Eufe2as2

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August undefined, 2024

WebDec 1, 2024 · Abstract and Figures Of all parent compounds of iron-based high-temperature superconductors, EuFe2As2 exhibits by far the largest magnetostructural coupling due … WebJun 1, 2013 · EuFe2As2 shows a spin-density wave (SDW) type transition at 190 K and antiferromagnetic (AF) order below 20 K. Here, we have studied the effect of K …

Magnetic and superconducting properties of Ir-doped EuFe2As2 …

WebAug 1, 2011 · Firstly, polycrystalline EuFe 2 As 2 and EuFe 2 As 1.35 P 0.65 were prepared in evacuated quartz tubes at 900 °C for 50 h and then the resulting materials were … WebMar 10, 2024 · We have grown single crystals of EuFe2As2 and investigated its electrical transport and thermodynamic properties. Electrical resistivity and specific heat … teknologi produksi tanaman padi

Selected AD-XRD pattern of EuFe2As2 under various

WebApr 21, 2024 · Magnetic flux structure on the surface of EuFe 2 (As 1-x P x ) 2 single crystals with nearly optimal phosphorus doping levels x = 0.20 and x = 0.21 is studied by low-temperature magnetic force microscopy and decoration with ferromagnetic nanoparticles. The studies are performed in a broad temperature range. WebJun 12, 2014 · The magnetic and superconducting properties of 14% Ir-doped EuFe As are studied by means of dc and ac magnetic susceptibilities, electrical resistivity, specific heat and Eu and Fe Mössbauer spectroscopy (MS) measurements. Doping of Ir in EuFe As suppresses the Fe spin density wave transition and in turn gives rise to high temperature ... WebJan 1, 2011 · Structural phase transitions in EuFe2As2 superconductor at low temperatures and high pressures Full Record Research Abstract The crystal structure of EuFe {sub 2}As {sub 2} has been studied up to a pressure of 35 GPa and down to a temperature of 8 K using temperature dependent x-ray diffraction in a diamond anvil cell at a synchrotron … teknologi pulp dan kertas

Stress-induced nematicity in EuFe2As2 studied by Raman …

Magnetic detwinning and biquadratic magnetic interaction in EuFe2As2 …

WebMay 9, 2013 · We probed the evolution of the electronic structure of EuFe 2 As 2 as a function of temperature and photon energy, employing high energy resolution in the … Web序言普通物理：统计与量子物理负Keldysh准概率的非经典行为证明Potts引入了一个实验测试，来排除在使用单个检测器在任意时间测量任意可观测量时获得的统计数据的经典解释。该测试需要对测量值有一定的信任度，表现为对探测器的一些自然的假设。在量子理论中，冯·诺依曼测量很好地描述了 ... teknologi raid adalahWebJul 18, 2016 · Here, we use polarized Raman scattering to study the structural phase transition in EuFe 2 As 2 , the parent compound of the 122-ferropnictide superconductors. The in-plane lattice anisotropy is characterized by measurements of the side surface with different strains induced by different preparation methods. teknologi quantum

"WebJun 15, 2009 · We studied the temperature-pressure phase diagram of EuFe 2 As 2 by electrical resistivity measurements. The spin-density-wave transition at T 0 associated … " - Eufe2as2

Eufe2as2

WebA pressure-induced isostructural phase transition in EuFe2As2 was observed by the analysis of the staggered shifts of diffraction peak of (110) and (103). Source publication Conventional... http://www.sh-zhilong.com/yingyu/youxue/9552.html

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WebThe in-plane magnetotransport of detwinned EuFe 2 As 2 single crystal has been investigated. In the antiferromagnetic phase of Eu 2+ spins, very different magnetoresistance results are observed upon the change of the external magnetic field direction and the current direction. WebMar 10, 2024 · We have grown single crystals of EuFe2As2and investigated its electrical transport and thermodynamic properties. Electrical resistivity and specific heat measurements clearly establish the intrinsic nature of magnetic phase transitions at 20 K and 195 K. While the high temperature phase transition is associated with the

WebJun 20, 2024 · Under the pressure of 24.7 kbar, the lattice parameters of EuFe2As2 display clear anomalies at 27 (3) K, well consistent with the superconducting transition observed in previous high-pressure resistivity measurements. WebDec 1, 2024 · Abstract: Of all parent compounds of iron-based high-temperature superconductors, EuFe2As2 exhibits by far the largest magnetostructural coupling due …

WebApr 21, 2024 · Magnetic flux structure on the surface of EuFe2(As1-x P x )2 single crystals with nearly optimal phosphorus doping levels x = 0.20 and x = 0.21 is studied by low … WebJan 1, 2010 · The crystal structure and electrical resistance of structurally layered EuFe {sub 2}As {sub 2} have been studied up to 70 GPa and down to a temperature of 10 K, using a synchrotron x-ray source and designer diamond anvils.

Web第四步在氩气氛手套箱中，将Eui^2Ah粉与NaFe2Aii2按照摩尔比9 1，称量 EuFe2As2粉3. 7159克，NaFe2Aii2粉0.观41克，充分混合后将粉末填入模具，用液压机将其压制成块体，放入石英管中，抽真空密封。将石英管置于退火炉中，在700°C保温20小时。

WebJan 22, 2014 · EuFe2(As1-xPx)2 sample with x = 0.15 has been determined using element specific x-ray resonant magnetic scattering. Combining magnetic, thermodynamic and scattering measurements, we conclude that the long range ferromagnetic order of the Eu2+ moments aligned primarily along the c axis coexists with the bulk teknologi ramah lingkungan bidang industriWebDec 5, 2008 · Superconductivity is found in 50% K-doped EuFe2As2 sample below 33 K. Our results of electrical resistivity, magnetic susceptibility and 57Fe and 151Eu Mossbauer spectroscopy provide clear evidence that the ordering of the Fe moments observed at 190 K in undoped EuFe2As2 is completely suppressed in our 50% K doped sample, thus there … teknologi ramah lingkungan adalahWebNov 10, 2024 · The U.S. Department of Energy's Office of Scientific and Technical Information teknologi ramah lingkunganWebOct 7, 2010 · Non-resonant and element specific magnetic X-ray scattering has been used to determine the orientation of Eu and Fe magnetic moments in EuFe2As2 iron pnict … teknologi ramah lingkungan di bidang energiWebOct 7, 2010 · EuFe 2 As 2: Magnetic Structure and Local Charge Distribution Anisotropies as Seen by Resonant X-ray Scattering J. Herrero-Martín, C. Mazzoli, V. Scagnoli, L. Paolasini, H. Walker, Y. Xiao, T. Brueckel, R. Mittal, N. Kumar, S. K. Dhar, A. Thamizhavel & Y. Su Journal of Superconductivity and Novel Magnetism 24 , 705–709 ( 2011) Cite this … teknologi ramah lingkungan di bidang industriWebPHYSICAL REVIEW B 94, 014513 (2016) Stress-induced nematicity in EuFe 2As 2 studied by Raman spectroscopy W.-L. Zhang, 1,2 * Athena S. Sefat,3 H. Ding, 4P. Richard, and G. Blumberg2 ,5 † 1Beijing National Laboratory for Condensed Matter Physics and Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China … teknologi ramah lingkungan pdfhttp://girsh.rutgers.edu/wp-content/uploads/2016/03/PhysRevB.94.014513.pdf teknologi ramah lingkungan bidang lingkungan