RT Journal Article T1 Study of Zn diffusion in n-type GaSb by cathodoluminescence and scanning tunneling spectroscopy A1 Hidalgo Alcalde, Pedro A1 Méndez Martín, María Bianchi A1 Piqueras De Noriega, Francisco Javier A1 Dutta, P: S. AB We report here the studies carried out in zinc diffused n-type GaSb by cathodoluminescence (CL) microscopy and by scanning tunneling spectroscopy. Samples with different diffusion profiles measured by secondary ion mass spectrometry (SIMS) were obtained. CL plan-view observations show high homogeneity in the diffused layers. Cross-sectional measurements of the Zn diffused layers were performed by current imaging tunneling spectroscopy (CITS). The junction border was revealed clearly in the CITS images and conductance spectra recorded at differents points of the layers provided information on the local surface band gaps and the conductive behaviour. The results were related to the diffusion profiles and were found to agree with diffusion models suggested previously. PB Elsevier Science SA SN 0921-5107 YR 2001 FD 2001-03-22 LK https://hdl.handle.net/20.500.14352/58935 UL https://hdl.handle.net/20.500.14352/58935 LA eng NO © 2001 Elsevier Science B.V.This work was supported by DGES (Project PB96- 0639). NO DGES DS Docta Complutense RD 13 jun 2025