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Magnetic properties of donors in GaAsP

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Abstract

The magnetic properties of hydrogenic Te donors and bistable,DX-like S donors in GaAS x P1-x have been investigated. Te shows an EPR signal after cooling down, both in the dark. The EPR signal from S appears only after illumination. S does not show an EPR signal after cooling down in the dark, but after illumination when the hydrogenic state of this donor is populated. Static magnetic susceptibility measurements show however that the ground state of S in GaAs x P1-x is paramagnetic even though it does not produce an EPR signal. This is in agreement with a one-electron ground state of this bistable donor.

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Authors and Affiliations

  1. Department of Materials Science and Mineral Engineering, University of California, Berkeley

    K. Khachaturyan & E. R. Weber

  2. Lawrence Berkeley Laboratory, Center for Advanced Materials, 94720, CA

    K. Khachaturyan & E. R. Weber

  3. Hewlett-Packard Optoelectronics Division, 95131, San-Jose, CA

    M. G. Craford

  4. Electrical Eng. Lab. & Matls. Res. Lab., University of Illinois at Urbana-Champaign, 61801, Urbana, IL

    G. E. Stillman

Authors
  1. K. Khachaturyan
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  2. E. R. Weber
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  3. M. G. Craford
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  4. G. E. Stillman
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Khachaturyan, K., Weber, E.R., Craford, M.G. et al. Magnetic properties of donors in GaAsP. J. Electron. Mater. 20, 59–62 (1991). https://doi.org/10.1007/BF02651966

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  • DOI: https://doi.org/10.1007/BF02651966

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