Synthesis and characterization of boron antimonide films by pulsed laser deposition technique

Boron antimonide films (BSb) were successfully deposited by pulsed laser deposition technique on glass, fused silica and silicon substrates by using a target prepared by admixing boron and antimony powders in appropriate proportions. Nd-YAG laser was used to ablate the target. Films deposited at substrate temperatures of 673 K and above showed zinc blende structure. Grain growth in the films was observed in films deposited at higher temperatures. Films deposited on Si(1 0 0) substrates at higher deposition temperatures indicated lower residual strain. SIMS studies indicated very uniform distribution of B and Sb in the whole bulk of the films. XPS spectra indicated characteristic peaks at similar to 34.87 eV for Sb4d, similar to 188.1 eV for B1s, similar to 765.5 eV for Sb3p(3/2), similar to 539 eV for Sb3d(3/2) and similar to 812.8 eV for Sb3p(1/2). Raman peaks for BSb were located at 64 cm(-1), 152 cm(-1), 595 cm(-1) and 821 cm(-1). (C) 2015 Elsevier B.V. All rights reserved.