Spontelectrics

In solid state physics, spontelectrics is the study and phenomenon of thin films of various materials producing strong electric fields.

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]

References

  1. ^ 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.
  2. ^ 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.
  3. ^ 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.
  4. ^ 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.
  5. ^ 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.
  6. ^ 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.

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