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Related papers: X-ray Diffraction Analysis of Cu2+ Doped Zn1-xCuxF…

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We report on Cu nuclear quadrupole resonance (NQR) and NMR studies of an optimally hole-doped superconductor Ca2-xNaxCuO2Cl2 (Tc ~ 28 K for x ~ 0.2). In spite of robust oxygen composition, we observed a multiple broad NQR frequency spectrum…

Superconductivity · Physics 2015-06-15 Y. Itoh , T. Machi , I. Yamada , M. Azuma , M. Takano

NixMn0.25-xMg0.75Fe2O4 nano-ferrites (where x = 0.00, 0.05, 0.10, 0.15 and 0.20) were produced via sol-gel auto-combustion technique. Investigations were done into how the incorporation of Ni ions affects the Mn0.25Mg0.75Fe2O4 ferrite's…

Applied Physics · Physics 2023-01-05 Hussein I. Mahdi , Nabeel A. Bakr , Tagreed M. Al-Saadi

Comprehensive neutron scattering studies were carried out on a series of high-quality single crystals of Cu_{1-x}Zn_xGeO_3. The Zn concentration, x, was determined for each sample using Electron Probe Micro-Analysis. The measured Zn…

Strongly Correlated Electrons · Physics 2009-10-30 Michael C. Martin , M. Hase , K. Hirota , G. Shirane , Y. Sasago , N. Koide , K. Uchinokura

Sr1-xMnxTiO3 (where x = 0.03, 0.05, 0.07 and 0.09) was synthesized via different routes that include solid-state, oxalate precipitation and freeze drying. In oxalate precipitation technique, compositions corresponding to 3 and 5 mol %…

Materials Science · Physics 2012-05-08 K. R. S. Preethi Meher , C. Bogicevic , Pierre-Eymeric Janolin , K. B. R. Varma

A series of high-quality La2-xSrxCuO4 (LSCO) superconductor crystals in the under-doping region with x = 0.063, 0.07, 0.09, 0.10, 0.111 and 0.125 has been successfully prepared by traveling-solvent floating-zone (TSFZ) technique. The…

Superconductivity · Physics 2009-11-07 F Zhou , W X Ti , J W Xiong , Z X Zhao X L Dong , P H Hor , Z H Zhang , W K Chu

In this work we present systematic set of measurements carried out by muon spin rotation/relaxation ($\mu^+$SR) and neutron powder diffraction (NPD) on the solid solution Na$_{\rm x}$Ca$_{1- \rm x}$Cr$_2$O$_4$. This study investigates…

To reduce reliance on experimental fitting data within the crystal plasticity finite element method (CPFEM), an approached is proposed that integrates first-principles calculations based on density functional theory (DFT) to predict the…

Materials Science · Physics 2022-06-14 John D. Shimanek , Shipin Qin , Shun-Li Shang , Zi-Kui Liu , Allison M. Beese

The diffraction peaks of Zircaloy-2 and Zr-2.5%Nb alloys at various deformations are found to be asymmetric in nature. In order to characterize the microstructure from these asymmetric peaks of these deformed alloys, X-Ray Diffraction Line…

Materials Science · Physics 2007-05-23 A. Sarkar , P. Mukherjee , P. Barat

Copper ferrite nanoparticles have catalytic activity for hydrogen peroxide, which can be used in many fields. This characteristic comes from the physical properties of matters at nanometer scale. Thus, controlling the size and aggregation…

Applied Physics · Physics 2023-10-13 Zihan Huang , Siyi Li , He Ding , Piao Pingyang , Jun Xinhuang

Single crystals of SmFeAsO1-xFy of a size up to 120 micrometers have been grown from NaCl/KCl flux at a pressure of 30 kbar and temperature of 1350-1450 C using the cubic anvil high-pressure technique. The superconducting transition…

Superconductivity · Physics 2009-11-13 N. D. Zhigadlo , S. Katrych , Z. Bukowski , S. Weyeneth , R. Puzniak , J. Karpinski

In this paper we report structural and optical properties of Magnesium substituted Zinc Oxide (Zn1-xMgxO) nanocrystals (~10-12nm) synthesized by low temperature route. In the low temperature synthesis route it was possible to reach x = 0.17…

Materials Science · Physics 2011-09-15 Manoranjan Ghosh , A. K. Raychaudhuri

We present the results of experiments on synthesis of ZnO nanoclusters by reactive pulsed laser deposition (PLD). The nanoclusters were formed and crystallized in the gas phase and deposited on SiO2 substrates. The nanostructured films were…

Materials Science · Physics 2007-05-23 Igor Ozerov , Dimitri Nelson , Alexander V. Bulgakov , Wladimir Marine , Marc Sentis

In the present work, ultrathin films of Zinc oxide (ZnO) and Aluminum doped zinc oxide (AZO) with 20 nm thick were fabricated at 300 K on glass and Polyethylene terephthalate (PET) substrates by means of directcurrent sputtering method. The…

Applied Physics · Physics 2017-10-11 mohammed rasheed , Regis Barille

The Zn-paratacamite family, Zn$_{x}$Cu$_{4-x}$(OH)$_{6}$Cl$_{2}$ for $x \, \geq$ 0.33, is an ideal system for studying spin-1/2 frustrated magnetism in the form of antiferromagnetic Cu$^{2+}$ kagome planes. Here we report a new synthesis…

We have grown underdoped (x = 0.11, 0.12) and optimally doped (x = 0.16) La2-xSrxCuO4 (LSCO) crystals by traveling-solvent floating-zone (TSFZ) technique. In order to obtain LSCO single crystals of high quality, we have made much effort to…

Superconductivity · Physics 2009-01-23 Xiaoli Shen , Zhengcai Li , Caixia Shen , Wei Lu , Xiaoli Dong , Fang Zhou* , Zhongxian Zhao

ZnSe nanowire heterostructures were grown by molecular beam epitaxy in the vapour-liquid-solid growth mode assisted by gold catalysts. Size, shape and crystal structure are found to strongly depend on the growth conditions. Both,…

Zn1-xRxO (R = Li, Mg, Cr, Mn, Fe and Cd) were obtained by using co-precipitation synthesis technique with constant weight percent of 3% from R ions. The phase composition, crystal structure, morphology, Density Functional Theory (DFT), and,…

Materials Science · Physics 2021-10-26 T. A. Abdel-Baset , M. Abdel-Hafiez

Topologically non trivial spin textures host great promise for future spintronic applications. Skyrmions in particular are of burgeoning interest owing to their nanometric size, topological protection, and high mobility via ultra-low…

Millimeter sized single crystals of CaFe$_{1-x}$Co$_x$AsF were grown using a self-flux method. It is found that high-quality single crystals can be grown from three approaches with different initial raw materials. The chemical compositions…

Superconductivity · Physics 2016-08-09 Yonghui Ma , Kangkang Hu , Qiucheng Ji , Bo Gao , Hui Zhang , Gang Mu , Fuqiang Huang , Xiaoming Xie

The dielectric enhancement and modulation of a cuprous oxide (Cu2O) microwave-active catalyst material is investigated from an experimental and computational point of view. Experimental synthesis of two particle morphologies that included a…