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Yang, M-J, Yusuf Fakhri M, Liao C-N, Chen K-H.  2022.  Synthesis and characterization of Ge-Ag-Sb-S-Se-Te high-entropy thermoelectric alloys, 2022. 311:131617. AbstractWebsite

Multielement alloying is an appealing approach for suppressing thermal conductivity of thermoelectric materials. In this study, we synthesized GeTe-based high-entropy alloys with notable (S, Se) substitution at Te sites and (Ag, Sb) at Ge sites. The Ge0.82Ag0.08Sb0.1S0.5Se0.1Te0.4 exhibits an extremely low thermal conductivity of ∼ 0.66 W/m⋅K and a high Seebeck coefficient (>250 μV/K) over a temperature range of 150 – 400 °C. The influence of lattice distortion on phase transformation and transport properties of Ge0.9-2xAg2xSb0.1S0.5Se0.1Te0.4 (x = 0 – 0.06) was investigated.

Yang, CC, Cheng CH, Chen TH, Lin YH, Chi YC, Tseng WH, Chang PH, Chen CY, Chen KH, Chen LC, Wu CI, Lin GR.  2018.  Ge-Rich SiGe Mode-Locker for Erbium-Doped Fiber Lasers, May-June 2018. IEEE Journal of Selected Topics in Quantum Electronics. 24(3):1-10. Abstract

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Yeh, CL, Jan CJ, Chiou JW, Pong* WF, Tsai MH, Chang YK, Chen YY, Lee JF, Tseng PK, Wei SL, Wen CY, Chen LC, Chen KH.  2001.  Electronic structure of the Fe-layer catalyzed carbon nanotubes studies by X-ray-absorption spectroscopy. Appl. Phys. Lett.. 79:3179-3181.
Yen, HF, Horng YY, Hu MS, Yang WH, Tai Y, Chen KH, Chen LC.  2015.  Vertically aligned epitaxial graphene nanowalls with dominated nitrogen-doping for superior supercapacitors. Carbon . 82:124-134.
Yesi, Y, Shown I, Ganguly A, Ngo TT, Chen LC, Chen KH.  2016.  Directly-grown hierarchical carbon nanotube@polypyrrole core-shell hybrid for high-performance flexible supercapacitors. ChemSusChem . 9:370-378.
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Z. H. Shen, Hess* P, Huang JP, Lin YC, Chen KH.  2006.  Influence of oxygen on the elastic properties of nanocrystalline diamond films studied by laser-induced surface acoustic waves. Ultrasonics. 44:e1229-e1232.