Contribution of optical phonons to the thermal expansion of α'-PdHx and α'-PdDx Hemmes, H. ; Geerken, B. M. ; Griessen, R. Abstract Publication: Journal of Physics F Metal Physics Pub Date: December 1984 DOI: 10.1088/0305-4608/14/12/014 Bibcode: 1984JPhF...14.2923H