[1] K BISWAS, Q HE J, D BLUM I et al. High-performance bulk thermoelectrics with all-scale hierarchical architectures. Nature, 489, 414-418(2012).

[2] J DISALVO F. Thermoelectric cooling and power generation. Science, 285, 703-706(1999).

[3] J SNYDER G, S TOBERER E. Complex thermoelectric materials. Nature Materials, 7, 105-114(2008).

[4] N TRIPATHI M, M BHANDARI C. High-temperature thermoelectric performance of Si-Ge alloys. Journal of Physics- Condensed Matter, 15, 5359(2003).

[5] D ZHAO L, H LO S, Y ZHANG et al. Ultralow thermal conductivity and high thermoelectric figure of merit in SnSe crystals. Nature, 508, 373-377(2014).

[6] D ZHAO L, G TAN, S HAO et al. Ultrahigh power factor and thermoelectric performance in hole-doped single-crystal SnSe. Science, 351, 141(2015).

[7] L PENG K, S HUI, Y ZHOU X et al. Broad temperature plateau for high ZTs in heavily doped p-type SnSe single crystals. Energy & Environmental Science, 9, 454-460(2016).

[8] C CHANG, M WU, D HE et al. 3D charge and 2D phonon transports leading to high out-of-plane ZT in n-type SnSe crystals. Science, 360, 778-783(2018).

[9] T DUONG A, Q NGUYEN V, G DUVJIR et al. Achieving ZT=2.2 with Bi-doped n-type SnSe single crystals. Nature Communications, 7, 13713(2016).

[10] D LI G, U AYDEMIR, M WOOD et al. Ideal strength and deformation mechanism in high-efficiency thermoelectric SnSe. Chemistry of Materials, 29, 2382-2389(2017).

[11] J FU, X SU, H XIE et al. Understanding the combustion process for the synthesis of mechanically robust SnSe thermoelectrics. Nano Energy, 44, 53-62(2018).

[12] G CHEN Z, L SHI X, D ZHAO L et al. High-performance SnSe thermoelectric materials: progress and future challenge. Progress in Materials Science, 97, 283-346(2018).

[13] D WU, J WU L, D ZHAO L et al. Direct observation of vast off-stoichiometric defects in single crystalline SnSe. Nano Energy, 35, 321-330(2017).

[14] M JIN, Y XU J, H LI X et al. Microhardness and fracture toughness of <111> oriented PZNT single crystal. Materials Science and Engineering A, 472, 353-357(2008).

[15] F CHU, Q ZHANG, Z ZHOU et al. Enhanced thermoelectric and mechanical properties of Na-doped polycrystalline SnSe thermoelectric materials via CNTs dispersion. J. Alloys Compd., 741, 756-764(2018).

[16] J XU Z, P HU L, J YING P et al. Enhanced thermoelectric and mechanical properties of zone melted p-type (Bi, Sb)₂Te₃ thermoelectric materials by hot deformation. Acta Materialia, 84, 385-392(2015).

[17] F REN, D HALL B, E NI J et al. Mechanical Characterization of PbTe-based Thermoelectric Materials. Materials Research Society Symposium Proceedings, 1044, 121(2008).

[18] Z LIU, W GAO, X MENG et al. Mechanical properties of nanostructured thermoelectric materials α-MgAgSb. Scripta Materialia, 127, 72-75(2017).

[19] M JIN, Y XU J, L SHI M et al. Mechanical properties anisotropy of PZNT93/7 single crystal. Journal of Physics D: Applied Physics, 40, 1473-1476(2007).

[20] M JIN, Z FANG Y, H SHEN et al. Mechanical property evaluation of GaAs crystal for solar cells. Chinese Physics Letters, 28, 086101(2011).

[21] V GUPTA, K BAMZAI K, N KOTRU P et al. Mechanical characteristics of flux-grown calcium titanate and nickel titanate crystals. Materials Chemistry & Physics, 89, 64-71(2005).