Giant resonant photoemission at the Mn 2p3d absorption threshold of Cd1xMnxTe

L. Sangaletti, S. Pagliara, F. Parmigiani, A. Goldoni, L. Floreano, A. Morgante, and V. Aguekian
Phys. Rev. B 67, 233201 – Published 10 June 2003
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Abstract

Resonant photoemission spectroscopy data from Cd1xMnxTe single crystals are presented. A strong resonant behavior, related to the Raman-Auger decay channel arising from the creation of the Mn 2p core hole, is detected for states in the valence-band region at the Mn 2p3d absorption threshold. The transition from the resonating Raman-Auger to the weak, normal Auger emission is shown to occur well above the main absorption edge. This effect is ascribed to the presence of a manifold of localized states arising from the Mn 2p3d Coulomb and exchange interaction, which prevents the delocalization in the intermediate state of the autoionization process.

  • Received 2 October 2002

DOI:https://doi.org/10.1103/PhysRevB.67.233201

©2003 American Physical Society

Authors & Affiliations

L. Sangaletti1, S. Pagliara1, F. Parmigiani1, A. Goldoni2, L. Floreano3, A. Morgante3, and V. Aguekian4

  • 1Istituto Nazionale per la Fisica della Materia, Dipartimento di Matematica e Fisica, Università Cattolica del Sacro Cuore, Via dei Musei 41, 25121 Brescia, Italy
  • 2Sincrotrone Trieste S.C.p.A., S.S. 14 Km 163.5, in Area Science Park, 34012 Trieste, Italy
  • 3Laboratorio TASC-INFM, Basovizza s.s. 14 Km 163.5, I-34012 Trieste, Italy
  • 4Solid State Physics Department, V. Fock Institute of Physics, Saint-Petersburg State University, Petrodvoretz, 198904 S.-Petersburg, Russia

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Vol. 67, Iss. 23 — 15 June 2003

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