Spontelectrics
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Spontelectrics is a form of solid state thin films with some peculiar physical properties.
Properties
When laid down as thin films tens to hundreds of molecular layers thick, a range of materials spontaneously generate large electric fields. The electric fields can be greater than 108 V/m.[1]
Spontelectric behaviour is intrinsic to the dipolar nature of the constituent molecules.
The detection (in ~2009) of spontaneous electric fields in numerous solid films prepared by vapour deposition raises fundamental questions about the nature of disordered materials.[2][3][4][5][6]
David Field played a major role in the discovery[when?] of spontelectrics.[citation needed]
External links
- Spontelectrics, or the solid state continues to surprise us
- Fysikoverraskelse: Elektrisk spænding opstår spontant i tyndfilm af lattergas
- Another way to sponteletrics.
References
- ^ Field, David; O. Plekan; A. Cassidy; R. Balog; N.C. Jones; J. Dunger (12 Mar 2013). "Spontaneous electric fields in solid films: spontelectrics". Int. Rev. Phys. Chem. 32 (3): 345–392. doi:10.1080/0144235X.2013.767109. S2CID 96405473.
- ^ Plekan, Oksana; Andrew Cassidy; Richard Balog; Nykola C. Jones; David Field (2012). "Spontaneous electric fields in films of cis-methyl formate". Phys. Chem. Chem. Phys. 14 (28): 9972–9976. Bibcode:2012PCCP...14.9972P. doi:10.1039/C2CP41229B. PMID 22714668.
- ^ Balog, R; Cicman P; Jones NC; Field D (Feb 2009). "Spontaneous dipole alignment in films of N2O". Phys. Rev. Lett. 102 (7): 073003. Bibcode:2009PhRvL.102g3003B. doi:10.1103/PhysRevLett.102.073003. PMID 19257663.
- ^ Plekan, Oksana; A. Cassidy; R. Balog; N.C. Jones; D. Field (2011). "A new form of spontaneously polarized material". Phys. Chem. Chem. Phys. 13 (47): 21035–21044. Bibcode:2011PCCP...1321035P. doi:10.1039/C1CP22310K. PMID 22020313.
- ^ Field, David; Oksana Plekan; Andrew Cassidy; Richard Balog; Nykola Jones (2011). "A new class of spontaneously polarized materials" (PDF). Europhysics News. 42 (6): 32–35. Bibcode:2011ENews..42...32F. doi:10.1051/epn/2011605.
- ^ Cassidy, Andrew; O. Plekan; R. Balog; N.C. Jones; D. Field (2013). "Spontaneous electric fields in films of CF3Cl, CF2Cl2 and CFCl3". Phys. Chem. Chem. Phys. 15 (1): 108–113. Bibcode:2013PCCP...15..108C. doi:10.1039/C2CP43138F. PMID 23147680.