Thermally induced and photoinduced mechanical effects in molecular single crystals - A revival

Naba K. Nath, Manas K. Panda, Subash Chandra Sahoo, Pance Naumov

Research output: Contribution to journalArticle

Abstract

The classical perception of single crystals of molecular materials as rigid and brittle entities has downsized the research interest in their mechanical effects that had been initiated and was active back in the 1980s. More recently, the modern analytical techniques for their mechanical, electron-microscopic, structural, spectroscopic and kinematic characterization have contributed to accumulate compelling evidence that under certain circumstances, even some seemingly rigid single crystals can deform, bend, twist, hop, wiggle or perform other 'acrobatics' that are atypical for non-soft matter. These examples contribute to a paradigm shift in our understanding of the elasticity of molecular crystals and also provide direct mechanistic insight into the structural perturbations at the limits of the susceptibility of ordered matter to internal and external mechanical forces. As the relevance of motility and reshaping of molecular crystals is being recognized by the crystal research community as a demonstration of a very basic concept - conversion of thermal or light energy into work - a new and exciting crystal chemistry around mechanically responsive single crystals rapidly unfolds.

Original languageEnglish (US)
Pages (from-to)1850-1858
Number of pages9
JournalCrystEngComm
Volume16
Issue number10
DOIs
StatePublished - Mar 14 2014

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Molecular crystals
Single crystals
single crystals
Crystal chemistry
crystals
locomotion
Elasticity
Kinematics
Demonstrations
thermal energy
Crystals
kinematics
elastic properties
Electrons
chemistry
magnetic permeability
perturbation
shift
electrons
energy

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

Cite this

Thermally induced and photoinduced mechanical effects in molecular single crystals - A revival. / Nath, Naba K.; Panda, Manas K.; Sahoo, Subash Chandra; Naumov, Pance.

In: CrystEngComm, Vol. 16, No. 10, 14.03.2014, p. 1850-1858.

Research output: Contribution to journalArticle

Nath, Naba K. ; Panda, Manas K. ; Sahoo, Subash Chandra ; Naumov, Pance. / Thermally induced and photoinduced mechanical effects in molecular single crystals - A revival. In: CrystEngComm. 2014 ; Vol. 16, No. 10. pp. 1850-1858.
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