Comment on "Interplay between Phonons and Anisotropic Elasticity Drives Negative Thermal Expansion in PbTiO_{3}"

Phys Rev Lett. 2019 Oct 25;123(17):179601. doi: 10.1103/PhysRevLett.123.179601.

Authors

R Mittal^{1

2}, M K Gupta¹, Baltej Singh^{1

2}, S L Chaplot^{1

2}

Affiliations

¹ Solid State Physics Division, Bhabha Atomic Research Centre, Mumbai 400085, India.
² Homi Bhabha National Institute, Anushaktinagar, Mumbai 400094, India.

PMID: 31702231
DOI: 10.1103/PhysRevLett.123.179601

No abstract available

Publication types

Letter
Comment