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Related papers: Spin-dependent processes at the crystalline Si-SiO…

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Here we describe a new high frequency/high field continuous wave and pulsed electrically detected magnetic resonance (CW EDMR and pEDMR) setup, operating at 263 GHz and resonance fields between 0 and 12 T. Spin dependent transport in…

Materials Science · Physics 2015-12-09 W. Akhtar , A. Schnegg , S. Veber , C. Meier , M. Fehr , K. Lips

We implanted ultra low doses (2x10^11 cm-2) of 121Sb ions into isotopically enriched 28Si and find high degrees of electrical activation and low levels of dopant diffusion after rapid thermal annealing. Pulsed Electron Spin Resonance shows…

Crystal-field excitations, for example in transition-metal oxides where a rare-earth element is used as a spacer between the transition-metal-oxide tetrahedra and octahedra, are assumed to be extremely robust with respect to external…

Strongly Correlated Electrons · Physics 2021-10-12 Joel O'Brien , Guochu Deng , Dehong Yu , Xiaoxuan Ma , Zhenjie Feng , Wei Ren , Shixun Cao , Robert A. Robinson , Garry J. McIntyre , Clemens Ulrich

In the spin energy excitation mode of normal metals and superconductors, spin up and down electrons (or quasiparticles) carry different heat currents. This mode occurs only when spin up and down energy distribution functions are…

Mesoscale and Nanoscale Physics · Physics 2020-01-14 M. Kuzmanović , B. Y. Wu , M. Weideneder , C. H. L. Quay , M. Aprili

4H silicon carbide (SiC) polytype is preferred over other SiC polytypes for high-power, high-voltage, and high-frequency applications due to its superior electrical, thermal, and structural characteristics. In this manuscript, we provide a…

Materials Science · Physics 2023-11-08 M. Holiatkina , A. Pöppl , E. Kalabukhova , J. Lančok , D. Savchenko

We study the transport properties of non-Hermitian magnetic Josephson junctions, considering a superconductor-quantum dot-superconductor device coupled to a ferromagnetic metallic reservoir in the presence of an external magnetic field. We…

Modulation of donor electron wavefunction via electric fields is vital to quantum computing architectures based on donor spins in silicon. For practical and scalable applications, the donor-based qubits must retain sufficiently long…

Materials Science · Physics 2020-03-28 Daniel K. Park , Sejun Park , Hyejung Jee , Soonchil Lee

Electrically detected magnetic resonance is used to identify recombination centers in a set of Czochralski grown silicon samples processed to contain strained oxide precipitates with a wide range of densities (~ 1e9 cm-3 to ~ 7e10 cm-3).…

Materials Science · Physics 2012-01-11 V. Lang , J. D. Murphy , R. J. Falster , J. J. L. Morton

Coupled electron-nuclear spins represent a promising quantum system, where the optically induced electron spin polarization can be dynamically transferred to nuclear spins via the hyperfine interaction. Most experiments on dynamic nuclear…

Materials Science · Physics 2026-01-13 A. N. Anisimov , A. V. Poshakinskiy , G. V. Astakhov

We report the observation of superconductivity with multiple magnetic ordering and Rashba-type spin-orbit coupling in a layered polar semimetal EuAuBi. Magnetic transition is observed at 4 K, followed by a superconducting transition at 2.2…

We have investigated the temperature and magnetic field dependence of magnetization, specific heat ($C_p$), and relative sample length change ($\Delta L/L_0$) for understanding the field-induced spin-structural change in…

Strongly Correlated Electrons · Physics 2014-01-07 M. Nandi , N. Khan , D. Bhoi , A. Midya , P. Mandal

In the tetragonal heavy fermion system CeCoIn5 the unconventional superconducting state is probed by means of muon spin rotation. The pressure dependence (0-1 GPa) of the basal-plane magnetic penetration depth (\lambda_a), the penetration…

We have studied the temperature behavior of the electron spin resonance (ESR) spectra of nitrogen (N) donors in n-type 6H SiC crystals grown by Lely and sublimation sandwich methods (SSM) with donor concentration of 10^17 cm^(-3) at…

Materials Science · Physics 2016-01-26 D. Savchenko , E. Kalabukhova , B. Shanina , S. Cichon , J. Honolka , V. Kiselov , E. Mokhov

The presented studies of resistivity (R), thermal conductivity (k) and specific heat (C) at low temperature 1.8-7 K in magnetic field up to 90 kOe made it possible to detect for the first time the exponential field dependences R(H), 1/k(H),…

We report a systematic study on Edelstein magnetoresistance (Edelstein MR) in Co25Fe75/Cu/Bi2O3 heterostructures with a strong spin-orbit interaction at the Cu/Bi2O3 interface. We succeed in observing a significant dependence of the…

Mesoscale and Nanoscale Physics · Physics 2017-10-23 Junyeon Kim , Yan-Ting Chen , Shutaro Karube , Saburo Takahashi , Kouta Kondou , Gen Tatara , YoshiChika Otani

We investigate the magnetic field dependence of the spin-Peierls transition in NaV$_2$O$_5$ in the field range 16T-30T. The transition temperature exhibits a very weak variation with the field, suggesting a novel mechanism for the formation…

Strongly Correlated Electrons · Physics 2009-10-31 S. G. Bompadre , Arthur F. Hebard , Valeri N. Kotov , D. Hall , G. Maris , J. Baas , T. T. M. Palstra

The quantum spin liquid candidate NaYbSe$_2$ was recently reported to exhibit a Mott transition under pressure. Superconductivity was observed in the high-pressure metallic phase, raising the question concerning its relation with the…

Strongly Correlated Electrons · Physics 2022-02-16 Yuanji Xu , Yutao Sheng , Yi-feng Yang

We report results of 11B NMR and susceptibility measurements on the quasi 2D frustrated dimer spin system SrCu2(BO3)2 under high pressure. At 2.4 GPa and in a magnetic field of 7 T, NMR lines split with decreasing temperature in two steps.…

Strongly Correlated Electrons · Physics 2009-11-13 Takeshi Waki , Koichi Arai , Masashi Takigawa , Yuta Saiga , Yoshiya Uwatoko , Hiroshi Kageyama , Yutaka Ueda

The magneto-electronic field effects in organic semiconductors at high magnetic fields are described by field-dependent mixing between singlet and triplet states of weakly bound charge carrier pairs due to small differences in their Land\'e…

Mesoscale and Nanoscale Physics · Physics 2018-08-15 G. Joshi , M. Y. Teferi , S. Jamali , M. Groesbeck , J. van Tol , R. McLaughlin , Z. V. Vardeny , J. M. Lupton , H. Malissa , C. Boehme

Silicon-based quantum-computer architectures have attracted attention because of their promise for scalability and their potential for synergetically utilizing the available resources associated with the existing Si technology…

Materials Science · Physics 2007-05-23 Belita Koiller , Xuedong Hu , R. B. Capaz , A. S. Martins , S. Das Sarma
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