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- Title
天然有機ガラス琥珀の高圧下における弾性的性質.
- Authors
小島誠治
- Abstract
Amber is a unique biopreservation organic material in which ancient insects, animals, and plants were fossilized for a few tens of millions of years. The pressure-dependence of the elastic properties of the Baltic amber was studied using a micro-Brillouin scattering system and a diamond anvil cell up to 12 GPa. As the pressure increases, the sound velocity of longitudinal acoustic (LA) wave rapidly increased in the low-pressure regime and became gradual increase at high-pressures. The pressure dependence of the LA velocity is discussed based on the excess vibrational density of states of a glass.
- Subjects
ELASTICITY; ELECTRON glasses; AMBER; SPEED of sound; BRILLOUIN scattering
- Publication
Cryobiology & Cryotechnology / Teion Seibutsu Kogaku Kaishi, 2020, Vol 66, Issue 2, p141
- ISSN
1340-7902
- Publication type
Article