activity
20182025
most citedCoexistence of Diamagnetism and Vanishingly Small Electrical Resistance at Ambient Temperature and Pressure in Nanostructures

23 citations · 38 across the 7 of their papers we have counts for

collaborators

7 papers

cond-mat.mes-hall2025

Emergent Rashba spin-orbit coupling in bulk gold with buried network of nanoscale interfaces

Shreya Kumbhakar, Banashree Debnath, Tuhin Kumar Maji +8

The Rashba effect, which plays a crucial role in fundamental materials physics and potential spintronics applications, has been engineered in diverse systems, including semiconduct…

cond-mat.mes-hall2024★ 13 cited

Engineering ultra-strong electron-phonon coupling and nonclassical electron transport in crystalline gold with nanoscale interfaces

Shreya Kumbhakar, Tuhin Kumar Maji, Binita Tongbram +8

Electrical resistivity in good metals, particularly noble metals such as gold (Au), silver (Ag), or copper, increases linearly with temperature () for , wher…

cond-mat.mes-hall2020

Electron Condensation in a Jellium Coupled to a Finite Photonic Cavity

Pritha Mondal, Subham Kumar Saha, Awadhesh Narayan +1

We describe the process of electron condensation into a localized state in a structureless jellium that is coupled to a finite cavity. It is shown that there exists a temperature T…

cond-mat.supr-con2019

Observation of excess resistance anomaly at resistive transitions in Ag/Au nanostructures

Phanibhusan S Mahapatra, Subham Kumar Saha, Rekha Mahadevu +8

The resistive transition in nanocomposite films of silver (Ag) nanoclusters of ~ 1 nm diameter embedded in gold (Au) matrix exhibits an anomalous resistance peak at the onset of th…

cond-mat.mes-hall2019★ 2 cited

Current-voltage characteristics in Ag/Au nanostructures at resistive transitions

Saurav Islam, Rekha Mahadevu, Subham Kumar Saha +7

Transitions to immeasurably small electrical resistance in thin films of Ag/Au nanostructure-based films have generated significant interest because such transitions can occur even…

cond-mat.mtrl-sci2019

Unconventional Optical Response in Engineered Au-Ag Nanostructures

Dev Kumar Thapa, Subham Kumar Saha, Biswajit Bhattacharyya +3

This article describes the optical properties of nanostructures composed of silver particles embedded into a gold matrix. In previous studies these materials were shown to exhibit…

cond-mat.supr-con2018★ 23 cited

Coexistence of Diamagnetism and Vanishingly Small Electrical Resistance at Ambient Temperature and Pressure in Nanostructures

Dev Kumar Thapa, Saurav Islam, Subham Kumar Saha +7

The great practical utility has motivated extensive efforts to discover ultra-low resistance electrical conductors and superconductors in ambience. Here we report the observation o…