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Related papers: Spin resonance in EuTiO3 probed by time-domain GHz…

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Understanding, creating, and manipulating spin polarization of two-dimensional electron gases at complex oxide interfaces presents an experimental challenge. For example, despite almost a decade long research effort, the microscopic origin…

Strongly Correlated Electrons · Physics 2021-01-12 Fangdi Wen , Yanwei Cao , Xiaoran Liu , Banabir Pal , Srimanta Middey , Mikhail Kareev , Jak Chakhalian

We report occurrence of large magnetoresistance in lightly doped antiferromagnetic paraelectric EuTiO3. Reports of magnetoresistance in rare-earth titanates (RTiO3 oxides) are very scarce because they are highly insulating at low…

Strongly Correlated Electrons · Physics 2017-09-13 Km Rubi , R. Mahendiran

The configuration of the regular magnetic field in M31 is deduced from radio polarization observations at the wavelengths 6, 11 and 20 cm. By fitting the observed azimuthal distribution of polarization angles, we find that the regular…

Astrophysics · Physics 2009-11-10 A. Fletcher , E. M. Berkhuijsen , R. Beck , A. Shukurov

High-Field Electron Spin Resonance measurements were made on powder samples of Cu_{1-x}Zn_{x}GeO_{3} (x=0.00, 0.01, 0.02, 0.03 and 0.05) at different frequencies (95, 110, 190, 220, 330 and 440 GHz) at low temperatures. The spectra of the…

Strongly Correlated Electrons · Physics 2015-06-25 A. K. Hassan , L. A. Pardi , G. B. Martins , G. Cao , L-C. Brunel

We report on electron spin resonance spectroscopy measurements using a superconducting flux qubit with a sensing volume of 6 fl. The qubit is read out using a frequency-tunable Josephson bifurcation amplifier, which leads to an inferred…

Quantum Physics · Physics 2020-05-13 Rangga P. Budoyo , Kosuke Kakuyanagi , Hiraku Toida , Yuichiro Matsuzaki , Shiro Saito

We analyze the magneto-optical conductivity (and related magnitudes like transmittance and Faraday rotation of the irradiated polarized light) of some elemental two-dimensional Dirac materials of group IV (graphene analogues, buckled…

Mesoscale and Nanoscale Physics · Physics 2024-03-20 M. Calixto , A. Mayorgas , N. A. Cordero , E. Romera , O. Castaños

It is known that orthorhombic RMnO3 multiferroics (R = magnetic rare earth) with low symmetry exhibit a large rotating magnetocaloric effect because of their strong magnetocrystalline anisotropy. In this paper, we demonstrate that the…

Materials Science · Physics 2018-12-05 M. Balli , S. Jandl , P. Fournier , J. Vermette , D. Z. Dimitrov

The EuFe(2-x)Ni(x)As2 compounds exhibiting 3d and/or 4f magnetic order were investigated by means of 57Fe and 151Eu M\"ossbauer spectroscopy. Additionally, results for the end members of this system, i.e. EuFe2As2 and EuNi2As2, are reported…

Superconductivity · Physics 2021-06-07 K. Komedera , J. Gatlik , A. Blachowski , J. Zukrowski , D. Rybicki , A. Delekta , M. Babij , Z. Bukowski

We have investigated the non-centrosymmetric tetragonal heavy-fermion compound CeAuAl3 using muon spin rotation (muSR), neutron diffraction (ND) and inelastic neutron scattering (INS) measurements. We have also revisited the magnetic,…

Faraday Rotation-Conversion is the simultaneous rotation of all three Stokes polarization parameters $Q$, $U$, $V$ as an electromagnetic wave propagates through a magnetized plasma. In this regime the Faraday plasma screen is characterized…

High Energy Astrophysical Phenomena · Physics 2019-05-15 Andrei Gruzinov , Yuri Levin

Using first-principles density functional calculations, electronic and optical properties of ferromagnetic semiconductor EuO are investigated. In particular, we have developed a way to obtain the spin-dependent optical response of the…

Materials Science · Physics 2014-02-11 Wen-Yi Tong , Hang-Chen Ding , Yong-Chao Gao , Shi-jing Gong , Xiangang Wan , Chun-Gang Duan

We show that the interplay between spin-orbit coupling and cubic symmetry breaking in SrTiO3 results in a highly anomalous Zeeman effect of conduction electrons substantially different among the three conduction sub-bands and strongly…

Materials Science · Physics 2024-02-14 Sergei Urazhdin

The authors demonstrate readout of electrically detected magnetic resonance at radio frequencies by means of an LCR tank circuit. Applied to a silicon field-effect transistor at milli-kelvin temperatures, this method shows a 25-fold…

Materials Science · Physics 2009-11-12 H. Huebl , R. P. Starrett , D. R. McCamey , A. J. Ferguson , L. H. Willems van Beveren

Magnetic skyrmions are particle-like spin-swirling objects ubiquitously realized in magnets. They are topologically stable chiral kinks composed of multiple modulation waves of spiral spin structures, where the helicity of each spiral is…

Taken together, time-reversal and spatial inversion symmetries impose a two-fold spin degeneracy of the electronic states in crystals. In centrosymmetric materials, this degeneracy can be lifted by introducing magnetism, either via an…

We examine the high-frequency optical mode of {\alpha}-Fe2O3 and report that Dzyaloshinskii-Moriya (DM) interaction generates a new type of torque on the magnetic resonance. Using a continuous-wave terahertz interferometer, we measure the…

Materials Science · Physics 2023-07-11 Qiyao Liu , Taeheon Kim , Kyusup Lee , Dongsheng Yang , Dushyant Kumar , Fanrui Hu , Hyunsoo Yang

Spin waves in magnetic microresonators are at the core of modern magnonics. Here we demonstrate a new method of tunable excitation of different spin wave modes in magnetic microdisks by using a train of laser pulses coming at a repetition…

A new method for detecting the magnetic resonance of electronic spins at low temperature is demonstrated. It consists in measuring the signal emitted by the spins with a superconducting qubit that acts as a single-microwave-photon detector,…

Full electric-field control of spin orientations is one of the key tasks in semiconductor spintronics. We demonstrate that electric field pulses can be utilized for phase-coherent +/- pi spin rotation of optically generated electron spin…

Materials Science · Physics 2012-10-05 S. Kuhlen , K. Schmalbuch , M. Hagedorn , P. Schlammes , M. Patt , M. Lepsa , G. Güntherodt , B. Beschoten

We consider theoretically the paramagnetic phases of EuTiO3 that represent configurations created by two sets of microscopic degrees of freedom (m-DOF): positional symmetry breaking due to octahedral rotations and magnetic symmetry breaking…

Materials Science · Physics 2021-07-02 Oleksandr I. Malyi , Xin-Gang Zhao , Annette Bussmann-Holder , Alex Zunger