Magneto-Raman Spectroscopy on multiferroic metal-organic framework [(CH<sub>3</sub>)<sub>2</sub>NH<sub>2</sub>]Co(HCOO)<sub>3</sub>]

POSTER

Abstract

Designing functional materials is one of the important goals of materials research. One of the route towards achieving this goal involves using organic groups to synthesize wide variety of compounds with intriguing properties. Metal-organic framework is a class of compounds where organic groups are used in combination with transition metal ions to obtain multifunctional materials. Recently, it has been demonstrated that the family of compounds [(CH3)2NH2]M(HCOO)3 (with M=Ni,Mn,Co and Fe) exhibit multiferroic properties [1]. Therefore, several efforts have been made to understand the nature and strength of exchange interactions in these materials [2]. To obtain more information about the interplay between the spin, charge and lattice degrees of freedom, we performed magneto-Raman spectroscopy on [(CH3)2NH2]Co(HCOO)3 at magnetic fields up to 15 T. In this poster, I will discuss the main results of our investigations and its potential functionality.

*Funding Acknowledgement: Work at NHMFL was supported by NSF DMR-1157490 and the state of Florida. The project is also funded by DoN HBCU/MI program.

Presenters

  • Rachael Richardson

    • Florida A&M Univ

Authors

  • Rachael Richardson

    • Florida A&M Univ

  • Zhengguang Lu

    • National High Magnetic Field Laboratory
    • Florida State Universtiy
    • Physics, Florida State University
    • Natl High Magnetic Field Lab
    • NHMFL, FSU

  • Dmitry Smirnov

    • 1800 East Paul Dirac Drive, Natl High Magnetic Field Lab
    • Natl High Magnetic Field Lab
    • National High Magnetic Field Laboratory
    • NHMFL
    • Condensed Matter Science, National High Magnetic Field Laboratory
    • NHMFL, FSU

  • David Mandrus

    • Department of Materials Science and Engineering, The University of Tennessee
    • Oak Ridge National Lab
    • Oak Ridge National Laboratory
    • Department of Materials Science and Engineering, University of Tennessee
    • University of Tennessee
    • Materials Science and Technology, Oak Ridge National Laboratory
    • Materials Science and Engineering, The University of Tennessee
    • Materials Science and Engineering, University of Tennessee
    • Material Science and Technology Division, Oak Ridge National Laboratory
    • Oakridge National Laboratory
    • University of Tennessee, Knoxville
    • Univ of Tennessee, Knoxville

  • Komalavalli Thirunavukkuarasu

    • Florida A&M Univ
    • Physics, Florida A&M University
    • Florida A&M University
    • Florida A&M Univ.