Negative thermal expansion driven by acoustic phonon modes in rhombohedral Zn2GeO4
Negative thermal expansion (NTE) of materials is an intriguing phenomenon challenging the concept of traditional lattice dynamics and of importance for a variety of applications. Herein, we investigate the mechanism of NTE in the phenacite structure Zn2GeO4 using first-principles calculations with q...
| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Elsevier
2020-12-01
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| Series: | Results in Physics |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S2211379720319793 |