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

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.

Comment

R Mittal et al. Phys Rev Lett. 2019.

. 2019 Oct 25;123(17):179601.

doi: 10.1103/PhysRevLett.123.179601.

R Mittal^{1

2}, M K Gupta¹, Baltej Singh^{1

2}, S L Chaplot^{1

2}

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

No abstract available

Comment in

Ritz and Benedek Reply.
Ritz ET, Benedek NA. Ritz ET, et al. Phys Rev Lett. 2019 Oct 25;123(17):179602. doi: 10.1103/PhysRevLett.123.179602. Phys Rev Lett. 2019. PMID: 31702249 No abstract available.

Interplay between Phonons and Anisotropic Elasticity Drives Negative Thermal Expansion in PbTiO_{3}.
Ritz ET, Benedek NA. Ritz ET, et al. Phys Rev Lett. 2018 Dec 21;121(25):255901. doi: 10.1103/PhysRevLett.121.255901. Phys Rev Lett. 2018. PMID: 30608816