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Investigation of structure-property relations in chemically and magnetically disordered materials can give rise to interesting physical phenomena. The potential of two-dimensional MXenes as electrodes in supercapacitor applications have…

Materials Science · Physics 2023-05-30 Mandira Das , Himanshu Murari , Subhradip Ghosh , Biplab Sanyal

This work describes the ethanol oxidation reaction (EOR) in alkaline medium using low-palladium nanoparticle electrocatalysts modified by Fe3O4 nano-octahedra and SnO2 nanorods. Operation studies on an alkaline direct ethanol fuel cell…

Magnetoelectroluminescence (MEL) of organic semiconductor has been experimentally tuned by adopting blended emitting layer consisting of both hole and electron transporting materials. A theoretical model considering intermolecular quantum…

Materials Science · Physics 2015-05-14 B. F. Ding , Y. Yao , X. Y. Sun , Z. Y. Sun , X. D. Gao , Z. T. Xie , Z. J. Wang , X. M. Ding , Y. Z. Wu , X. F. Jin , C. Q. Wu , X. Y. Hou

Possible candidates for the Mg2B3Ox nanostructures observed in bulk of polycrystalline MgB2 (Ref.1) have been studied using a combination of Z-contrast imaging, electron energy loss spectroscopy (EELS) and first-principles calculations. The…

Superconductivity · Physics 2009-11-10 Juan C. Idrobo , Serdar Ogut , Taner Yildirim , Robert F. Klie , Nigel D. Browning

The mixed valence Cr compound NaCr$_2$O$_4$, synthesized using a high-pressure technique, offers a unique playground for investigating unconventional physical properties in condensed matter. In the present study, muon spin…

Efficient generation of charge carriers from a metallic surface is a critical challenge in a wide variety of applications including vacuum microelectronics and photo-electrochemical devices. Replacing semiconductors with vacuum/gas as the…

Applied Physics · Physics 2018-05-09 Shiva Piltan , Dan Sievenpiper

We present here the results of our density-functional-theory-based calculations of the electronic and geometric structures and energetics of Se and O adsorption on Ru 93- and 105-atom nanoparticles. These studies have been inspired by the…

Materials Science · Physics 2012-10-09 Sebastian Zuluaga , Sergey Stolbov

We report room temperature ferromagnetism in Ni doped CeO2 nanoparticles using X-ray diffraction (XRD), high resolution transmission electron microscopy (HR-TEM), and dc magnetization measurements. Nanoparticles of Ce1-xNixO2 (0.0 \leq x…

Mesoscale and Nanoscale Physics · Physics 2011-01-31 Shalendra Kumar , Young. Joo. Kim , B. H. Koo , C. G. Lee

We combine for the first time the properties of ordered mesoporous thin films and complex oxide nanoparticles in the design of new heterostructures, taking advantage of the accessible tridimensional pores network. In this work, we…

Mesoscale and Nanoscale Physics · Physics 2026-01-01 S. Passanante , M. Quintero , A. Zelcer , M. S. Moreno , D. Lionello , D. Vega , L. P. Granja

In semiconductors, quantum confinement can greatly enhance the interaction between band carriers (electrons and holes) and dopant atoms. One manifestation of this enhancement is the increased stability of exciton magnetic polarons in…

Mesoscale and Nanoscale Physics · Physics 2017-04-27 W. D. Rice , W. Liu , V. Pinchetti , D. R. Yakovlev , V. I. Klimov , S. A. Crooker

A new dual plasma coating process to produce platinum-free catalysts for the oxygen reduction reaction in a fuel cell is introduced. The catalysts thus produced were analysed with various methods. Electrochemical characterisation was…

The Ca$_2$MnReO$_6$ double perovskite is a spin-orbit-assisted Mott insulator with exotic magnetic properties, including a largely non-collinear Mn$^{2+}$ spin arrangement and nearly orthogonal coupling between such spins and the much…

Strongly Correlated Electrons · Physics 2022-04-27 A. S. Cavichini , M. T. Orlando , M. C. A. Fantini , R. Tartaglia , C. W. Galdino , F. Damay , F. Porcher , E. Granado

In the realm of plasmonic catalytic systems, much attention has been devoted to the plasmon-derived mechanisms, yet the influence of nanoparticles' crystal facets in this type of processes has been sparsely investigated. In this work, we…

Electrocatalysts of nitrogen reduction reaction (NRR) have attracted ever-growing attention due to its application for renewable energy alternative to fossil fuels. However, activation of inert N-N bond requires multiple complex charge…

Materials Science · Physics 2022-04-20 Zheng Shu , Hejin Yan , Hongfei Chen , Yongqing Cai

The photothermal properties of MXenes originate from their high free electron concentration, which drives localized surface plasmon resonance (LSPR). However, their intrinsic electron concentration is limited by suboptimal d-orbital…

Materials Science · Physics 2025-07-09 Haoming Ding , Xiao Tong , Yong Zhang

It was aimed to determine whether plasma processing could contribute to enhanced capacitance and energy density of activated carbon electrode based electrochemical capacitors, through the formation of additional surface charges. While an…

Materials Science · Physics 2016-07-13 M. Muriel , R. Narayanan , P. R. Bandaru

Control of magnetism by an applied electric field is a desirable technique for the functionalization of magnetic materials. Motivated by recent experiments, we study the electric field control of the interfacial magnetism of…

Materials Science · Physics 2023-08-21 Churna Bhandari , S Satpathy

Novel photoelectrocatalysts that use sunlight to power the CO$_2$ reduction reaction will be crucial for carbon-neutral power and energy-efficient industrial processes. Scalable photoelectrocatalysts must satisfy a stringent set of…

The high field magnetization and magneto transport measurements are carried out to determine the critical superconducting parameters of MgB2-xCx system. The synthesized samples are pure phase and the lattice parameters evaluation is carried…

Superconductivity · Physics 2015-05-13 Monika Mudgel , L. S. Sharath Chandra , V. Ganesan , G. L. Bhalla , H. Kishan , V. P. S. Awana

The conversion of waste carbon dioxide (CO2) gas into valuable products and fuels through an electrocatalytic CO2 reduction reaction (CO2RR) is a promising approach. The sluggish kinetics of the CO2RR require the development of novel…

Materials Science · Physics 2024-04-16 Lokesh Yadav , Srimanta Pakhira
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