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Electron Spin Resonance (ESR) Study of Four Perovskite Layer Compounds [NH3-(CH2)3-COOH]2 CuCl4 , [CH3-(CH2)7-NH3]2CuCl4 , [NH3-(CH2)8-NH3]CuCl4, AND [NH3-(CH2)10-NH3] CuCl4

Author

Listed:
  • J. Aazza
  • K Elmebrouki
  • M Khechoubi
  • A Khmou

Abstract

Perovskite Layer compounds with the general formula (CnH2n+1NH3)2MX4 (CnMX4 for short) or [NH3-(CH2)n-NH3] MX4 (Short notation 2CnMX4) where M is a divalent metal atom and X an halogen (M = Cu, Mn, Zn, Co, Cd…) (X = Cl, Br…) are lamellar type structures and typical “Sandwich” system because of the regular alternation of inorganic and hydrocarbon regions that consist of long chain alkylammonium groups ionically bonded to an inorganic support. Perovskite Layer compounds are Phase Change Material which have solid-solid transitions and thermal properties good for Thermal Energy Storage. Electron Spin Resonance (ESR) study was done to some of the perovskite layers that we have synthesized. It shows a Ferromagnetic Resonance line (FMR) that split into two overlapped spectral lines for 2C8CuCl4. The observed splitting of the FMR signal has been observed in other layered compounds.

Suggested Citation

  • J. Aazza & K Elmebrouki & M Khechoubi & A Khmou, 2013. "Electron Spin Resonance (ESR) Study of Four Perovskite Layer Compounds [NH3-(CH2)3-COOH]2 CuCl4 , [CH3-(CH2)7-NH3]2CuCl4 , [NH3-(CH2)8-NH3]CuCl4, AND [NH3-(CH2)10-NH3] CuCl4," Journal of Asian Scientific Research, Asian Economic and Social Society, vol. 3(11), pages 1072-1077.
    • Handle: RePEc:asi:joasrj:v:3:y:2013:i:11:p:1072-1077:id:3562
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