Energy Conversion by Phase Transformation in the Small-Temperature-Difference Regime

Ashley N. Bucsek, William Nunn, Bharat Jalan, Richard D. James

Research output: Chapter in Book/Report/Conference proceedingChapter

15 Scopus citations


The discovery of alternative methods of producing electrical energy that avoid the generation of greenhouse gases and do not contribute to global warming is a compelling problem of our time. Ubiquitous, but often highly distributed, sources of energy on earth exist in the small-temperature-difference regime, 10-250degC. In this review, we discuss a family of methods that can potentially recover this energy based on the use of first-order phase transformations in crystalline materials combined with ferromagnetism or ferroelectricity. The development of this technology will require a better understanding of these phase transformations, especially ferroelectric/ferromagnetic properties, hysteresis, and reversibility, as well as strategies for discovering improved materials.

Original languageEnglish (US)
Title of host publicationAnnual Review of Materials Research
PublisherAnnual Reviews Inc.
Number of pages36
StatePublished - Jul 1 2020

Publication series

NameAnnual Review of Materials Research
ISSN (Print)1531-7331

Bibliographical note

Publisher Copyright:
© 2020 Annual Reviews Inc.. All rights reserved.


  • energy conversion
  • ferroelectricity
  • ferromagnetism
  • first-order phase transformation
  • small-temperature-difference regime
  • supercompatibility


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