Optical Absorbance and Band Structure of Molecular Hydrogen in Different Phases
Arijit Bag *
Indian Institute of Science Education and Research Kolkata, Mohanpur, Nadia, West Bengal, 741246, India.
*Author to whom correspondence should be addressed.
Abstract
In this article, optical absorbtion and band structure of solid molecular hydrogen at five different phases are reported. Transition pressure for the non-metallic phase to the metallic phase is found at 284 GPA. Phase-IV and phase-V of solid molecular hydrogen are observed as metallic. It is also observed that UV-visible spectra of molecular hydrogen is also changing significantly with the change of pressure.
Keywords: Hydrogen molecular solid, electrical conductivity, transition pressure, configuration interaction, critical density, band structure