INST Faculty Directory

Dr. Suvankar Chakraverty

Assistant Professor (Scientist D),

Associate Dean Research

Education

♦ Ph.D. in material physics.S.N. Bose National Centre for Basic Sciences (2000-2006)

♦ M.Sc (Physics), University of Calcutta, India (1998-2000)

♦ B.Sc (Physics Hons.) University of Calcutta, India (1995-1998)

Positions Held/Research Experience

♦ Research Scientist (Assistant professor equivalent) The Institute of Physical and Chemical Research (RIKEN),
Wako, Japan.2013

♦ JSPS-GCOE Postdoctoral Fellow at Tohoku University (2008-2010)

♦ Postdoctoral Researcher, Indian Association for the Cultivation of Science, Kolkata, India. (2007-2008)

♦ Visiting Research Dept. of Engineering Sciences, The Ångström Laboratory, Uppsala University,Uppsala, Sweden.
2008(Three months).

Research interests

Designing (and understanding the physical properties) of new materials with integrated functionalities for spin-electronics (spintronics / skyrmionics) devices in the form of thin films and interfaces with atomic scale control and monitoring the growth process using laser molecular beam epitaxy method.  

A. Designing New materials in thin film or interface form using laser molecular beam epitaxy.
B. Structural (surface) characterization using X-ray diffraction and Atomic force microscopy.
C. Magnetic property measurements.
D. Four probe/Hall bar/Transistor device fabrication for transport properties study.

Recent Publications

1. Bhanu Prakash and S. Chakraverty*, "Realization of atomically flat steps and terraces like surface of SrTiO3 (001) single crystal by hot water etching and high temperature annealing", Solid State Communications, 2015 (Accepted)

2. T. Tsuyama, T. Matsuda, S. Chakraverty, J. Okamoto, E. Ikenaga, A. Tanaka, T. Mizokawa, H. Y. Hwang,
Y. Tokura, and H. Wadati, "X-ray spectroscopic study of BaFeO3 thin films: An Fe4+ ferromagnetic insulator", Phys. Rev. B 91, 115101 (2015)

Publications

1. In-plane terahertz response of thin film Sr2RuO4 Y. Takahashi, S. Chakraverty, M. Kawasaki, H. Y. Hwang and Y. Tokura. Phys. Rev. B 89, 165116 (2014).

2. “Multiple helimagnetic phases and topological Hall-effect in epitaxial Thin films of pristine and Co-doped SrFeO3 S. Chakraverty*, T. Matsuda, H. Wadati, E. Ikenaga, J. Okamoto, Y. Yamasaki, H. Nakao, Y. Murakami, S. Ishiwata, M. Kawasaki, Y. Taguchi, Y. Tokuraand H. Y.Hwang. Phys. Rev. B Rapid communication, 88, 220405 (2013).

3. BaFeO3 cubic single crystalline thin film: A ferromagnetic insulator S.Chakraverty, T. Matsuda, N. Ogawa, H. Wadati, M. Kawasaki, Y. Tokura, and H. Hwang.  Appl. Phys. Lett.,103, 142416 (2013)

4. Atomic-scale Structure and Electronic Property of the La2FeCrO6/SrTiO3 Interface” ShuhuiLv,Mitsuhiro Saito,Zhongchang Wang,Chunlin Chen, Suvankar Chakraverty, Masashi Kawasaki, and Yuichi Ikuhara. J. Appl.Phys.,114, 113705 (2013)(Cover Page)

5. “Engineered spin-valve type magnetoresistance in Fe3O4-CoFe2O4 core-shellnanoparticles” P. Anil Kumar, Sugara Ray,Suvankar Chakraverty and D. D. Sarma. Appl. Phys. Lett.,103, 102406 (2013).

6. Atomistic geometry and bonding characteristics at the Sr2FeTaO6/SrTiO3interface ShuhuiLv,Mitsuhiro Saito,Zhongchang Wang,Suvankar Chakraverty, Masashi Kawasakiand Yuichi Ikuhara. Appl. Phys. Lett.,102, 221602 (2013).

7. Spontaneous B-site order and metallic ferrimagnetism in LaSrVMoO6 grownby pulsed laser deposition
S.Chakraverty, X. Yu, M. Kawasaki,Y. Tokura, and H. Hwang. Appl. Phys. Lett.,102, 222406 (2013).

8. “Spontaneous atomic ordering and magnetism in epitaxially stabilized Double perovskites A. Ohtomo, S. Chakraverty, H. Mashiko, T. Oshima and M. Kawasaki. Journal of Materials Research, Volume 28, pp. 689-695, (2013).
(Invited Feature Review)

9. Spontaneous atomic ordering and magnetism in epitaxially stabilized double perovskites  A. Ohtomo, S. Chakraverty,H. Mashiko, T. Oshima, M. Kawasaki. 2012 Materials Research Society Spring Meeting, MRS Proceedings,
Cambridge University Press, Volume 1454, pp. 3-13, May. 2012. (Reviewed).

10. Epitaxially stabilized EuMoO3: A new itinerant ferromagnet Y. Kozuka, H. Seki, T. C. Fujita, S. Chakraverty, K. Yoshimatsu, H. Kumigashira, M. Oshia, M. S. Bahramy, R. Arita, and M. Kawasaki. Chem.Mater.(ACS Publication),24, 3746-3750 (2012).

11. “Magnetoresistance and electroresistance effect in Fe3O4 nanoparticle system” P. Anil Kumar, Sugata Ray, S. Chakraverty and D. D. Sarma. Journal of Experimental Nanoscience, Online published 26 June (2012).

12. “Magnetic properties of Sr2FeTaO6 double perovskite epitaxially grownby pulsed-laser deposition”
S. Chakraverty, M. Saito, S. Tsukimoto, Y. Ikuhara, A. Ohtomoamd M. Kawasaki. Appl. Phys. Lett., 99, 223101 (2011).

13. “Magnetic and electronic properties of La2VMnO6 ordered double perovskite  thin films” S.Chakraverty, K. Yoshimatshu, Y. KOzuka, H. Kumigashira, M. Oshima, T. Makino, A. Ohtomo, and M. Kawasaki. Phys. Rev. B, 84, 132411 (2011).

14. “Ferrimagnetism and spontaneous ordering of transition metals in double perovskite La2CrFeO6 films”
S.Chakraverty, A. Ohtomo,D. Okuyama, M. Saito,M. Okude,R. Kumai,T. Arima,Y. Tokura,S. Tsukimoto,Y. Ikuhara,and M. Kawasaki. Phys. Rev. B, 84, 064436 (2011).

15. “Controlled B-site ordering in Sr2CrReO6 double perovskite films by using pulsed laser interval deposition”
S.Chakraverty, A. Ohtomo and M. Kawasaki. Appl. Phys. Lett., 97, 243107 (2010). Highlighted in : Virtual Journal of Nanoscale Science & Technology, December 20, 2010.

16. Epitaxial Structure of (001) and (111)-Oriented Perovskite Ferrate Films Grown by Pulsed-Laser Deposition
   Suvankar Chakraverty, AkiraOhtomo, MasakiOkude, Kazunori Ueno andMasashi Kawasaki. Crystal Growth & Design (ACS Publication),10(4), 1725–1729 (2010).

17. “"Stochastic Modeling of Coercivity " - A Measure of Non- equilibrium State.” S.Chakraverty, M. Bandyopadhyay. J. Phys.: Condens. Matter., 19, 216201(2007).

18. “Magnetic Coding in a System of Nano-magnetic Particles” S.Chakraverty, A. Frydman, B. Ghosh, S. Kumar.
Appl. Phys.Lett., 88, 042501 (2006).

19. “Memory in a magnetic nanoparticle system: Polydispersity and interactionEffects.” S. Chakraverty, M. Bandyopadhyay, S. Chatterjee, S. Dattagupta, A.Frydman, S. Sengupta, and P. A. Sreeram. Phys. Rev. B, 71,  054401 (2005). Highlighted in : Virtual Journal of Nanoscale Science & Technology,February 14, 2005

20. “Positron annihilation studies ofsome anomalous features of NiFe2O4 nanocrystals grown in SiO2.”S.Chakraverty, Subarna Mitra, K. Mandal, P. M. G. Nambissan, and S.Chattopadhyay. Phys. Rev. B,71, 024115 (2005).

21. “Magnetic properties of NiFe2O4-SiO2nanocomposite.” S.Chakraverty, K. Mandal ,S.  Chatterjee and S. Kumar.
I.J. Phys.,78A(2),177-183(2004).

22. “Magnetic Properties of NiFe2O4 Nanoparticles in SiO2 Matrix.” Suvankar Chakraverty, KalyanMandal, Subarna Mitra, Sanjay Chattopadhyayand Sanjay Kumar.J. J. of Appl. Phys., 43, 11A, 7782-7787 (2004).

23. “Size-dependent magnetic properties of Mn0.5Zn0.5Fe2O4 nanoparticles in SiO2Matrix.” K. Mandal, S.Chakraverty, S. Pan Mandal, P. Agudo, M. Pal, and D.Chakravorty. J. Appl. Phys., 92, 501 (2002).

Awards :
1. The Swedish Foundation for International Cooperation in Research and Higher education had awarded a three month fellowship to work at Uppsala University (Sweden) with Prof. Per Nordblad on Magnetic Tunnel Junctionand Exchange Bias.

2. Kinkenwakate 2008, Japan, best presentation award.

3. 16th International Workshop on Oxide Electronics Tarragona Spain, best presentation award. 2009.

4. Marubun research grant award 2010, Tokyo Japan.

CONTACT INFORMATION :

Tel: 0172 - 2210075 (Ext. 220)
Email Id : suvankar.chakraverty(at)inst(dot)ac(dot)in

Office Address :

Room No. 20

Institute of Nano Science & Technology

Habitat Centre, Sector - 64, Phase X, Mohali

Punjab, India - 160062