@article{oai:tsukuba.repo.nii.ac.jp:00036690, author = {長谷, 宗明 and HASE, Muneaki and Fons, Paul and Kolobov, Alexander V and Tominaga, Junji}, issue = {48}, journal = {Journal of Physics: Condensed Matter}, month = {Dec}, title = {Coherent gigahertz phonons in Ge2Sb2Te5 phase-change materials}, volume = {27}, year = {2015}, yomi = {ハセ, ムネアキ} }