Abstract:Bismuth
thiophosphate, BiPS4, is a promising nontoxic,
high-density ternary chalcogenide semiconductor. Polycrystalline BiPS4 was synthesized from the stoichiometric melt of Bi, P, and
S. Phosphorus was purified via an in-situ sublimation method. Single
crystals of BiPS4 were grown using a modified vertical
Bridgman method with a thermal gradient of 18 °C/cm. The material
exhibits an electrical resistivity of 2 × 109 Ω·cm.
The Knoop hardness of the single crystals is 128 ± 0.8 kg mm–2. A blocking contact behav… Show more
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