Eur. Phys. J. B 37, 421-424 (2004)
https://doi.org/10.1140/epjb/e2004-00076-2

Comparison among the local atomic order of amorphous TM–Ti alloys (TM = Co, Ni, Cu) produced by mechanical alloying studied by EXAFS

Departamento de Física, Universidade Federal de Santa Catarina, 88040-900 Florianópolis SC, Brazil

Corresponding author: ^a kleber@fisica.ufsc.br

Received: 12 October 2003
Published online: 9 April 2004

Abstract

We have investigated the local atomic structure of amorphous TM–Ti alloys (TM = Co, Ni, Cu) produced by Mechanical Alloying by means of EXAFS analyses on TM and Ti K-edges. Coordination numbers and interatomic distances for the three alloys where found and compared. EXAFS results obtained indicated a shortening in the unlike pairs TM–Ti as the difference between d electrons of TM and Ti atoms increases, suggesting an increase in the chemical short range order (CSRO) from TM = Co to Cu.