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A systematic electron spin resonance (ESR) investigation of the low temperature regime for the (ET)2SF5CF2SO3 system was performed in the frequency range of ~200-700 GHz, using backward wave oscillator sources, and at fields up to 25 T.…

The electron spin relaxation times in a system of electrons interacting with piezoelectric phonons mediated through spin-orbit interactions were calculated using the formula derived from the projection-reduction method. The results showed…

Mesoscale and Nanoscale Physics · Physics 2015-06-22 Nam Lyong Kang

The temperature dependence of the electron spin-lattice relaxation SLR was studied in Er0.01Y0.99Ba2Cu3Ox compounds. The data derived from the electron spin resonance ESR and SLR measurements were compared to those from inelastic neutron…

Superconductivity · Physics 2009-11-11 V. A. Ivanshin , M. R. Gafurov , I. N. Kurkin , S. P. Kurzin , A. Shengelaya , H. Keller , M. Gutmann

The rapidly rising fields of spintronics and quantum information science have led to a strong interest in developing the ability to coherently manipulate electron spins. Electron spin resonance (ESR) is a powerful technique to manipulate…

Materials Science · Physics 2009-11-13 M. Pioro-Ladriere , T. Obata , Y. Tokura , Y. -S. Shin , T. Kubo , K. Yoshida , T. Taniyama , S. Tarucha

Erbium implanted silicon as a quantum technology platform has both telecommunications and integrated circuit processing compatibility. In Si implanted with Er to a concentration of 3x10^17 cm^3 and O to a concentration of 10^20 cm^3, the…

Electron spin dynamics in intrinsic bulk Indium Phosphide (InP) semiconductor is studied by time resolved pump probe reflectivity (TRPPR) technique using the co- and counter-circularly polarized femtosecond pulses at room temperature and 70…

Optics · Physics 2015-05-18 Hong Ma , Zuanming Jin , Lihua Wang , Guohong Ma

The electron paramagnetic resonance (EPR) linewidths of B acceptors in Si are found to reduce dramatically in isotopically purified 28Si single crystals. Moreover, extremely narrow substructures in the EPR spectra are visible corresponding…

The influence of the Rashba spin-orbit coupling on the electron spin dynamics is investigated for a ballistic semiconductor quantum wire with a finite width. We monitor the spin evolution using the time-dependent Schr\"odinger equation. The…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Manuel Valin-Rodriguez , Antonio Puente , Llorens Serra

Cu(C$_8$H$_6$N$_2$)Cl$_2$, a strong-rung spin-1/2 Heisenberg ladder compound, is probed by means of electron spin resonance (ESR) spectroscopy in the field-induced gapless phase above $H_{c1}$. The temperature dependence of the ESR…

Strongly Correlated Electrons · Physics 2016-04-19 A. N. Ponomaryov , M. Ozerov , L. Zviagina , J. Wosnitza , K. Yu. Povarov , F. Xiao , A. Zheludev , C. Landee , E. Čižmár , A. A. Zvyagin , S. A. Zvyagin

Electron spin resonance (ESR) spectroscopy in scanning tunneling microscopy (STM) has enabled probing the electronic structure of single magnetic atoms and molecules on surfaces with unprecedented energy resolution, as well as demonstrating…

We present an electron spin resonance (ESR) approach to characterize shallow electron trapping in band-tail states at Si/SiO2 interfaces in metal-oxide-semiconductor (MOS) devices and demonstrate it on two MOS devices fabricated at…

Resistively detected nuclear magnetic resonance (NMR) is observed inside the ring-like structure, with a quantized Hall conductance of 6e^2/h, in the phase diagram of a two subband electron system. The NMR signal persists up to 400 mK and…

Disordered Systems and Neural Networks · Physics 2009-11-11 X. C. Zhang , G. Scott , H. W. Jiang

We study evolution of electron spin coherence having non-homogeneous direction of spin polarization vector in semiconductor heterostructures. It is found that the electron spin relaxation time due to the D'yakonov-Perel' relaxation…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Yuriy V. Pershin

Time-resolved optical measurements in (110)-oriented GaAs/AlGaAs quantum wells show a ten-fold increase of the spin-relaxation rate as a function of applied electric field from 20 to 80 kV cm-1 at 170 K and indicate a similar variation at…

Condensed Matter · Physics 2009-11-10 O. Z. Karimov , G. H. John , R. T. Harley , W. H. Lau , M. E. Flatte , M. Henini , R. Airey

In this Letter, we report the results of ESR measurements in high magnetic fields up to about 53 T on single crystals of NiGa2S4 to clarify the spin dynamics in more detail. We have found that the dynamics of Z2 vortices affects the…

Materials Science · Physics 2009-11-13 H. Yamaguchi , S. Kimura , M. Hagiwara , Y. Nambu , S. Nakatsuji , Y. Maeno , K. Kindo

We study the spin relaxation in an interacting two--dimensional electron gas in a strong magnetic field for the case that the electron density is close to filling just one Landau sub--level of one spin projection, i.e., for filling factor…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 W. Apel , Yu. A. Bychkov

The development of electron spin resonance (ESR) combined with scanning tunneling spectroscopy (STM) is undoubtedly one of the main experimental breakthroughs in surface science of the last decade thanks to joining the extraordinarily high…

Strongly Correlated Electrons · Physics 2022-08-31 Fernando Delgado , Nicolás Lorente

The unavoidable presence of vibrations in solid-state devices can drastically modify the expected electron spin resonance (ESR) absorption spectrum in magnetically active systems. In this work, we model the effect of phonons and temperature…

Mesoscale and Nanoscale Physics · Physics 2020-08-26 Ariel Norambuena , Alejandro Jimenez , Christoph Becher , Jerónimo R. Maze

A comprehensive theory of electron spin resonance (ESR) for a Luttinger liquid (LL) state of correlated metals is presented. The ESR measurables such as the signal intensity and the line-width are calculated in the framework of Luttinger…

Strongly Correlated Electrons · Physics 2009-11-13 B. Dóra , M. Gulácsi , J. Koltai , V. Zólyomi , J. Kürti , F. Simon

Spin relaxation is investigated theoretically in two-dimensional systems. Various semiconductor structures of both n- and p-types are studied in detail. The most important spin relaxation mechanisms are considered. The spin relaxation times…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 N. S. Averkiev , L. E. Golub , M. Willander