Zero Thermal Expansion in a Nanostructured Inorganic-Organic Hybrid Crystal
Journal Article
·
· Physical Review Letters
- National Renewable Energy Laboratory, 1617 Cole Boulevard, Golden, Colorado 80401 (United States)
- Advanced Photon Source, Argonne National Laboratory, 9700 S. Cass Avenue, Argonne, Illinois 60439 (United States)
- Department of Chemistry and Biochemistry, University of Colorado, Boulder, Colorado 80309 (United States)
- Department of Physics, University of Arkansas, Fayetteville, Arkansas 72701 (United States)
- Department of Chemistry and Chemical Biology, Rutgers, State University of New Jersey, Piscataway, New Jersey 08854 (United States)
There are very few materials that exhibit zero thermal expansion (ZTE), and of these even fewer are appropriate for electronic and optoelectronic applications. We find that a multifunctional crystalline hybrid inorganic-organic semiconductor, {beta}-ZnTe(en){sub 0.5} (en denotes ethylenediamine), shows uniaxial ZTE in a very broad temperature range of 4-400 K, and concurrently possesses superior electronic and optical properties. The ZTE behavior is a result of compensation of contraction and expansion of different segments along the inorganic-organic stacking axis. This work suggests an alternative route to designing materials in a nanoscopic scale with ZTE or any desired positive or negative thermal expansion (PTE or NTE), which is supported by preliminary data for ZnTe(pda){sub 0.5} (pda denotes 1,3-propanediamine) with a larger molecule.
- OSTI ID:
- 21024499
- Journal Information:
- Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 21 Vol. 99; ISSN 0031-9007; ISSN PRLTAO
- Country of Publication:
- United States
- Language:
- English
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