Cd implants, suggesting that a Coulombic interaction is responsible for the formation of Cd-H pairs in GaAs.
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Pfeiffer W, Deicher M, Keller R, et al. Cd-H pairs in GaAs: identification and stability. Appl. Phys. Lett. 1991;58(16):1751-1753.
Pfeiffer, W., Deicher, M., Keller, R., Magerle, R., Recknagel, E., Skudlik, H., Wichert, T., et al. (1991). Cd-H pairs in GaAs: identification and stability. Appl. Phys. Lett., 58(16), 1751-1753.
Pfeiffer, W., Deicher, M., Keller, R., Magerle, R., Recknagel, E., Skudlik, H., Wichert, T., Wolf, H., Forkel, D., Moriya, N., et al. (1991). Cd-H pairs in GaAs: identification and stability. Appl. Phys. Lett. 58, 1751-1753.
Pfeiffer, W., et al., 1991. Cd-H pairs in GaAs: identification and stability. Appl. Phys. Lett., 58(16), p 1751-1753.
W. Pfeiffer, et al., “Cd-H pairs in GaAs: identification and stability”, Appl. Phys. Lett., vol. 58, 1991, pp. 1751-1753.
Pfeiffer, W., Deicher, M., Keller, R., Magerle, R., Recknagel, E., Skudlik, H., Wichert, T., Wolf, H., Forkel, D., Moriya, N., Kalish, R.: Cd-H pairs in GaAs: identification and stability. Appl. Phys. Lett. 58, 1751-1753 (1991).
Pfeiffer, Walter, Deicher, M., Keller, R., Magerle, R., Recknagel, E., Skudlik, H., Wichert, Th., Wolf, H., Forkel, D., Moriya, N., and Kalish, R. “Cd-H pairs in GaAs: identification and stability”. Appl. Phys. Lett. 58.16 (1991): 1751-1753.
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