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A swift chemical route to synthesize Co-doped SnO$_2$ nanopowders is described. Pure and highly stable Sn$_{1-x}$Co$_x$O$_{2-\delta}$ (0 $\le$ x $\le$ 0.15) crystalline nanoparticles were synthesized, with mean grain sizes < 5 nm and the…

Materials Science · Physics 2015-03-31 T. Entradas , J. Cabrita , S. Dalui , M. R. Nunes , O. C. Monteiro , A. J. Silvestre

The present study describes a facile route of zinc oxide (ZnO) grows using the solution-dependent electrostatic spray deposition (ESD) method at temperatures ranging from 300 {\deg}C - 500 {\deg}C. In this work, zinc chloride (ZnCl2) was…

Materials Science · Physics 2024-06-21 Fysol Ibna Abbas , Mutsumi Sugiyama

Nd_0.5 Ca_0.5 MnO_3 (NCMO) nanoparticles (average diameter ~ 20 and 40 nm) are synthesized by polymeric precursor sol-gel method and characterized by X- ray diffraction, transmission electron microscopy (TEM), selective area electron…

Strongly Correlated Electrons · Physics 2009-11-11 S. S. Rao , S. V. Bhat

Speckle patterns have been widely confirmed that can be utilized to reconstruct the wavelength information. In order to achieve higher resolution, a varies of optical diffusing waveguides have been investigated with a focus on their…

The synthesis of aluminum substituted strontium hexaferrite nanoparticles (SrFe12-xAlxO19 with x = 0-3), via three different preparation methods, is investigated. The synthesis methods are hydrothermal autoclave (AC) synthesis, a citrate…

We use neutron scattering to study the electron-doped superconducting NaFe$_{0.985}$Co$_{0.015}$As ($T_c=14$ K), which has co-existing static antiferromagnetic (AF) order ($T_N=31$ K) and exhibits two neutron spin resonances ($E_{r1}\approx…

Superconductivity · Physics 2017-03-29 Weiyi Wang , J. T. Park , Rong Yu , Yu Li , Yu Song , Zongyuan Zhang , Alexandre Ivanov , Jiri Kulda , Pengcheng Dai

A novel nanocomposite system has been prepared by dispersing multiferroic bismuth ferrite nanoparticles (BiFeO$_3$) in a bent-core nematic liquid crystal (8-F-OH) that exhibits cybotactic clusters. Transition temperature, optical textures,…

Soft Condensed Matter · Physics 2024-07-10 Dhananjoy Mandal , Yiwei Wang , Supreet Kaur , Golam Mohiuddin , Apala Majumdar , Aloka Sinha

We investigate the spatial distribution of spin orientation in magnetic nanoparticles consisting of hard and soft magnetic layers. The nanoparticles are synthesized in a core / shell spherical morphology where the magnetically hard, high…

Mesoscale and Nanoscale Physics · Physics 2021-05-26 C. Kons , K. L. Krycka , J. Robles , Nikolaos Ntallis , Manuel Pereiro , Manh-Huong Phan , Hariharan Srikanth , J. A. Borchers , D. A. Arena

Nanoparticles of Ferric Chloride doped ZnS has been synthesized by simple chemical precipitation method and characterized by XRD, SEM, UV-Vis analysis, Differential Thermal Analysis, Thermo Gravimetric Analysis and Differential Scanning…

Chemical Physics · Physics 2013-03-12 T. Theivasanthi , N. Kartheeswari , M. Alagar

Samarium doped BiFeO3 compounds having nano-size crystallites were prepared by the ethylene glycol assisted sol-gel synthesis method. X-ray diffraction and SEM measurements as well as Raman spectroscopy and FTIR experiments were used to…

Structure and magnetic properties of the compounds $Zn_{1-x}Cu_xCr_2O_4$ (ZCCO) are investigated systematically. A structural phase transition from space-group symmetry $Fd3m$ to $I4_1/amd$ is observed in ZCCO. The critical value of the…

Materials Science · Physics 2008-02-04 Li-qin Yan , Ferran Maciá , Jun-rong Zhang , Zhong-wei Jiang , Jun Shen , Lun-hua He , Fang-wei Wang

Series of metastable Me1-xZnxO solid solutions (Me = Ni2+, Co2+, Fe2+, Mn2+) with the rocksalt (rs) crystal structure have been synthesized from the binary oxides by quenching from 7.7 GPa and 1450-1650 K. Phase composition of the samples,…

Materials Science · Physics 2011-02-04 A. N. Baranov , P. S. Sokolov , O. O. Kurakevych , V. A. Tafeenko , D. Trots , V. L. Solozhenko

A simple route to prepare Gd$_{0.7}$Sr$_{0.3}$MnO$_3$ nanoparticles by ultrasonication of their bulk powder materials is presented in this article. For comparison, Gd$_{0.7}$Sr$_{0.3}$MnO$_3$ nanoparticles are also prepared by ball milling.…

Mesoscale and Nanoscale Physics · Physics 2017-07-03 M. A. Basith , M. A. Islam , Bashir Ahmmad , Md. Sarowar Hossain , K. Mølhave

This study investigates the formation of zinc oxide (ZnO) nanoparticles, a material of significant technological interest with complex structural properties, through atom-by-atom deposition modeling a process common in bottom-up synthesis.…

Materials Science · Physics 2026-04-14 Quentin Gromoff , Magali Benoit , Jacek Goniakowski , Carlos R. Salazar , Julien Lam

The equation for the size strain plot methods reported by A. Khorsand Zak et al. (Solid State Sci. 13 (2011), 251) does not follow the dimensional homogeneity, consequently leading to an inaccurate estimation of the crystallite size and…

Materials Science · Physics 2022-11-29 Anand Pal

Lowering the operating temperature of Solid Oxide Fuel Cells (SOFCs) is essential for improving durability and enabling large scale commercialization. Mixed ionic-electronic conductors (MIECs) of the Ruddlesden-Popper family, such as…

The structural, optical and magnetic properties of the Zn1-xMnxO (0 < x < 0.05) thin films synthesized by sol-gel technique have been analyzed in the light of modification of the electronic structure and disorder developed in the samples…

Materials Science · Physics 2015-06-11 R. Karmakar , S. K. Neogi , Aritra Banerjee , S. Bandyopadhyay

The cuprates seem to exhibit statistics, dimensionality and phase transitions in novel ways. The nature of excitations [i.e. quasiparticle or collective], spin-charge separation, stripes [static and dynamics], inhomogeneities, psuedogap,…

Superconductivity · Physics 2009-11-07 Sher Alam , A. T. M. N Islam , I. Tanaka , P. Badica , H. Oyanagi , H. Kawanaka , M. O. Rahman , T. Yanagisawa

The structural and magnetic properties of ZnFe2O4 nanoparticles embedded in a non-magnetic ZnO matrix are presented. X-ray diffractograms and Transmission Electron Microscopy (TEM) images showed that the resulting samples are composed of…

Materials Science · Physics 2012-12-13 G. F. Goya , E. R. Leite

The dephasing time of the lowest bright exciton in CdSe/ZnS wurtzite quantum dots is measured from 5 K to 170 K and compared with density dynamics within the exciton fine structure using a sensitive three-beam four-wave-mixing technique…

Mesoscale and Nanoscale Physics · Physics 2012-02-23 Francesco Masia , Nicolò Accanto , Wolfgang Langbein , Paola Borri