Indium Doping in BaSn3–x Inx (0 ≤ x ≤ 0.2) with Ni3Sn Structure

doi:10.3390/cryst1030104

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Crystals 2011, 1(3), 104-111; doi:10.3390/cryst1030104

Article

Indium Doping in BaSn_3–xIn_x (0 ≤ x ≤ 0.2) with Ni₃Sn Structure

Marion C. Schäfer¹, Yuki Yamasaki^1,2, Veronika Fritsch³ and Svilen Bobev^1,*

¹ Department of Chemistry and Biochemistry, University of Delaware, Newark, DE 19716, USA ² Department of Chemistry, Hosei University, Tokyo 194-0298, Japan ³ Physikalisches Institut, Karlsruher Institut für Technologie, D-76131 Karlsruhe, Germany

* Author to whom correspondence should be addressed.

Received: 20 June 2011; in revised form: 1 July 2011 / Accepted: 11 July 2011 / Published: 12 July 2011

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Abstract: Investigations of the system Ba–In–Sn, with the objective to synthesize Ba₈In₁₆Sn₃₀ clathrate using Sn and In flux reactions, yielded instead the known BaSn₃ compound (P6₃/mmc; a = 7.228(2) Å, c = 5.469(3) Å) from Sn flux and its In-doped variant BaSn_2.8In_0.2(1) (a = 7.260(1) Å, c = 5.382(2) Å) from In flux. BaSn_3–xIn_x is the first, and up until now, the only ternary phase containing these elements. Its structure is isomorphic with the Ni₃Sn type (Pearson symbol hP8) and is apparently capable of sustaining small variations in the valence electron count by virtue of replacing Sn with the electron poorer In. Electrical resistivity measurements on single-crystals of both undoped and doped phases show different metallic-like behavior, suggesting that neither BaSn₃ nor BaSn_3–xIn_x are valence compounds.

Keywords: polar intermetallic phases; stannides; barium; tin; crystal structure

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Cite This Article

MDPI and ACS Style

Schäfer, M.C.; Yamasaki, Y.; Fritsch, V.; Bobev, S. Indium Doping in BaSn_3–xIn_x (0 ≤ x ≤ 0.2) with Ni₃Sn Structure. Crystals 2011, 1, 104-111.

AMA Style

Schäfer MC, Yamasaki Y, Fritsch V, Bobev S. Indium Doping in BaSn_3–xIn_x (0 ≤ x ≤ 0.2) with Ni₃Sn Structure. Crystals. 2011; 1(3):104-111.

Chicago/Turabian Style

Schäfer, Marion C.; Yamasaki, Yuki; Fritsch, Veronika; Bobev, Svilen. 2011. "Indium Doping in BaSn_3–xIn_x (0 ≤ x ≤ 0.2) with Ni₃Sn Structure." Crystals 1, no. 3: 104-111.

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