Phase Transitions in the Brominated Ferroelectric Tris‐Sarcosine Calcium Chloride
Source abstract
Abstract
We demonstrate that the Curie temperature, Tc, of tris-sarcosine calcium chloride can be lowered from 130 K to near 0 K by chemical doping of the anion. In the low temperature limit, quantum fluctuations persist over a range of chemical doping concentrations. Below TC the temperature dependence of the fractional length change, , scales as (red line) where t is the reduced temperature, and λ = -1.5. The behavior of linear coefficient of thermal expansion near TC is shown in the inset. Three additional phase transitions near 43, 50, and 61 K are resolved.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Solid-state spectroscopy and crystallography · Ferroelectric and Piezoelectric Materials · Photorefractive and Nonlinear Optics
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Los Alamos National Laboratory Los Alamos New Mexico 1663 87545 USA
Cavendish Laboratory Cambridge University J. J. Thomson Avenue Cambridge CB3 0HE England
Samco International Co. Fushimi Ku Kyoto 6128443 Japan
Department of Chemistry and PCCM Princeton University Princeton New Jersey USA
Centro Brasileiro de Pesquisas Físicas Rua Dr. Xavier Sigaud 150 Rio de Janeiro 22290‐180 Brasil
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