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We present a detailed study of single crystalline K$_{2}$Cr$_{3}$As$_{3}$ and analyze its thermodynamic and transport properties, anisotropic $H_{c2}(T)$, and initial pressure-dependence of $T_{c}$. In zero-field, the temperature-dependent…

超导电性 · 物理学 2015-03-05 Tai Kong , Sergey L. Bud'ko , Paul C. Canfield

The temperature dependence of the low-temperature dielectric response is studied in o-TaS$_3$ samples doped by Nb, Se, and Ni and for nominally pure ones. It is found, that the low-temperature dielectric constant depends anomalously on…

强关联电子 · 物理学 2009-10-31 N. I. Baklanov , S. V. Zaitsev-Zotov , V. V. Frolov , P. Monceau

The monolayer of $\textrm{CrI}_3$ has been reported to exhibit the ferromagnetic order, with a Curie temperature of $45 K$ and off-plane easy axis, which has attracted much attention in the community of condensed matter physics. Using the…

强关联电子 · 物理学 2022-11-11 Bartosz Rzepkowski , Michał Kupczyński , Paweł Potasz , Arkadiusz Wójs

We have investigated multiple caloric effects in multiferroic Y2CoMnO6. Polycrystalline sample prepared by solid state method has shown a ferromagnetic Curie temperature 75 K with second order phase transition; a maximum magneto entropy…

材料科学 · 物理学 2014-10-14 J. Krishna Murthy , A. Venimadhav

It has been shown that to calculate the parameters of the electrostatic field of the ion crystal lattice it sufficient to take into account ions located at a distance of 1-2 lattice spacings. More distant ions make insignificant…

综合物理 · 物理学 2010-01-26 Alexander Ivanchin

We report that an energetic plasma process is extremely effective in enlarging the unit cell volume and ferroelectric distortion of the ferroelectric oxides, resulting in a significant increase in its Tc. We demonstrate experimentally that…

Laboratory-scale precision experiments are a promising approach to searching for physics beyond the standard model. Non-centrosymmetric solids offer favorable statistical sensitivity for efforts that search for new fields, whose…

原子物理 · 物理学 2023-07-12 Alexander O. Sushkov , Oleg P. Sushkov , Alexander Yaresko

We developed a new technique for measuring the thermodynamic entropy as a function of the magnetic field angle. This technique enables high-resolution angle-resolved measurements of the entropy in an unprecedentedly short measuring time.…

强关联电子 · 物理学 2018-06-15 Shunichiro Kittaka , Shota Nakamura , Hiroaki Kadowaki , Hiroshi Takatsu , Toshiro Sakakibara

The presence of a quantum critical point (QCP) can significantly affect the thermodynamic properties of a material at finite temperatures T. This is reflected, e.g., in the entropy landscape S(T, r) in the vicinity of a QCP, yielding…

The investigations of the crystal structure, magnetic and electronic properties of the Co$_3$BO$_5$ at high temperatures were carried out using powder x-ray diffraction, magnetic susceptibility, electrical resistivity, and thermopower…

The work is dedicated to the development of the electron-lattice energy exchange theory in metal particles and it dependence of on particle size and electron temperature. We obtained the expressions for the constants of the electron-lattice…

介观与纳米尺度物理 · 物理学 2015-06-19 Petro Tomchuk , Yevgen Bilotsky

Magnetocaloric effect in Mn4FeGe3-xSix compounds has been studied by dc magnetization measurements. For the parent compound Mn4FeGe3, the paramagnetic to ferromagnetic transition temperature TC is above room temperature (320 K), which…

材料科学 · 物理学 2013-04-10 Madhumita Halder , S. M. Yusuf , A. K. Nigam

Transition metal telluride compositions are explored extensively for their unique magnetic behavior. Since chromium telluride (Cr2Te3) exhibits a near-room-temperature phase transition, the material can be effectively used in applications…

The magnetic-field-temperature phase diagram of solid oxygen is investigated by the adiabatic magnetocaloric effect (MCE) measurement with pulsed magnetic fields. Relatively large temperature decrease with hysteresis is observed at just…

A method and code for calculations of diatomic molecules in the external variable electromagnetic field have been developed. Code applied for calculation of systematics in the electron's electric dipole moment search experiment on ThO…

原子物理 · 物理学 2015-07-01 A. N. Petrov

Using a differential technique, we have measured the specific heats of polycrystalline Ba1-xKxFe2As2 samples with x=0, 0.1 and 0.3, between 2K and 380K and in magnetic fields 0 to 13 Tesla. From this data we have determined the electronic…

超导电性 · 物理学 2010-01-05 J. G. Storey , J. W. Loram , J. R. Cooper , Z. Bukowski , J. Karpinski

Simulation results are presented to demonstrate electron temperature and electrical potential development in dilute and cold plasma development. The simulation method is a hybrid method which adopted fluid model for electrons due to their…

等离子体物理 · 物理学 2024-09-13 Shiying Cai , Chunpei Cai , Zhen Zhang

Temperature dependent magnetometry and transport measurements on epitaxial Fe3O4 films grown on BaTiO3(100) single crystals by molecular beam epitaxy show a series of discontinuities, that are due to changes in the magnetic anisotropy…

材料科学 · 物理学 2010-03-09 C. A. F. Vaz , J. Hoffman , A. -B. Posadas , C. H. Ahn

We investigate the effect of early chemical freeze-out on radial and elliptic flow by using a fully three dimensional hydrodynamic model. We find that the time evolution of temperature and the thermal freeze-out temperature dependence of…

核理论 · 物理学 2007-05-23 T. Hirano , K. Tsuda

Low-temperature specific heat was measured on the BaFe1.9Ni0.1As2 single crystals with critical transi-tion temperature Tc = 20.1 K. A clear specific heat jump with the value \DeltaC/T|Tc \approx 23 mJ/mol K^2 has been observed. In…

超导电性 · 物理学 2010-07-06 Bin Zeng , Gang Mu , Huiqian Luo , Hai-Hu Wen
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