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

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Two-dimensional (2D) multiferroics attract intensive investigations because of underlying science and their potential applications. Although many 2D systems have been observed/predicted to be ferroelectric or ferromagnetic, 2D materials…

Materials Science · Physics 2021-03-17 Chang Liu , Bing Wang , Guanwei Jia , Pengyu Liu , Huabing Yin , Shan Guan , Zhenxiang Cheng

Layered chalcogenide materials have a wealth of nanoelectronics applications like resistive switching and energy-harvesting such as photocatalyst owing to rich electronic, orbital, and lattice excitations. In this work, we explore…

Materials Science · Physics 2022-01-31 Zheng Shu , Yongqing Cai

Gas molecule doping on the topological insulator Bi2 Se3 surface with existing Se vacancies is investigated using first-principles calculations. Consistent with experiments, NO2 and O2 are found to occupy the Se vacancy sites, remove…

Mesoscale and Nanoscale Physics · Physics 2013-10-01 Mohammad Koleini , Thomas Frauenheim , Binghai Yan

We report a systematic study of electron doping of Sr2RuO4 by non-isovalent substitution of La^(3+) for Sr^(2+). Using a combination of de Haas-van Alphen oscillations, specific heat, and resistivity measurements, we show that electron…

Strongly Correlated Electrons · Physics 2009-11-10 N. Kikugawa , A. P. Mackenzie , C. Bergemann , R. A. Borzi , S. A. Grigera , Y. Maeno

Semiconducting two-dimensional (2D) antiferromagnetic (AFM) transition-metal thiophosphates (MPS3) offer promising opportunities for spintronic applications due to their highly tunable electronic properties. While alloying and intercalation…

We report $^{11}$B-NMR study on Al-doped MgB$_2$ that addresses a possible mechanism for a high superconducting (SC) transition temperature ($T_c$) of $\sim 40$ K in recently discovered MgB$_2$. The result of nuclear spin lattice relaxation…

Superconductivity · Physics 2009-11-07 H. Kotegawa , K. Ishida , Y. Kitaoka , T. Muranaka , N. Nakagawa , H. Takagiwa , J. Akimitsu

The recent discovery of the persistence of long-range magnetic order when van der Waals layered magnets are thinned towards the monolayer limit has provided a tunable platform for the engineering of novel magnetic structures and devices.…

The field of lead halide perovskite nanocrystal doping has witnessed notable progress in recent times, leading to the creation of innovative materials that showcase compelling physical characteristics and hold substantial technological…

Materials Science · Physics 2023-11-23 Prasenjit Mandal , Ranjani Viswanatha

Structural, resistivity, thermoelectric power and magneto-transport properties of Cu doped Bi2Te3 topological insulators have been investigated. The occurrence of the tuning of charge carriers from n type to p type by Cu doping at Te sites…

Materials Science · Physics 2016-09-22 Abhishek Singh , Rahul Singh , A. Lakhani , T. Patel , G. S. Okram , V. Ganeshan , A. K. Ghosh , Sandip Chatterjee

A two-dimensional electron gas (2DEG) in SrTiO3 is created via modulation doping by interfacing undoped SrTiO3 with a wider-band-gap material, SrTi1-xZrxO3, that is doped n-type with La. All layers are grown using hybrid molecular beam…

Mesoscale and Nanoscale Physics · Physics 2013-11-05 Adam P. Kajdos , Daniel G. Ouellette , Tyler A. Cain , Susanne Stemmer

Engineered $Na_{0.75}CoO_2$ is considered a prime candidate to achieve high-efficiency thermoelectric systems to regenerate electricity from waste heat. In this work, three elements with outmost electronic configurations, (1) an open d…

Chemical Physics · Physics 2019-02-27 M. H. N. Assadi , S. Li , A. B. Yu

The potential of Fe2TiSn full-Heusler compounds for thermoelectric applications has been suggested theoretically, but not yet grounded experimentally, due to the difficulty of obtaining reproducible, homogeneous, phase pure and defect free…

Group-IV monochalcogenides have recently shown great potential for their thermoelectric, ferroelectric, and other intriguing properties. The electrical properties of group-IV monochalcogenides exhibit a strong dependence on the chalcogen…

High purity Ge (HPGe) is the key material for gamma ray detector production. Its high purity level (< 2x10^(-4) ppb of doping impurity) has to be preserved in the bulk during the processes needed to form the detector junctions. With the…

Using Density functional theory (DFT) in conjunction with a solvation model we have investigated the phenomenon of eletrode-electrolyte interaction at the electrode surface and its consequences on the electrochemical properties like the…

Materials Science · Physics 2022-04-20 Mandira Das , Subhradip Ghosh

Monolayer films of FeSe grown on SrTiO$_3$ substrates are electron doped relative to bulk and exhibit a significantly higher superconducting transition temperatures. We present density functional calculations and a modified Schottky model…

Superconductivity · Physics 2016-06-20 Yuanjun Zhou , Andrew J. Millis

Chemical doping has recently become a very important strategy to induce superconductivity especially in complex compounds. Distinguished examples include Ba-doped La$_2$CuO$_4$ (the first high temperature superconductor), K-doped BaBiO$_3$,…

Superconductivity · Physics 2009-02-22 Guanghan Cao , Cao Wang , Zengwei Zhu , Shuai Jiang , Yongkang Luo , Shun Chi Zhi Ren , Qian Tao , Yuetao Wang , Zhu'an Xu

Thus far, there is no cuprate system where both n-type and p-type charge carriers can be doped without changing the crystallographic structure. For studying the electron-hole symmetry in an identical structure, we try to dope n-type…

Superconductivity · Physics 2007-05-23 Kouji Segawa , Yoichi Ando

The effect of doping in Si3N4 membranes on the secondary electron yield is investigated using Monte Carlo simulations of the electron-matter interactions. The effect of the doping level of silicon doping and the effect of the distribution…

High Energy Physics - Experiment · Physics 2022-03-23 A. M. M. G. Theulings , S. X. Tao , C. W. Hagen , H. Van der Graaf

Dense pure and doped (Mg1-xAx)B2 samples with A = Na, Ca, Cu, Ag, Zn and Al were synthesized at high pressure - high temperature in a multi anvils press (3.5-6 GPa, 900-1000C) for x up to 0.20. They were studied by x-ray diffraction,…

Superconductivity · Physics 2007-05-23 P. Toulemonde , N. Musolino , H. L. Suo , R. Flukiger