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Related papers: Effective $n$-type Doping of Mg$_3$Sb$_2$ with Gro…

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DyMn$_2$O$_5$ is an intriguing multiferroic material showing multiple magnetic, electric and structural transitions. We present here the systematic study on the effect of Sr doping at the Dy site of DyMn$_2$O$_5$ through magnetic and…

Strongly Correlated Electrons · Physics 2020-04-22 P. Dutta , M. Das , S. Mukherjee , S. Chatterjee , S. Giri , S. Majumdar

In this study, we aim to improve our understanding of the doping mechanism involved in the polymer PBDTTT-c doped with(Mo(tfd-COCF3)3. We follow the evolution of the hole density with dopant concentration to highlight the limits of organic…

Applied Physics · Physics 2018-06-21 J. Euvrard , A. Revaux , S. S. Nobre , A. Kahn , D. Vuillaume

A comparative study of pure, SiC, and C doped MgB2 wires has revealed that the SiC doping allowed C substitution and MgB2 formation to take place simultaneously at low temperatures. C substitution enhances Hc2, while the defects, small…

The efficient integration of transition metal dichalcogenides (TMDs) into the current electronic device technology requires mastering the techniques of effective tuning of their optoelectronic properties. Specifically, controllable doping…

In this work, thermoelectric properties of Al$_{1.2}$Fe$_2$B$_2$ compound were investigated over a temperature range from 300\,K to 773\,K. Al$_{1.2}$Fe$_2$B$_2$ compound was produced by vacuum arc melting of Al, Fe, and B followed by…

Materials Science · Physics 2022-12-05 Duraisamy Sivaprahasam , Ashutosh Kumar , Babu Jayachandran , Raghavan Gopalan

GeSn is a promising group-IV semiconductor material for on-chip Si photonics devices and high-mobility transistors. These devices require the use of doped GeSn regions, achieved preferably in-situ during epitaxy. From the electronic valence…

Materials Science · Physics 2023-07-18 Andrea Giunto , Louise Emma Webb , Thomas Hagger , Anna Fontcuberta i Morral

Intuitively, doping represents one of the most promising avenues for optimization of best prospect superconductors (SC) such as conventional high-pressure SCs with record critical temperatures. However, doping at high pressure (HP) is very…

Phase diagram of electron and hole-doped SrFe2As2 single crystals is investigated using Co and Mn substitution at the Fe-sites. We found that the spin-density-wave state is suppressed by both dopants, but the superconducting phase appears…

Superconductivity · Physics 2015-05-18 J. S. Kim , Seunghyun Khim , H. J. Kim , M. J. Eom , J. Law , R. K. Kremer , Ji Hoon Shim , Kee Hoon Kim

The hot-wall metal-organic chemical vapor deposition (MOCVD), previously shown to enable superior III-nitride material quality and high performance devices, has been explored for Mg doping of GaN. We have investigated the Mg incorporation…

Using the density functional theory (DFT) in combination with Boltzmann transport theory, the influence of Mg concentrations (x) doping on the thermoelectric properties of Hg1-xMgxSe ternary alloys was systematically investigated. The…

Materials Science · Physics 2023-03-28 Y. Selmani , H. Labrim , A. Jabar , L. Bahmad

Effects of chemical substitution of the divalent transition metals has been systematically investigated in Mg$_{1-x}M_x$B$_2$ (x=0.03; M=Mn, Fe, Co, Ni and Zn). Substitution of magnetic ions, i.e., Mn$^{2+}$, Fe$^{2+}$, Co$^{2+}$ and…

Superconductivity · Physics 2007-05-23 Y. Moritomo , Sh. Xu

Our density functional theory calculations for Fe_{13-n}M_{n} for M = Sc, Ti, V, Cr, Mn, Co, Ni, and Cu up to n = 4 show that the icosahedral symmetry of Fe13, albeit minor changes in bond lengths, is robust despite doping and is retained…

Materials Science · Physics 2014-08-04 Anteneh G. Tefera , Mogus D. Mochena

In this paper we investigate, computationally and experimentally, the phase stability, electronic structure properties, and the propensity for n-type doping of In$_{2}$X$_{2}$O$_{7}$ (X=Si, Ge) ternary oxides. This family of materials…

We distinguish three mechanisms of doping graphene. Density functional theory is used to show that electronegative molecule like F4-TCNQ and electropositive metals like K dope graphene p- and n-type respectively. These dopants are expected…

Materials Science · Physics 2015-05-18 H. Pinto , R. Jones , J. P. Goss , P. R. Briddon

The modifications in the electronic structure of Ni_{2+x}Mn_{1-x}Ga by Ni doping have been studied using full potential linearized augmented plane wave method and ultra-violet photoemission spectroscopy. Ni 3d related electron states appear…

Materials Science · Physics 2009-11-10 Aparna Chakrabarti , C. Biswas , S. Banik , R. S. Dhaka , A. K. Shukla , S. R. Barman

Electron irradiation is investigated as a way to dope the topological insulator Bi2Te3. For this, p-type Bi2Te3 single crystals have been irradiated with 2.5 MeV electrons at room temperature and electrical measurements have been performed…

Materials Science · Physics 2013-12-03 C. W. Rischau , B. Leridon , B. Fauqué , V. Metayer , C. J. van der Beek

Single crystals of electron-doped SrMnO3 with a cubic perovskite structure have been systematically investigated as the most canonical (orbital-degenerate) double-exchange system, whose ground states have been still theoretically…

Strongly Correlated Electrons · Physics 2015-05-20 H. Sakai , S. Ishiwata , D. Okuyama , A. Nakao , H. Nakao , Y. Murakami , Y. Taguchi , Y. Tokura

The effects of isovalent doping on the superconducting transition temperature Tc in novel 112-type iron arsenide Ca1-xLaxFeAs2 were studied by conducting measurements of electrical resistivity rho and magnetization M. P or Sb doping…

The hexagonal multiferroic oxide YMnO$_3$ has demonstrated applications in various fields and is widely researched due to its interesting properties. Since Mn(3d)--O(2p) interactions predominate close to the Fermi level, doping in the…

Materials Science · Physics 2025-10-22 Kazi Mazba Kamal , Alamgir Kabir

The introduction of magnetism in SnTe-class topological crystalline insulators is a challenging subject with great importance in the quantum device applications. Based on the first-principles calculations, we have studied the defect…

Materials Science · Physics 2016-05-17 Wang Na , Wang Jianfeng , Si Chen , Gu Bing-Lin , Duan Wenhui
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