First principles calculation of electronic, phonon and thermal properties of hydrogenated germanene

  • Lei LiuEmail author
  • Yanju Ji
  • Liqiang Liu


Germanene is a basic building block of two-dimensional materials of germanium and it exhibits many unique electronic properties. It is necessary for germanene to tuning its electronic band structure for future applications. The electronic and vibrational properties of germanene, germanane, single-sided semi-hydrogenated germanene and single-sided full-hydrogenated germanene (FHgermanene) were analysed by density function theory. It was found that hydrogenation effectively leads to germanene transition from metallic to semiconductors. Meanwhile, phonon dispersion showed that germanane and FHgermanene are stable. For the same Ge/H ratio in the structure, the thermal properties of germanane and FHgermanene are consistent. The hydrogenation process provides a novel method to tune the properties of germanene with unprecedented potentials for future nanoelectronics.


First principle germanene thermal properties phonon dispersion 


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Copyright information

© Indian Academy of Sciences 2019

Authors and Affiliations

  1. 1.School of ScienceShandong Jianzhu UniversityJinanPeople’s Republic of China

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