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We present the investigation results of the in-plane \{rho}(T) resistivity tensor at the temperature range 0.4-40 K in magnetic fields up to 90kOe (H||c, J||ab) for electron-doped Nd{2-x}Ce{x}CuO{4+{\delta}} with different degree of…

The physical systems with ferromagnetism and "bad" metallicity hosting unusual transport properties are playgrounds of novel quantum phenomena. Recently EuTi$_{1-x}$Nb$_x$O$_3$ emerged as a ferromagnetic system where non-trivial temperature…

We have investigated the effect of Cu substitution in Eu2(Ir1-xCux)2O7 with the help of magnetic and transport property measurements. XPS measurement reveals that each Cu2+ converts Ir4+ to double amount of Ir5+ ions. The metal-insulator…

Strongly Correlated Electrons · Physics 2022-04-20 Sampad Mondal , M. Modak , B. Maji , Swapan K. Mandal , B. Ghosh , Surajit Saha , M. Sardar , S. Banerjee

We present the fabrication and exploration of arrays of nanodots of $SrRuO_3$ with dot sizes between 500 nm and 15 nm. Down to the smallest dot size explored, the samples were found to be magnetic with a maximum of the Curie temperature…

Mesoscale and Nanoscale Physics · Physics 2019-02-04 Gennadii Laskin , Hongguang Wang , Hans Boschker , Wolfgang Braun , Vesna Srot , Peter A. van Aken , Jochen Mannhart

We consider, theoretically and experimentally, the effects of structural disorder, quantum and thermal fluctuations in the magnetic and transport properties of certain ferromagnetic alloys.We study the particular case of UCu2Si(2-x)Ge(x).…

Strongly Correlated Electrons · Physics 2009-11-10 M. B. Silva Neto , A. H. Castro Neto , D. Mixson , J. S. Kim , G. R. Stewart

Doping Bi$_2$Se$_3$ by magnetic ions represents an interesting problem since it may break the time reversal symmetry needed to maintain the topological insulator character. Mn dopants in Bi$_2$Se$_3$ represent one of the most studied…

Materials Science · Physics 2020-02-26 K. Carva , P. Baláž , J. Šebesta , I. Turek , J. Kudrnovský , F. Máca , V. Drchal , J. Chico , V. Sechovský , J. Honolka

Sr$_2$IrO$_4$ is an extensively studied spin-orbit coupling induced insulator with antiferromagnetic ground state. The delicate balance between competing energy scales plays crucial role for its low temperature phase, and the route of…

Strongly Correlated Electrons · Physics 2017-10-31 Imtiaz Noor Bhatti , R. S. Dhaka , A. K. Pramanik

We report the thermoelectric properties (Seebeck coefficient, thermal conductivity, and electrical resistivity) of lightly doped single crystals of (001)-oriented SrTiO3 (STO). Hall effect measurements show that electron doping around 10^-5…

Strongly Correlated Electrons · Physics 2012-11-08 P. L. Bach , V. Leborán , V. Pardo , A. S. Botana , D. Baldomir , F. Rivadulla

The present study focuses on the intrinsic properties of the SmFe10Co2-xVx (x = 0-2) alloys, which includes the SmFe10Co2 alloy, one of the most promising permanent magnets with the ThMn12 type of structure due to its large saturation…

Materials Science · Physics 2025-04-30 Diana Benea , Viorel Pop , Jan Minár

Dilute magnetic semiconductors (DMS) are nonmagnetic semiconductors doped with magnetic transition metals. The recently discovered DMS material (Ba$_{1-x}$K$_{x}$)(Zn$_{1-y}$Mn$_{y}$)$_{2}$As$_{2}$ offers a unique and versatile control of…

Materials Science · Physics 2018-03-28 M. A. Surmach , B. J. Chen Z. Deng , C. Q. Jin , J. K. Glasbrenner , I. I. Mazin , A. Ivanov , D. S. Inosov

The structural and magnetic properties of Mn5Ge3Cx films prepared at elevated substrate temperatures TS are investigated. In particular, films with x >= 0.5 and TS = 680 K exhibit a strongly enhanced Curie temperature TC = 440 K compared to…

Materials Science · Physics 2009-10-31 M. Gajdzik , C. Suergers , M. Kelemen , H. v. Loehneysen

We report the results of ac and dc magnetization (M) and heat-capacity (C) measurements on the solid solution, Sr$_3$Cu$_{1-x}$Zn$_x$IrO$_6$. While the Zn end member is known to form in a rhombohedral pseudo one-dimensional K$_4$CdCl$_6$…

Strongly Correlated Electrons · Physics 2009-11-07 Asad Niazi , E. V. Sampathkumaran , P. L. Paulose , D. Eckert , A. Handstein , K. -H. Müller

Low-temperature electronic states in SrRu_{1-x}Mn_xO_3 for x <= 0.6 have been investigated by means of specific-heat C_p measurements. We have found that a jump anomaly observed in C_p at the ferromagnetic (FM) transition temperature for…

Strongly Correlated Electrons · Physics 2010-02-19 A. Yamaji , M. Yokoyama , Y. Nishihara , Y. Narumi , K. Kindo

With reduced dimensionality, it is often easier to modify the properties of ultra-thin films than their bulk counterparts. Strain engineering, usually achieved by choosing appropriate substrates, has been proven effective in controlling the…

Mesoscale and Nanoscale Physics · Physics 2017-10-31 S. Thomas , B. Kuiper , J. Hu , J. Smit , Z. Liao , Z. Zhong , G. Rijnders , A. Vailionis , R. Wu , G. Koster , J. Xia

We report on magnetic and electrical transport properties of Sb2-xCrxTe3 single crystals with 0 <= x <= 0.095 over temperatures from 2 K to 300 K. A ferromagnetic state develops in these crystals at low temperatures with Curie temperatures…

Materials Science · Physics 2009-11-10 J. S. Dyck , C. Drasar , P. Lostak , C. Uher

This study systematically investigates the effects of Ge, Ga, and Al doping on the mechanical and electronic properties of cubic Cr$_3$Si using first-principles density functional theory (DFT). Doping increases lattice constants from 4.50…

Materials Science · Physics 2025-03-04 Siavash Karbasizadeh , Mohammad Amirabbasi

We have performed high resolution x-ray scattering measurements on single crystal samples of Ba(Fe(1-x)Cr(x))2As2 (x = 0 to 0.335). These measurements examine the effect of Cr-doping on the high temperature tetragonal (I4/mmm) to low…

Strongly Correlated Electrons · Physics 2012-03-06 J. P. Clancy , B. D. Gaulin , A. S. Sefat

Employing the state-of-the-art Density Functional Theory with both GGA and hybrid HSE06 functional along with the incorporation of spin-orbit coupling, we have engineered stable room temperature ferromagnetism in non-magnetic LaH$_3$…

Materials Science · Physics 2023-02-14 Poonam Sharma , Alok Shukla , Brahmananda Chakraborty

Two different ferroelectric materials, Sr$_{0.95}$Ba$_{0.05}$TiO$_3$ and Sr$_{0.985}$Ca$_{0.015}$TiO$_3$, can be turned into polar metals with broken centrosymmetry via electron doping. Systematic substitution of Nb$^{5+}$ for Ti$^{4+}$ has…

Superconductivity · Physics 2022-12-02 Yasuhide Tomioka , Naoki Shirakawa , Isao H. Inoue

Through advanced experimental techniques on CrI$_{3}$ single crystals, we derive a previously not discussed pressure-temperature phase diagram. We find that $T_{c}$ increases to $\sim$ 66\,K with pressure up to $\sim$ 3\,GPa followed by a…

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