"

Cookies ussage consent

Our site saves small pieces of text information (cookies) on your device in order to deliver better content and for statistical purposes. You can disable the usage of cookies by changing the settings of your browser. By browsing our site without changing the browser settings you grant us permission to store that information on your device.

I agree, do not show this message again.

Microstructure of magnetite doped elastomers investigated by SAXS and SANS

M. BALASOIU1,2,* , M. L. CRAUS3,2, A. I. KUKLIN2, J. PLESTIL4, V. HARAMUS5, A. H. ISLAMOV2, R. ERHAN1,2, E. M. ANITAS2,6, M. LOZOVAN3, V. TRIPADUS1, C. PETRESCU6, D. SAVU7, S. SAVU7, I. BICA7

Affiliation

  1. National Institute of Physics and Nuclear Engineering, Bucharest
  2. Joint Institute of Nuclear Research, Dubna, Russia
  3. National Institute of Research and Development for Technical Physics, Iasi, Romania
  4. Institute of Macromolecular Chemistry, Academy of Sciences of the Czech Republic, Prague
  5. GKSS Forschungszentrum, Geesthacht, Germany
  6. ICPE SA Bucharest, Romania
  7. West University of Timisoara, Department of Electricity and Magnetism, Timisoara, Romania

Abstract

We present some recent results on the SAXS and SANS investigations of the magnetic elastomers. Samples were obtained by polymerizing dimethylsiloxane with Fe3O4 ferrofluid in a magnetic field and without magnetic field and characterized by XRD, SANS and SAXS. The SAXS maximum at large angles, obtained from magnetic elastomers, was fitted by using a Pseudo-Voigt function. It was found that the Fe3O4 particles lead to a significant change of the local structure of elastomer, meaning the decrease of the quasi-crystalline phase and the micro-strains into the matrix. The average particle size obtained from SANS measurements agrees well with the average particle size determined by XRD and SAXS analysis. The splitting of the SANS intensity owing to an additional scattering in zero field reflects the existence of magnetic correlations inside the Q region of 0.005 Å -1< Q < 0.02 Å -1..

Keywords

SANS, SAXS, Magnetic elastomers, Ferrofluids, Fe3O4, XRD, Local structure.

Submitted at: Sept. 1, 2008
Accepted at: Nov. 11, 2008

Citation

M. BALASOIU, M. L. CRAUS, A. I. KUKLIN, J. PLESTIL, V. HARAMUS, A. H. ISLAMOV, R. ERHAN, E. M. ANITAS, M. LOZOVAN, V. TRIPADUS, C. PETRESCU, D. SAVU, S. SAVU, I. BICA, Microstructure of magnetite doped elastomers investigated by SAXS and SANS, Journal of Optoelectronics and Advanced Materials Vol. 10, Iss. 11, pp. 2932-2935 (2008)