The pressure influence on the incommensurate–commensurate ferroelectric phase transition in [4-NH2C5H4NH][SbCl4]

̧czek, M. Zdanowska-Fra; Jakubas, R.

doi:10.1016/j.ssc.2005.09.005

Solid State Communications

2005

DOI: 10.1016/j.ssc.2005.09.005

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The pressure influence on the incommensurate–commensurate ferroelectric phase transition in [4-NH2C5H4NH][SbCl4]

M. Zdanowska-Fra ̧czek

R. Jakubas

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2010

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Crystal structure and electrical properties study of 4-aminopyridinium chloridobismuthate (III) (C5N2H7)4.HBi2Cl11

Khelifi¹,

Mkaouar²,

Hlel

et al. 2010

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The crystal structure of (C 5 N 2 H 7 ) 4 .HBi 2 Cl 11 has been determined at room temperature by single crystal X-ray diffraction. The compound crystallizes in the triclinic system with Pī space group. The crystal structure consists of two asymmetric inequivalent molecules of 4-aminopyridinium and anionic HBi 2 Cl 11 chains. The HBi 2 Cl 11 anionic chains stacked along the a-axis are formed with Bi 2 Cl 11 dimers connected to each other via hydrogen atoms. The crystal packing is stabilized with N-H...Cl hydrogen bonds connecting aminopyridinium units to the HBi 2 Cl 11 anionic chains. The title compound exhibits an order-disorder phase transition at 338 K. The AC electrical conductivity properties of (C 5 N 2 H 7 ) 4 . HBi 2 Cl 11 compound have been investigated by means of impedance spectroscopy measurements over wide ranges of frequencies and temperatures, 200 Hz to 5 MHz and 303 to 418 K, respectively. Detailed analysis of the impedance spectrum suggests that the electrical properties of the material are strongly temperature dependent. The frequency-dependent conductivity data were fitted in the Jonscher's law: s w ð Þ ¼ sð0Þ þ Aw n . The nature of variation of DC conductivity suggests Arrhenius type of electrical conductivity.

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Crystal structure and electrical properties study of 4-aminopyridinium chloridobismuthate (III) (C5N2H7)4.HBi2Cl11

Khelifi¹,

Mkaouar²,

Hlel

et al. 2010

Ionics

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show abstract

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The pressure influence on the incommensurate–commensurate ferroelectric phase transition in [4-NH2C5H4NH][SbCl4]

Cited by 1 publication

References 21 publications

Crystal structure and electrical properties study of 4-aminopyridinium chloridobismuthate (III) (C5N2H7)4.HBi2Cl11

Crystal structure and electrical properties study of 4-aminopyridinium chloridobismuthate (III) (C5N2H7)4.HBi2Cl11

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