The Thermo-Mechanical Response of GeTe under Compression
Abstract
:1. Introduction
2. Experimental Procedure
2.1. Samples Fabrication
2.2. Ultrasonic Time-of-Flight
2.3. Compression Testing
3. Results
3.1. Elastic Constants Determination Using TOF
3.2. Mechanical Testing
3.3. Fracture Surface Characterization
4. Discussion
5. Conclusions
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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References | Young’s Modulus (E) (GPa) | Shear Modulus (G) (GPa) | Bulk Modulus (B) (GPa) | Poisson’s Ratio (ν) | Relative Density (ρrel) (%) |
---|---|---|---|---|---|
This work | 59.1 ± 3.6 | 23.4 ± 1.6 | 42.4 ± 0.9 | 0.27 ± 0.01 | 98.5 |
J. Davidow et al. [16]—TOF | 56.1 ± 0.5 | --- | --- | --- | 98.78 |
H. L. Kagdada et al. [17] based on first principles calculation | 67.14 | 28.16 | 36.31 | 0.19 | 100 |
Temp. (°C) | E (GPa) | σ0.2% (MPa) | σuCS (MPa) |
---|---|---|---|
25 | 66 ± 4 | 82 ± 5 | 171 ± 10 |
150 | 62 ± 2 | 82 ± 7 | 169 ± 10 |
250 | 64 ± 6 | 77 ± 6 | 128 ± 8 |
300 | 18 ± 2 | 55 ± 4 | 75 ± 6 |
350 | 17 ± 2 | 37 ± 4 | 51 ± 2 |
400 | 16 ± 1 | 17 ± 3 | 24 ± 1 |
450 | 11 ± 1 | 12 ± 3 | 15 ± 1 |
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Guttmann, G.M.; Samuha, S.; Gertner, R.; Ostraich, B.; Haroush, S.; Gelbstein, Y. The Thermo-Mechanical Response of GeTe under Compression. Materials 2022, 15, 5970. https://doi.org/10.3390/ma15175970
Guttmann GM, Samuha S, Gertner R, Ostraich B, Haroush S, Gelbstein Y. The Thermo-Mechanical Response of GeTe under Compression. Materials. 2022; 15(17):5970. https://doi.org/10.3390/ma15175970
Chicago/Turabian StyleGuttmann, Gilad Mordechai, Shmuel Samuha, Reuven Gertner, Barak Ostraich, Shlomo Haroush, and Yaniv Gelbstein. 2022. "The Thermo-Mechanical Response of GeTe under Compression" Materials 15, no. 17: 5970. https://doi.org/10.3390/ma15175970