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Related papers: Degenerate doping in \b{eta}-Ga2O3 Single Crystals…

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Ab-initio calculations based on density functional theory (DFT) have been performed to study the optical properties of pure graphene and have been compared to that of individual boron (B), nitrogen (N) and BN co-doped graphene sheet. The…

Mesoscale and Nanoscale Physics · Physics 2020-05-22 Pooja Rani , Girija S Dubey , V. K. Jindal

Two essential ingredients for the quantum anomalous Hall (QAH) effect, i.e. topological and magnetic orders, can be combined by doping magnetic ions into a topological insulator (TI) film. Through this approach, the QAH effect has been…

Mesoscale and Nanoscale Physics · Physics 2026-04-28 Fei Wang , Yi-Fan Zhao , Zijie Yan , Hemian Yi , Wei Yuan , Lingjie Zhou , Weiwei Zhao , Moses H. W. Chan , Cui-Zu Chang

Behaviour of a rare earth impurity of Eu in the PbTe single crystals grown by the Bridgman method from the melt with different initial concentrations of impurity N about 1*10+19 cm-3 and less is investigated with X-ray fluorescent element…

The reflectivity $R (\omega)$ of $ab$-oriented Mg$_{1-x}$Al$_x$(B$_{1-y }$C$_y$)$_2$ single crystals has been measured by means of infrared microspectroscopy for $1300<\omega<17000$ cm$^{-1}$. An increase with doping of the scattering rates…

Superconductivity · Physics 2009-11-11 D. Di Castro , M. Ortolani , E. Cappelluti , U. Schade , N. D. Zhigadlo , J. Karpinski

Single crystalline CaFe2As2 and (Ca1-xNax)Fe2As2 polycrystals (0 < x < 0.66) are synthesized and characterized using structural, magnetic, electronic transport, and heat capacity measurements. These measurements show that the…

Superconductivity · Physics 2011-12-02 K. Zhao , Q. Q. Liu , X. C. Wang , Z. Deng , Y. X. Lv , J. L. Zhu , F. Y. Li , C. Q. Jin

We address the possibility of non-magnetic doping induced magnetism, in Li doped SnO2 nano-particles. The compounds have been prepared by solid state route at equilibrium and were found to be crystallized in single rutile phase. The…

Materials Science · Physics 2013-02-21 S. K. Srivastava , P. Lejay , A. Hadj-Azzem , G. Bouzerar

We report on measurements of isothermal irreversible magnetization loops (M(H)) of Ni-doped BaFe2-xNixAs2 single crystals with x=0.1 and x=0.14 in magnetic fields up to 14T. For both samples in field H//c-axis and H//ab-plane, critical…

Superconductivity · Physics 2013-03-06 K. S. Pervakov , V. A. Vlasenko , E. P. Khlybov , A. Zaleski , V. M. Pudalov , Yu. F. Eltsev

We report the effects of cobalt doping on the magnetic properties of two-dimensional van der Waals ferromagnet Fe3GeTe2. Single crystals of (Fe{1-x}Cox)3GeTe2 with x=0-0.78 were successfully synthesized and characterized with x-ray…

Materials Science · Physics 2020-03-06 Cong-Kuan Tian , Cong Wang , Wei Ji , Jin-Chen Wang , Tian-Long Xia , Le Wang , Juan-Juan Liu , Hong-Xia Zhang , Peng Cheng

Beta-phase Ga2O3 has emerged as a promising candidate for a wide range of device applications, including power electronic devices, radio-frequency devices and solar-blind photodetectors. The wide bandgap energy and the predicted high…

The spin dynamics in single crystal, electron-doped Ba(Fe1-xCox)2As2 has been investigated by inelastic neutron scattering over the full range from undoped to the overdoped regime. We observe damped magnetic fluctuations in the normal state…

Superconductivity · Physics 2010-08-24 K. Matan , S. Ibuka , R. Morinaga , Songxue Chi , J. W. Lynn , A. D. Christianson , M. D. Lumsden , T. J. Sato

High-purity cubic silicon carbide possesses the second-highest thermal conductivity among large-scale crystals, surpassed only by diamond, making it crucial for practical applications of thermal management. Recent theoretical studies…

Materials Science · Physics 2024-09-30 Zifeng Huang , Yunfan Yang , Da Sheng , Hui Li , Yuxiang Wang , Zixuan Sun , Ming Li , Runsheng Wang , Ru Huang , Zhe Cheng

Mixed solid compounds are employed in a vast array of applications so an accurate determination of their chemical compositions is of crucial importance. All current characterization methods require specially-treated samples so the…

Materials Science · Physics 2024-04-03 Miao Miao Zhao , Yang Yang , Na Du , Yu Ying Zhu , Peng Ren , Fei Yen

As a two-dimensional material with a hollow hexatomic ring structure, N\'eel-type anti-ferromagnetic (AFM) GdI3 can be used as a theoretical model to study the effect of electron doping. Based on first-principles calculations, we find that…

Materials Science · Physics 2023-05-11 Rong Guo , Yilv Guo , Yehui Zhang , Xiaoshu Gong , Tingbo Zhang , Xing Yu , Shijun Yuan , Jinlan Wang

We report thickness dependent metal insulator transition in Ga doped ZnO (Ga:ZnO) thin films grown by pulsed laser deposition technique. From the electrical transport measurements, we find that while the thinnest film exhibits a resistivity…

Materials Science · Physics 2017-04-13 Joynarayan Mukherjee , B. R. K. Nanda , M. S. Ramachandra Rao

Two single crystalline samples with the same nominal composition of Rb0.8Fe2Se2 prepared via slightly different precursor routes under the same thermal processing conditions were investigated at ambient and high pressures. One sample was…

Superconductivity · Physics 2012-07-18 M. Gooch , B. Lv , L. Z. Deng , T. Muramatsu , J. Meen , Y. Y. Xue , B. Lorenz , C. W. Chu

Single crystals of KNbO3 and KNbO3 : Fe have been grown using the flux method at various technological conditions. The investigations of optical absorption of these crystals were carried out. Marked influence of technological conditions and…

Condensed Matter · Physics 2007-05-23 M. Milata , K. Wojcik , K. Zieleniec

In this study, we explore lithium-doped stable molecular hydrogen structures by performing first-principles crystal structure searches across varying compositions in the Li-H system under high pressure. Our search reveals a cubic phase of…

Superconductivity · Physics 2026-05-26 Ashok K. Verma , P. Modak

Temperature-dependent inter-plane resistivity, $\rho _c(T)$, was measured in hole-doped iron-arsenide superconductor (Ba$_{1-x}$K$_x$)Fe$_2$As$_2$ over a doping range from parent compound to optimal doping $T_c\approx 38~K$, $0\leq x \leq…

Effect of doping with H and W on the properties of V2O5 and VO2 derived from V2O5 gel has been studied. It is shown that the treatment of V2O5 in low-temperature RF hydrogen plasma for 1 to 10 min. leads to either hydration of vanadium…

N-type doping of high-resistance wide bandgap semiconductors, wurtzite high-Mg-content MgxZn1-xO for instance, has always been a fundamental application-motivated research issue. Herein, we report a solution to enhancing the conductivity of…