output
20112025
most citedFerroelectricity in epitaxially strained rhombohedral ZrO2 thin films

60 citations

37 papers

hep-ex2025★ 1 cited

Unsupervised Particle Tracking with Neuromorphic Computing

Emanuele Coradin, Fabio Cufino, Muhammad Awais +6

We study the application of a neural network architecture for identifying charged particle trajectories via unsupervised learning of delays and synaptic weights using a spike-time-…

gr-qc2021★ 6 cited

An exact model for evaporating primordial black holes in cosmological space-time

Semin Xavier, Alan Sunny, S. Shankaranarayanan

Primordial black holes (PBHs) in the mass range are considered as possible dark matter candidates as they are not subject to big-bang nucleosynthesis c…

astro-ph.CO2021★ 1 cited

Generating Seed magnetic field à la Chiral Biermann battery

Arun Kumar Pandey, Sampurn Anand

Cosmological and astrophysical observations indicate the presence of magnetic field over all scales. In order to explain these magnetic fields, it is assumed that there exists a se…

cond-mat.mtrl-sci2020★ 60 cited

Ferroelectricity in epitaxially strained rhombohedral ZrO2 thin films

J. P. B. Silva, R. F. Negrea, M. C. Istrate +7

Zirconia and hafnia based thin films have attracted tremendous attention in the last decade due to their unexpected ferroelectric behavior at the nanoscale, which facilitates the d…

cond-mat.stat-mech2020★ 6 cited

Optimized efficiency at maximum figure of merit and efficient power of Power law dissipative Carnot like heat engines

K. Nilavarasi, M. Ponmurugan

In the present work, a power law dissipative Carnot like heat engine cycle of two irreversible isothermal and two irreversible adiabatic processes with finite time non-adiabatic di…

quant-ph2019★ 6 cited

Squeezing in resonance fluorescence via vacuum induced coherences

H. B. Crispin, R. Arun

The squeezing spectrum of the fluorescence field emitted from a four-level atom in to configuration driven by two coherent fields is studied. We find that the squee…

quant-ph2019★ 15 cited

Force sensing beyond standard quantum limit with optomechanical `soft' mode induced by non-linear interaction

U. Satya Sainadh, M. Anil Kumar

We consider an optomechanical system that is composed of a mechanical and an optical mode interacting through a linear and quadratic optomechanical dispersive couplings. The system…

cond-mat.stat-mech2019★ 3 cited

The invariant based investigation of Shortcut to Adiabaticity for Quantum Harmonic Oscillators under time varying frictional force

T. Kiran, M. Ponmurugan

We investigate the Shortcuts To Adiabaticity (STA) of a quantum harmonic oscillator under time-dependent frictional force, using invariant based inverse engineering method with a c…

cond-mat.stat-mech2019★ 5 cited

Efficiency at the maximum power of the power law dissipative Carnot-like Heat engines with non-adiabatic dissipation

M. Ponmurugan

We study the efficiency at maximum power of non-adiabatic dissipative (internally dissipative friction in finite time adiabatic processes) Carnot-like heat engines operate in finit…

cond-mat.mtrl-sci2019★ 3 cited

Ti4+ Substituted Magnesium Hydride as Promising Material for Hydrogen Storage and Photovoltaic Applications

R Varunaa, S Kiruthika, P Ravindran

In order to overcome the disadvantages of MgH2 towards its applications in on-board hydrogen storage, first principle calculations have been performed for Ti (2+, 3+, and 4+) subst…

cond-mat.mtrl-sci2019★ 9 cited

Metamagnetism stabilized giant magnetoelectric coupling in ferroelectric \textit{x}BaTiO-(1-\textit{x})BiCoO solid solution

Lokanath Patra, Zhao Pan, Jun Chen +2

In order to establish the correlation between the magnetoelectric coupling and magnetic instability, we have studied the structural, magnetic, and ferroelectric properties of \text…

cond-mat.mtrl-sci2019★ 44 cited

Giant Negative Thermal Expansion Induced by the Synergistic Effects of Ferroelectrostriction and Spin-Crossover in PbTiO3-Based Perovskites

Zhao Pan, Jun Chen, Runze Yu +18

The discovery of unusual negative thermal expansion (NTE) provides the opportunity to control the common but much desired property of thermal expansion, which is valuable not only…

cond-mat.mtrl-sci2019★ 8 cited

Amphoteric behavior of hydrogen (H+1and H-1) in complex hydrides from van der Waals interaction included ab-initio calculation

S Kiruthika, H. Fjellvag, P Ravindran

In order to identify potential hydrogen storage materials, worldwide attention has been focused on hydrides with high gravimetric and volumetric capacity. Hydrogen is a unique elem…

cond-mat.stat-mech2019★ 2 cited

Heat engine model exhibit super-universal feature and capture the efficiencies of different power plants

M Ponmurugan

We propose a generalized model of a heat engine and calculate the minimum and maximum bounds on the efficiency at maximum power. We obtain a universal form of generalized extreme b…

quant-ph2018★ 6 cited

Fluorescence control through vacuum induced coherences

H. B. Crispin, R. Arun

The resonance fluorescence of a four-level atom in J = 1/2 to J = 1/2 transition driven by two coherent fields is studied. We find that the incoherent fluorescence spectrum shows a…

cond-mat.mtrl-sci2018

Theoretical Investigation on the Effect of multinary Isoelectronic Substitution on TiCoSb based half-Heusler alloys

Mukesh K. Choudhary, P. Ravindran

To understand the effect of isoelectronic substitution on thermoelectric properties of TiCoSb based half - Heusler (HH) alloys, we have systematically studied the transport propert…

cond-mat.soft2018★ 10 cited

Controlling breath figure patterns on PDMS by concentration variation of ethanol-methanol binary vapors

K Nilavarasi, V Madhurima

In this paper, the self-assembly of condensed droplets on smooth and constrained surfaces under saturated vapor atmosphere of ethanol and methanol binary system is reported. Hexago…

cond-mat.stat-mech2018

Van der Waal's gas equation for an adiabatic process and its Carnot engine efficiency

Kiran S. Kumar, Aravind P. Babu, M. Ponmurugan

There has been many studies on gases which obeys Van der Waal's equation of state. However there is no specific and direct studies of Van der Waal's gas which undergoes adiabatic p…

cond-mat.mtrl-sci2017★ 1 cited

A First Principle Study on Iron Substituted LiNi(BO3) to use as Cathode Material for Li-ion Batteries

Anu Maria Augustine, Vishnu Sudarsanan, Geo Sunny +1

In this work, the structural stability and the electronic properties of LiNiBO 3 and LiFe x Ni (1-x) BO 3 are studied using first principle calculations based on density functional…

cond-mat.mtrl-sci2017

Magnetoelectric Properties of Pb Free Bi2FeTiO6: A Theoretical Investigation

Lokanath Patra, P. Ravindran

The structural, electronic, magnetic and ferroelectric properties of Pb free double perovskite multiferroic Bi2FeTiO6 are investigated using density functional theory within the ge…

cond-mat.mtrl-sci2017★ 2 cited

Chemical Bonding Analysis on Amphoteric Hydrogen - Alkaline Earth Ammine Borohydrides

S Kiruthika, P Ravindran

Usually the ions in solid are in the positive oxidation states or in the negative oxidation state depending upon the chemical environment. It is highly unusual for an ion having bo…

cond-mat.mtrl-sci2017★ 2 cited

Effect of multinary substitution on electronic and transport properties of TiCoSb based half-Heusler alloys

Mukesh K. Choudhary, P. Ravindran

The electronic structures of TixZrx/2CoPbxTex, TixZrx/2Hfx/2CoPbxTex (x = 0.5), and the parent compound TiCoSb were investigated using the full potential linearized augmented plane…

cond-mat.mtrl-sci2017

Search for Thermoelectrics with High Figure of Merit in half-Heusler compounds with multinary substitution

Mukesh K. Choudhary, P Ravindran

In order to improve the thermoelectric performance of TiCoSb we have substituted 50% of Ti equally with Zr and Hf at Ti site and Sb with Sn and Se equally at Sb site. The electroni…

physics.comp-ph2017★ 2 cited

Theoretical Investigation of the Magnetoelectric Properties of Bi2NiTiO6

Lokanath Patra, P. Ravindran

We report the first principle investigations on the structural, electronic, magnetic and ferroelectric properties of a Pb free double perovskite multiferroic Bi2NiTiO6 using densit…