English
Related papers

Related papers: Observing a quantum magnetic effect in CaYAl3O7-X …

200 papers

We employ first-principles calculations to explore interstitial engineering as a strategy to tailor the hard magnetic properties of Fe2MnSn Heusler alloy, establishing its potential as a rare-earth-free permanent magnet. By introducing…

Materials Science · Physics 2025-07-03 Junaid Jami , Rohit Pathak , N. Venkataramani , K. G. Suresh , Amrita Bhattacharya

SQUID magnetization measurements in oriented powders of Y$_{1-x}$Ca$_{x}$Ba$% _{2}$Cu$_{3}$O$_{y}$, with $x$ ranging from 0 to 0.2, for $y\approx 6.1$ and $y\approx 6.97$, have been performed in order to study the doping dependence of the…

Superconductivity · Physics 2007-05-23 A. Lascialfari , A. Rigamonti , L. Romano' , P. Tedesco , A. Varlamov , D. Embriaco

We have investigated the electronic and magnetic properties of Co-doped Pr0.8Ca0.2MnO3 thin films using various spectroscopic techniques. X-ray absorption and hard x-ray photoemission spectroscopy revealed that the substituted Co ions are…

The Ca$_2$MnReO$_6$ double perovskite is a spin-orbit-assisted Mott insulator with exotic magnetic properties, including a largely non-collinear Mn$^{2+}$ spin arrangement and nearly orthogonal coupling between such spins and the much…

Strongly Correlated Electrons · Physics 2022-04-27 A. S. Cavichini , M. T. Orlando , M. C. A. Fantini , R. Tartaglia , C. W. Galdino , F. Damay , F. Porcher , E. Granado

Abundant phenomena in CoCr2-xMnxO4 (x = 0 ~ 2) samples such as magnetic compensation, magnetostriction and exchange bias effect have been observed and investigated in this work. A structure transition from cubic to tetragonal symmetry has…

Materials Science · Physics 2013-10-21 H. G. Zhang , W. H. Wang , E. K. Liu , X. D. Tang , G. J. Li , J. L. Chen , H. W. Zhang , G. H. Wu

Silicon is a material whose technological application is well established, and obtaining this material in nanostructured form increases its possibility of integration in current technology. Silicene is a natural compatibility with current…

Materials Science · Physics 2024-02-06 L. M. Gomes , A. L. da Rosa

Ferroelectric and magnetic properties of Fe-doped K0.45Na0.49Li0.06NbO3 (KNLN) and Cu-doped KNLN ceramics were investigated. Comparing with pure KNLN ceramic, Fe-doped KNLN shows ferromagnetic and ferroelectric properties simultaneously…

Materials Science · Physics 2015-10-20 Laijun Liu , Danping Shi , Longlong Fan , Jun Chen , Guizhong Li , Liang Fang , Brahim Elouadi

Heteroanionic compounds, which contain two or more types of anions, have emerged as a promising class of materials with diverse properties and functionalities. In this paper, I review the experimental findings on Ca3ReO5Cl2 and related…

Materials Science · Physics 2025-04-01 Daigorou Hirai

The magnetic compensation and magnetostriction properties in Fe doped CoCr2O4 samples have been investigated. Structural and magnetic measurements imply that the doped Fe3+ ions initially occupy the B1(Cr) sites when x<0.1, and then mainly…

Materials Science · Physics 2012-11-30 Hongguo Zhang , Wenghong Wang , Enke Liu , Xiaodan Tang , Guijiang Li , Hongwei Zhang , Guangheng Wu

Magnetic neutron scattering provides evidence for nucleation of antiferromagnetic droplets around impurities in a doped nickel-oxide based quantum magnet. The undoped parent compound contains a spin liquid with a cooperative singlet ground…

Disordered Systems and Neural Networks · Physics 2015-06-24 Guangyong Xu , G. Aeppli , M. E. Bisher , C. Broholm , J. F. DiTusa , C. D. Frost , T. Ito , K. Oka , R. L. Paul , H. Takagi , M. M. J. Treacy

We report the doping effects of cobalt on van der Waals (vdW) magnet Fe$_5$GeTe$_2$. A series of (Fe$_{1-x}$Co$_x$)$_5$GeTe$_2$ (0$\leq$x$\leq$0.44) single crystals have been successfully grown, their structural, magnetic and transport…

Mesoscale and Nanoscale Physics · Physics 2020-06-05 Congkuan Tian , Feihao Pan , Sheng Xu , Kun Ai , Tian-long Xia , Peng Cheng

We analyze single-particle electronic and two-particle magnetic properties of the Hubbard model in the underdoped and optimally-doped regime of \YBCO by means of a modified version of the fluctuation-exchange approximation, which only…

Strongly Correlated Electrons · Physics 2009-10-31 G. Hildebrand , E. Arrigoni , C. Gröber , W. Hanke

Several samples of lithium aluminate (LiAlO2) were prepared in an attempt to achieve material, which can be applicable in optically stimulated luminescence (OSL) dosimetry. Both undoped and carbon or copper doped lithium aluminate samples…

Instrumentation and Detectors · Physics 2015-06-18 A. Twardak , P. Bilski , B. Marczewska , J. I. Lee , J. L. Kim , W. Gieszczyk , A. Piaskowska , M. Sadel , D. Wróbel

We investigate the magnetic properties of a composite comprising of ferromagnetic Cobalt nanowires embedded in nanoporous anodized alumina template. We observe unusual increase in, the saturation magnetization and the coercive field, of the…

Mesoscale and Nanoscale Physics · Physics 2011-06-13 Jaivardhan Sinha , S. S. Banerjee

In this work, we study the effect of the magnetic dilution of Cr$^{3+}$ on the LaCrO$_3$ half doped with Al. Pure and half-doped samples were prepared by combustion method using urea as fuel. The crystal structure was investigated by X-ray…

Materials Science · Physics 2015-02-23 Romualdo S. Silva , Petrucio Barrozo , N. O. Moreno , J. Albino Aguiar

The polar magnet CaBaCo$_{4}$O$_{7}$ is known to exhibit the largest magnetic-field-driven electric polarization change ($\Delta P$) associated with an antiferromagnetic (AFM)-ferrimagnetic (FIM) transition in a narrow temperature range…

Materials Science · Physics 2022-08-10 M. Gen , A. Miyake , H. Yagiuchi , Y. Watanabe , A. Ikeda , Y. H. Matsuda , M. Tokunaga , T. Arima , Y. Tokunaga

We report on a high-field magnetotransport study of KTaO3 single crystals. This material is a promising candidate to study in the extreme quantum limit (EQL). By photocarrier doping with 360 nm light, we have observed a significant…

Materials Science · Physics 2021-10-13 Ruishu Yang , Dingbang Wang , Yang Zhao , Shuanhu Wang , Kexin Jin

Ferrite nanocrystals are interesting material due to their rich physical properties. Here we add nonmagnetic dopants Zn and Cu to nickel ferrite nanocrystals, Ni1-xMxFe2O4 (0<=x<=1, M{\in}{Cu, Zn}), and characterize how relevant properties…

Materials Science · Physics 2012-03-20 F. Shahbaz Tehrani , V. Daadmehr , A. T. Rezakhani , R. Hosseini Akbarnejad , S. Gholipour

The chromium-trihalides (CrX3; X = Cl, Br, I) have long served as model systems for understanding magnetism and magneto-optics in ionic crystals, and they have recently also emerged as archetypes of magnetic two-dimensional (2D) Van der…

Materials Science · Physics 2024-10-04 Thom J. Snoeren , Kimo Pressler , Daniel R. Gamelin

We report the structural, superconducting, magnetic and granular properties of Y1-xCaxBa2Cu3O7; x = 0.0, 0.1, 0.2 and 0.3. Rietveld fitted X-ray diffraction data confirms the single phase formation for all the samples. The orthorhombicity…

Superconductivity · Physics 2012-01-24 N. P. Liyanawaduge , Anuj Kumar , Shiva Kumar , B. S. B. Karunarathne , V. P. S. Awana