High performance half-Heusler thermoelectric materials with refined grains and nanoscale precipitates

High-performance half-Heusler thermoelec

High-performance half-Heusler thermoelectric materials Hf1−x ZrxNiSn1−ySby prepared by levitation melting and spark plasma sintering

✍ Cui Yu; Tie-Jun Zhu; Rui-Zhi Shi; Yun Zhang; Xin-Bing Zhao; Jian He 📂 Article 📅 2009 🏛 Elsevier Science 🌐 English ⚖ 797 KB

Half-Heusler thermoelectric materials Hf 1Àx Zr x NiSn 1Ày Sb y (x = 0, 0.25, 0.4, 0.5; y = 0.02, 0.04, 0.06) have been prepared by levitation melting followed by spark plasma sintering or hot pressing. X-ray diffraction analysis and scanning electron microscopy observation show that single-phased h