Infrared absorption study of Fe-VP defects in InP

Vladimir P. Saveliev; Mikhail A. Pogarsky; Sergei A. Starovoitov

doi:10.1117/12.517437

10 October 2003 Infrared absorption study of Fe-VP defects in In_P

Vladimir P. Saveliev, Mikhail A. Pogarsky, Sergei A. Starovoitov

Proceedings Volume 5127, Sixth International Workshop on Nondestructive Testing and Computer Simulations in Science and Engineering; (2003) https://doi.org/10.1117/12.517437
Event: Sixth International Workshop on Nondestructive Testing and Computer Simulations in Science and Engineering, 2002, St. Petersburg, Russian Federation

Abstract

In the present work, Fe doped InP substrates were annealed at high temperatures and the effect of annealing on optical absorption spectra was systematically examined. The absorption experiments at low temperature show both a characteristic spectrum of four zero-phonon lines, which are attributed to transitions within the ⁵D ground state of Fe²⁺(3d⁶) ion on the indium site in a tetrahedral crystal field of phosphorus atoms and addition spectrum consisting of two peaks. The lines fall in the energy range close to that of optical transitions at Fe²⁺ ions in InP. The level scheme can be modeled by an Fe²⁺ ion that experiences a weak (111) distortion, and has a 1% lower crystal field splitting parameter Dq than exactly tetrahedral coordinated Fe²⁺. Zeeman measurements lead us to ascribe the new spectrum to (Fe²⁺_In-V_P) pairs.

Citation Download Citation

Vladimir P. Saveliev, Mikhail A. Pogarsky, and Sergei A. Starovoitov "Infrared absorption study of Fe-VP defects in In_P", Proc. SPIE 5127, Sixth International Workshop on Nondestructive Testing and Computer Simulations in Science and Engineering, (10 October 2003); https://doi.org/10.1117/12.517437

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