Indian Association for the Cultivation of Science

Name : Saurav Giri

Department : School of Physical Sciences
Designation : Senior Professor
Contact : +91 33 2473 4971 (Ext:1315)
Email :


Current Research : Quantum magnetism, Multiferroics, Multicalorics, Exchange bias, Topological Materials





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


Arpan Hati

M.Sc. National Institute of Technology, Calicut, 2019
+91-33-24734971 (Ext. 1330)
Dr. Moumita Das

National Post Doctoral Fellow
Ph.D. from Saha Institute of Nuclear Physics, Kolkata, 2021
+91-33-24734971 (Ext. 1330)
Atanu Roychowdhury

MSc. Ramakrishna Mission Vivekananda University, Belur Math 2019
+91-33-24734971 (Ext. 1330)
Shameek Mukherjee

M.Sc. Indian Association for the Cultivation of Science(Int PPS), 2018
+91-33-24734971 (Ext. 1330)
Tamal Kumar Dalui

M.Sc University Of Calcutta, 2017
Ph.D. +91-33-24734971 (Ext. 1330)
Pradeepta Kumar Ghose

MSc. Ramakrishna Mission Vivekananda University, Belur Math 2017
+91-33-24734971 (Ext. 1330)
Alorika Chatterjee

M.Sc, Banaras Hindu University,2015
+91-33-24734971 (Ext. 1330)
Jayjit Kumar Dey

M.Sc IIT Guwahati, 2014
+91-33-24734971 (Ext. 1330)
Dr. Subha Samanta

RA 1
Ph.D. from Indian Association for the Cultivation of Science, Kolkata, 2022
+91-33-24734971 (Ext. 2211)





Full Publication Lists:



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 NiFe2O4 -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




Courses on

Magnetism and Nanomagnetism

Condensed Matter Physics





Sample Preparation:  

  • Two 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

Open Positions

PhD Student : Apply for JRF position with biodata who are CSIR/UGC/INSPIRE qualified.


Contact Us


Prof. Saurav Giri

Senior Professor & School Chair
Office: +91-33-24734971 (Ext. 315)
Fax: +91-33-24732805
IACS main building, Room: 1A



PhD Students Alumni
1. Dr. Kalyanashis De

Present position:Assistant Professor,
Neotia Institute of Technology Management and Science, Kolkata, West Bengal
2.Dr. Manoj Thakur

Present position:
Currently in Germany
3.Dr. Moumita Patra

Present position: Assistant Professor,
Raghunathpur College, Purulia,West Bengal
4.Dr. Sampad Das

Present position:Assistant Professor,
Burdwan Raj College, Bardhaman, West Bengal
5.Dr. Arindam Karmakar

Present position:Assistant Professor,
Surya Sen Mahavidyalaya, Siliguri, West Bengal
6.Dr. Md G. Masud

Present position: Assistant Professor,
Basanti Devi College, Kolkata, West Bengal
7.Dr. Arijit Ghosh

Present position:Assistant Professor,
Ananda Mohan College, Kolkata, West Bengal
8.Dr. Sk Sabyasachi

Present position:Assistant Professor,
Sundarban Hazi Desarat College, Pathankhali, West Bengal
9.Dr. Koushik Dey

Present position:Assistant Professor,
Santal Bidroha Sardha Satabarsiki Mahavidyalaya, Paschim Medinipur, West Bengal
10.Dr. Debajyoti De

Present position: Assistant Professor,
Sukumar Sengupta Mahavidyalaya, Midnapore, West Bengal
11.Ankita Indra

Present position: Assistant Professor,
Srikrishna College, Bagula, West Bangal, India
12.Dr.Subha Samanta

Present position: Research Associate 1,
IACS, Kolkata, West Bangal, India


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