Nonlinear electrical transport unveils Fermi surface malleability in a moiré heterostructure
S. Datta*, S. Bhowmik*, H. Varshney, K. Watanabe, T. Taniguchi, A. Agarwal, and U. Chandni.
(* equal contribution)
Emergent phases in graphene flat bands
S. Bhowmik, A. Ghosh, and U. Chandni.
Reports on Progress in Physics (2024).
Non-Boltzmann thermoelectric transport in minimally twisted bilayer graphene
B. Ghawri, P. S. Mahapatra, M. Garg, S. Mandal, A. Jayaraman, K. Watanabe, T. Taniguchi, M. Jain, U. Chandni, and A. Ghosh.
Phys. Rev. B 109, 045436 (2023).
Phonon-mediated magneto-resonances in biased graphene layers
M. Pandey, K. Watanabe, T. Taniguchi, S. Raghavan, and U. Chandni.
2D Materials. 11 015005 (2023).
Spin-orbit coupling-enhanced valley ordering of malleable bands in twisted bilayer graphene on WSe2
S. Bhowmik, B. Ghawri, Y. Park, D. Lee, S. Datta, R. Soni, K. Watanabe, T. Taniguchi, A. Ghosh, J. Jung, and U. Chandni.
Nature Communications 14, Article number: 4055 (2023).
Twisted Bilayer Graphene
U. Chandni
Physics News Vol. 52-4-A7 (October-December 2022).
This is a general article describing the emergent phenomena in twisted bilayer graphene, published by the Indian Physics Association in the October-December 2022 issue of Physics News.
Mutual Stabilization of Metastable Phases of Tin Oxide: Epitaxial Encapsulation of Tetragonal SnO Microcrystals by Orthorhombic SnO2
K. Jagadish, R. K. Rai, M. Pandey, U. Chandni, and N. Ravishankar.
J. Phys. Chem. C. 126, 15001−15010 (2022).
Quantum Hall interferometry in triangular domains of marginally twisted bilayer graphene.
P. S. Mahapatra, M. Garg, B. Ghawri, A. Jayaraman, K. Watanabe, T. Taniguchi, A. Ghosh, and U. Chandni.
Broken-symmetry states at half-integer band fillings in twisted bilayer graphene.
S. Bhowmik, B. Ghawri, N. Leconte, S. Appalakondaiah, M. Pandey, P. S. Mahapatra, D. Lee, K. Watanabe, T. Taniguchi, J. Jung, A. Ghosh, and U. Chandni.
Nature Physics 18, 639-643 (2022).
News and Views in Nature Physics by Eric Spanton.
Breakdown of semiclassical description of thermoelectricity in near-magic angle twisted bilayer graphene.
B. Ghawri*, P. S. Mahapatra*, M. Garg*, S. Mandal, S. Bhowmik, A. Jayraman, R. Soni, K. Watanabe, T. Taniguchi, H. R. Krishnamurthy, M. Jain, S. Banerjee, U. Chandni, and A. Ghosh.
Nature Communications 13, 1522 (2022).
(* equal contribution)
Solution Phase Synthesis of Radial-Axial Heterostructured Nanowires with Coherent Interfaces.
D. Samantaray, A. Kumar, P. Ghosh, D. Chatterjee, P. Bellare, M. Pandey, U. Chandni, and N. Ravishankar.
J. Phys. Chem C. 125, 3102 (2021).
Tailoring the transfer characteristics and hysteresis in MoS2 transistors using substrate engineering.
P. Prasad, M. Garg, and U. Chandni.
Non-invasive sub-surface electrical probe for encapsulated layers in van der Waals heterostructures.
M. Pandey, R. Soni, A. Mathur, A. Singh, A. K. Singh, S. Raghavan, and U. Chandni.
Phys. Rev. Appl. 12, 064032 (2019).
Signatures of phonon and defect assisted tunneling in planar metal-hexagonal boron nitride- graphene junctions.
U. Chandni, K. Watanabe, T. Taniguchi, and J. P. Eisenstein.
Evidence for Defect-Mediated Tunneling in Hexagonal Boron Nitride-Based Junctions.
U. Chandni, K. Watanabe, T. Taniguchi, and J. P. Eisenstein.
Transport in indium-decorated graphene.
U. Chandni, E. A. Henriksen, and J. P. Eisenstein.
Phys. Rev. B 91, 245402 (2015).
Tunability of Electronic States in Ultrathin Gold Nanowires.
U. Chandni, P. Kundu, S. Kundu, N. Ravishankar, and A. Ghosh.
Advanced Materials 25, 2486 (2013).
Pristine, adherent ultrathin gold nanowires on substrates and between pre-defined contacts via a wet chemical route.
P. Kundu, U. Chandni, A. Ghosh, and N. Ravishankar.
Insulating state and breakdown of Fermi liquid description in molecular-scale single-crystalline wires of gold.
U. Chandni, P. Kundu, A. K. Singh, N. Ravishankar, and A. Ghosh.
Simple kinetic sensor to structural transitions.
U. Chandni, and A. Ghosh.
Phys. Rev. B. 81, 134105 (2010).
A fluctuation-based characterization of athermal phase transitions: Application to shape memory alloys.
U. Chandni, S. Kar-Narayan, A. Ghosh, H. S. Vijaya, and S. Mohan.
Acta Materialia 57, 6113 (2009).
Criticality of tuning in athermal phase transitions.
U. Chandni, A. Ghosh, H. S. Vijaya, and S. Mohan.
Phys. Rev. Lett. 102, 025701 (2009).
Signature of martensite transformation on conductivity noise in thin films of NiTi shape memory alloys.
U. Chandni, A. Ghosh, H. S. Vijaya, and S. Mohan.
Appl. Phys. Lett. 92, 112110 (2008).