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Understanding the morphotropic phase boundary of perovskite solid solutions as a frustrated state

Teh, Ying Shi and Li, Jiangyu and Bhattacharya, Kaushik (2021) Understanding the morphotropic phase boundary of perovskite solid solutions as a frustrated state. Physical Review B, 103 (14). Art. No. 144201. ISSN 2469-9950. doi:10.1103/PhysRevB.103.144201.

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This paper presents a lattice model incorporating random fields and long-range interactions where a frustrated state emerges at a specific composition but is suppressed elsewhere. The model is motivated by perovskite solid solutions and explains the phase diagram in such materials including the morphotropic phase boundary (MPB) that plays a critical role in applications for its enhanced dielectric, piezoelectric, and optical properties. Further, the model also suggests the possibility of phenomena by exploiting MPBs.

Item Type:Article
Related URLs:
URLURL TypeDescription Paper
Teh, Ying Shi0000-0003-1743-4158
Li, Jiangyu0000-0003-0533-1397
Bhattacharya, Kaushik0000-0003-2908-5469
Additional Information:© 2021 American Physical Society. Received 18 December 2020; revised 7 March 2021; accepted 23 March 2021; published 5 April 2021. Y.S.T. and K.B. gratefully acknowledge useful discussions with R. Bai, as well as the support of the De Logi Foundation through a gift to the California Institute of Technology (Caltech). Y.S.T. further acknowledges the support of Resnick Institute at Caltech through the Resnick Graduate Research Fellowship.
Group:Resnick Sustainability Institute
Funding AgencyGrant Number
Caltech De Logi FundUNSPECIFIED
Resnick Sustainability InstituteUNSPECIFIED
Issue or Number:14
Record Number:CaltechAUTHORS:20201111-074328723
Persistent URL:
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:106604
Deposited By: Tony Diaz
Deposited On:11 Nov 2020 17:09
Last Modified:22 Apr 2021 17:49

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