Students with Ph.D.: Interested to join our group?
Contact us with CVs for applying DST-NPDF fellowship
Research focus: Exploring Novel Quantum Phenomena and Materials for Advanced Device Applications
New Quantum Materials with Unique Properties.
Exploration of Quantum Phenomena in Low-Dimensional Materials.
Topology-Driven Long-Range Order in Strongly Correlated Materials.
Density Wave Physics and Phase Transitions.
Criticality of Electronic Transitions in Strongly Correlated Materials.
Utilization of Quantum Properties for Device Applications.
We are working on low-dimensional vdW materials, for example, (1) Quasi-2D vdW ferromagnets and topological materials, and (2) Quasi-1D vdW materials. These materials provide us with a versatile scientific platform for studying critical quantum phenomena, such as the dynamical response of charge density waves (CDW) and topological phases in 1D chains, with enormous potential for device applications.
August 2023: Congratulations to Mr. Satyabrata Bera for the manuscript titled “Anomalous Hall effect induced by Berry curvature in topological nodal-line van der Waals ferromagnet Fe4GeTe2” accepted in Physical Review B.
July 2023: Congratulations to Mr. Satyabrata Bera for the manuscript titled “Enhanced coercivity and emergence of spin cluster glass state in 2D ferromagnetic material Fe3GeTe2” accepted in Journal of Magnetism and Magnetic Materials.
July 2023: Congratulations to Mr. Arnab Bera for the manuscript titled “Centrosymmetric-noncentrosymmetric Structural Phase Transition in Quasi one-dimensional compound, (TaSe4)3I” published in Physical Review B.
July 2023: Congratulations to Prof. Goutam Sheet & his group and Mr. Satyabrata Bera for the manuscript titled “High transport spin polarization in the van der Waals ferromagnet, Fe4GeTe2” published in Physical Review B.
February 2023: Congratulations to Arnab Bera for the manuscript titled "Emergence of electric field-induced conducting states in single-crystalline MoTe2 nanoflakes and its application in memristive devices", published in Applied Surface Science.
January 2023: Congratulations to Mr. Satyabrata, Prof. Malik, and his group members for the manuscript titled “Charge Transport and Low-frequency conductance Noise in Metal-nanoparticle Embedded One-dimensional Conducting Polymer Nanotubes: Multiple Resistive Switching Phenomena” published in Materials Today Nano.
January 2023: Congratulations to Mr. Satybrata Bera for the manuscript titled "Unravelling the nature of spin reorientation transition in quasi-2D vdW magnetic material, Fe4GeTe2", published in the Journal of Magnetism and Magnetic Materials.
June 2022: Congratulations to Sk Kalimuddin and Dr. Biswajit Das for the manuscript titled "Nonlinear coherent light-matter interaction in 2D MoSe2 nanoflakes for all-optical switching and logic applications", published in Advanced Optical Materials.
Associate Professor, 2022 - Pres., School of Physical Sciences, IACS, Kolkata
Assistant Professor, 2017 - 2022, School of Physical Sciences, IACS, Kolkata
Postdoctoral research:
Postdoctoral fellow, 2016 – 2017, Johns Hopkins University, Maryland, USA.
Postdoctoral fellow, 2013 – 2016, ETH Zurich, Switzerland.
Education:
Ph.D., 2008 – 2013, Tata Institute of Fundamental Research, Mumbai, India.
M.Sc., 2006 – 2008, Physics, Indian Institute of Technology, Kanpur, India.
B.Sc., 2003 – 2006, Physics, University of Calcutta, Kolkata, India.
SRF(UGC-CSIR)
M.Sc., RKMVU Belur Math
Contact: sspab7@iacs.res.in
Research topic: Electronic transport properties of low dimensional metal-chalcogenides.
SRF (UGC-CSIR)
M.Sc., IIT Guwahati
Contact: sspsb5@iacs.res.in
Research topic: Investigation of transport and magnetic properties of low dimensional magnetic materials.
SRF, Int. PhD, IACS
M.Sc. IACS
Contact: intdydt@gmail.com
Research topic: Electrodynamic response of quasi-one-dimensional systems
JRF (Inspire)
M.Sc., RKMRC (Narendrapur)
Contact: spsdsr2670@iacs.res.in
Research topic: Investigation of carrier dynamics using THz spectroscopy and 1/f conductance fluctuation measurements.
Dr. Hasan Afzal
Research Associate – I
UGC-DAE-CSR, Indore
Experimental condensed matter physics
hasan1afzal7@gmail.com
|
Applied Physics Letters: 1
JMMM: 3
|
Nature communication [IF 17.69]: 1
Materials Today Nano [IF 13.364]: 1
Advanced Optical Materials [IF 10.05]: 1
Applied Surface Science [IF 7.392]: 1
ACS Applied Electronic Materials [IF 4.494]: 1
Others: 7
|
Our primary research focus is the investigation of quantum phenomena in various functional quantum materials, including superconductors, novel magnetic (such as 2D magnets and spin liquid systems), and topological materials. We also study their properties in nanostructures to probe critical quantum phenomena in the nanoscale for device applications.
We probe these materials by measuring the electrodynamic response at different energy scales using measurement techniques such as THz spectroscopy and low-frequency 1/f conductance noise spectroscopy. Here is a list of a few important measurement probes used for our study.
1) THz spectroscopy
Currently, we are setting up the THz spectroscopy using components purchased from different sources.
2) Electron transport
(a) Low-frequency 1/f conductance noise spectroscopy – DC and lock-in based 1/f noise measurements.
(b) Four probe transport/ hall effect down to 1.7 K
3) Thermal transport
“Thermoelectric power", “Thermal conductivity” measurements, and “Differential scanning calorimetry (DSC)” to investigate phase transitions and slow dynamics in different functional quantum materials over the temperature range from 77 K to 400 K.
4) Spacial self-phase modulation (SSPM) spectroscopy
The strong light-matter interactions in 2D and 1D materials can produce many interesting nonlinear optical phenomena and quasiparticle excitations that can have far-reaching implications in science and technology. The recently developed SSPM spectroscopy will be very effective in understanding the response of charge density wave (CDW) and their coherent interactions with light in 1D and 2D materials. Recently, we used SSPM to study nonlinear light-matter interactions in MoSe2-based composites and FnGeTe2 (with n = 3, 4, and 5).
(a) Sk Kalimuddin et al., 2022, Advanced Optical Materials, 2200791 (2022).
(b) Satybrata Bera et al., 2022 (under preparation).
We have one Ph.D. position (preferably with UGC-CSIR JRF) and one postdoc position (willing to apply for NPDF!) in our group. Interested candidates are encouraged to send their CVs to Dr. Mondal at sspmm4@iacs.res.in or mintumondal.iacs@gmail.com.
