Crystal Structure Variation of Ru2Si3 Upon Alloying with Mn

Abstract:

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Manganese-alloyed Ru2Si3-based alloys with various alloy compositions have been prepared and the phase relationships of these alloys have been investigated as a function of the Mn concentration using X-ray powder diffraction, scanning electron microscopy and transmission electron microscopy. A series of Ru1-xMnxSiy chimney-ladder phases is confirmed to be formed over a wide compositional range (x ≥0.12). These chimney-ladder phases are considered to be formed to stabilize the HT-Ru2Si3 chimney-ladder phase through the substitution of Ru with Mn. The compositions of the chimney-ladder phases are, however, significantly deviated from the idealized composition satisfying the valence electron concentration rule: VEC=14.

Info:

Periodical:

Advanced Materials Research (Volumes 26-28)

Edited by:

Young Won Chang, Nack J. Kim and Chong Soo Lee

Pages:

229-232

DOI:

10.4028/www.scientific.net/AMR.26-28.229

Citation:

T. Koyama et al., "Crystal Structure Variation of Ru2Si3 Upon Alloying with Mn", Advanced Materials Research, Vols. 26-28, pp. 229-232, 2007

Online since:

October 2007

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Price:

$35.00

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