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Name : Saurav Giri

Department : School of Physical Sciences
Designation : Senior Professor
Contact : +91 33 2473 4971 (Ext:1315)
Email : sspsg2@iacs.res.in


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Current Research : Quantum magnetism, Multiferroics, Multicalorics, Exchange bias, Topological Materials, Thin films, Anomalous Hall effect, Spin seebeck effect



Academic Profile

Academic Profile

  • Ph. D. from Saha Institute of Nuclear Physics (Calcutta University,)
  • Post doctoral research at Kyoto University, Japan
  • Research Associate at Saha Institute of Nuclear Physics
  • Senior Lecturer at IACS from May 4, 2001
  • Associate Professor  at IACS from 2005
  • Professor  at IACS from 2009
  • Senior Professor at IACS from 2014


Group


Roni Bose

JRF (Project)
M.Sc. University of Delhi, 2023
Ph.D
boseroni589@gmail.com
+91-33-24734971 (Ext. 1330)
Debapriya Chatterjee

JRF
M.Sc. University of Burdwan, 2019
Ph.D
debapriya746@gmail.com
+91-33-24734971 (Ext. 1330)
Arpan Hati

SRF
M.Sc. National Institute of Technology, Calicut, 2019
Ph.D
arpncrj123@gmail.com
+91-33-24734971 (Ext. 1330)
Atanu Roychowdhury

SRF
MSc. Ramakrishna Mission Vivekananda Educational and Research Institute, Belur Math 2019
Ph.D.
a.roychowdhury18@gmail.com
+91-33-24734971 (Ext. 1330)
Shameek Mukherjee

SRF
M.Sc. Indian Association for the Cultivation of Science(Int PPS), 2018
Ph.D.
physics.shameek@outlook.in
+91-33-24734971 (Ext. 1330)
Pradeepta Kumar Ghose

SRF
MSc. Ramakrishna Mission Vivekananda Educational and Research Institute, Belur Math 2017
Ph.D.
pradeeptakumarghose@gmail.com
+91-33-24734971 (Ext. 1330)


Publication

Linear magnetoelectric coupling without long-range magnetic order and rare-earth-free large magnetocaloric effect in Co3V2O8- S. Mukherjee, N. Mondal, M. Polentarutti, G. Bais, S. Majumdar, S. Giri, Phys. Rev. B 109, 014418 – Published 22 January 2024

Multiferroic order and large magnetic refrigeration capacity in Gd2MnFeO6: Significance of magnetic frustration and Jahn-Teller distortion- A. Hati, S. Mukherjee, N. Mondal, S. Bhowmik, G. Manna, S. Majumdar, S. Giri, Phys. Rev. B 108, 144431 – Published 25 October 2023

Ferroelectric order with a linear high-field magnetoelectric coupling in Na2Co2TeO6: A proposed Kitaev compound- S. Mukherjee, G. Manna, P. Saha, S. Majumdar, and S. Giri, Phys. Rev. Materials 6, 054407- Published 17 May 2022

Magnetic order and surface state gap in (Sb0.95Cr0.05)2Te3-T. K. Dalui, P. K. Ghose, S. Majumdar, S. K. Mahatha, F. Diekmann, K. Rossnagel, R. Tomar, S. Chakraverty,A. Berlie, and S. Giri, Phys. Rev. B 103, 064428 – Published 22 February 2021

Rhombohedral distortion-driven ferroelectric order and exchange bias effect in geometrically frustrated ZnFe2O4-J. K. Dey, A. Chatterjee, A.-C. Dippel, O. Gutowski, M. v. Zimmermann,S. Majumdar, and S. Giri, Phys. Rev. Materials 5, 014410 – Published 19 January 2021

Natural ferroelectric order near ambient temperature in the orthoferrite HoFeO3-K. Dey, A. Indra. S. Mukherjee, S. Majumdar, J. Strempher, O. Fabelo, E. Mossou, T. Chatterji, and S. Giri, Phys. Rev. B 100, 214432- Published 26 December 2019

Tuning of multiferroic order with Co doping in CuCr2O4: Interplay between structure and orbital order: A. Chatterjee, J. K. Dey, S. Majumdar, A.-C. Dippel, O. Gutowski, M. v. Zimmermann, and S. Giri, Phys. Rev. Materials 3, 104403 – Published 8 October 2019

High-temperature ferroelectric order and magnetoelectric coupling driven by the magnetic field cooling effect in R2BaCuO5(R=Er,Dy,Sm) : A Indra, S Mukherjee, S Majumdar, O Gutowski, M Zimmermann, S Giri , Phys. Rev. B 100 (1), 014413 – Published 10 July 2019

Ferroelectric order associated with ordered occupancy at the octahedral site of the inverse spinel structure of multiferroic NiFe 2 O 4 -J. K. Dey, A. Chatterjee, S. Majumdar, A.-C. Dippel, O. Gutowski, M. v. Zimmermann, and S. Giri, Phys. Rev. B 99, 144412 (2019) - Published 15 April 2019

CrO4 distortion-driven ferroelectric order in (R, Y) CrO 4 (R= Sm, Gd, and Ho): A new family of multiferroics-A Indra, K Dey, JK Dey, S Majumdar, U Rütt, O Gutowski, M v Zimmermann, S Giri, -Phys. Rev. B 98, 014408 – Published 5 July 2018

Chemical-pressure-driven orthorhombic distortion and significant enhancement of ferroelectric polarization in Ca1−xLaxBaCo4O7(x≤0.05) -K. Dey, A. Indra, A. Chatterjee, S. Majumdar, U. Rütt, O. Gutowski, M. v. Zimmermann, and S. Giri- Phys. Rev. B 96, 184428 – Published 27 November 2017

Magnetoelectric memory in reentrant frozen state and considerable ferroelectricity in the multiferroic spin-chain compound Sm2BaNiO5 -A. Indra, K. Dey, S. Majumdar, I. Sarkar, S. Francoual, R. P. Giri, N. Khan, P. Mandal, and S. Giri- Phys. Rev. B 95, 094402 – Published 3 March 2017

Probing core and shell contributions to exchange bias in Co/Co3O4 nanoparticles of controlled size-D. De, Òscar Iglesias, S. Majumdar, and Saurav Giri- Phys. Rev. B 94, 184410 – Published 11 November 2016

Large magnetic cooling power involving frustrated antiferromagnetic spin-glass state in R2NiSi3(R=Gd,Er)-Santanu Pakhira, Chandan Mazumdar, R. Ranganathan, S. Giri, and Maxim Avdeev Phys. Rev. B 94, 104414 – Published 14 September 2016

Thermally assisted and magnetic field driven isostructural distortion of spinel structure and occurrence of polar order in CoCr2S4-K. Dey, A. Karmakar, A. Indra, S. Majumdar, U. Rütt, O. Gutowski, M. v. Zimmermann, and S. Giri- Phys. Rev. B 92, 024401 – Published 1 July 2015

Ferroelectricity in spiral short-range-ordered magnetic state of spinel MnCr2O4: Significance of topological frustration and magnetoelastic coupling -K. Dey, S. Majumdar, and S. Giri- Phys. Rev. B 90, 184424 – Published 21 November 2014

Strong magnetoelastic coupling and unconventional electric polarization in the triangular-lattice multiferroic Li0.99Cu0.01CrO2 -K. Dey, A. Karmakar, S. Majumdar, and S. Giri- Phys. Rev. B 87, 094403 – Published 5 March 2013

Glassy magnetic phase driven by short-range charge and magnetic ordering in nanocrystalline La1/3Sr2/3FeO3−δ: Magnetization, Mössbauer, and polarized neutron studies -Sk. Sabyasachi, M. Patra, S. Majumdar, S. Giri, S. Das, V. S. Amaral, O. Iglesias, W. Borghols, and T. Chatterji- Phys. Rev. B 86, 104416 – Published 12 September 2012


Teaching

Teaching

Courses on :

Magnetism and Nanomagnetism

Condensed Matter Physics

 

 


Facilities

Facilities

Sample Preparation:  

  • Three Zone High Temperature Furnace for single crystal growth
  • High Temperature Muffle Furnace
  • Vaccum Sealing Unit

Measurement  facilities:

  • Low temperature dielectric measurement
  • Low temperature (2K), high magnetic (9T)  dc transport measurement
  • Low/High temperature thermoelectric measurement
  • Ferroelectric Polarization
  • PPMS EverCool- II