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Related papers: High-Resolution Electron Paramagnetic Resonance

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We report on compact, gaseous 3He NMR probes for precision magnetometry of magnetic fields B > 0.1 T in the temperature range from ambient temperatures down to 4 Kelvin. The gas is polarized at thermal equilibrium under pressures up to 100…

Atomic Physics · Physics 2025-05-26 P. Blümler , M. Fertl , H. -J. Grafe , R. Graf , W. Heil

We measure strong magnetic field intensities in a subwavelength gap separating two dielectric resonators. This dimer magnetic antenna is characterized in the GHz spectral regime when considering three conditions of illumination. We detail…

Optics · Physics 2013-07-31 Guillaume Boudarham , Redha Abdeddaim , Nicolas Bonod

We present non-conventional electron spin resonance (ESR) experiments using microfabricated superconducting waveguides. We show that a very broad frequency range, from 0.5 to 40 GHz, becomes accessible with a high frequency accuracy of less…

Mesoscale and Nanoscale Physics · Physics 2014-01-13 C. Clauss , D. Bothner , D. Koelle , R. Kleiner , L. Bogani , M. Scheffler , M. Dressel

Nuclear magnetic resonance (NMR), conventionally detected in multi-tesla magnetic fields, is a powerful analytical tool for the determination of molecular identity, structure, and function. With the advent of prepolarization methods and…

Coherent spin resonance methods such as nuclear magnetic resonance (NMR) and electron spin resonance (ESR) spectroscopy have led to spectrally highly sensitive, non-invasive quantum imaging techniques with groundbreaking applications in…

Electron Spin Resonance (ESR) describes a suite of techniques for characterising electronic systems, with applications in physics, materials science, chemistry, and biology. However, the requirement for large electron spin ensembles in…

Quantum Physics · Physics 2015-03-04 L. T. Hall , P. Kehayias , D. A. Simpson , A. Jarmola , A. Stacey , D. Budker , L. C. L. Hollenberg

A high-frequency (95 GHz) EPR study is reported on single crystals of the planar tetranuclear complex Fe4(OCH3)6(dpm)6 (where Hdpm = dipivaloylmethane), which has been previously shown to present typical single-molecule magnet behaviour.…

Mesoscale and Nanoscale Physics · Physics 2013-09-13 August Bouwen , Andrea Caneschi , Dante Gatteschi , Etienne Goovaerts , Dirk Schoemaker , Lorenzo Sorace , Mariana Stefan

The use of superconducting micro-resonators in combination with quantum-limited Josephson parametric amplifiers has in recent years lead to more than four orders of magnitude improvement in the sensitivity of pulsed Electron Spin Resonance…

The paper describes highly-sensitive passive electric potential sensors (EPS) for non-contact detection of multiple biophysical signals, including electrocardiogram (ECG), respiration cycle (RC), and electroencephalogram (EEG). The proposed…

Signal Processing · Electrical Eng. & Systems 2021-10-26 Xinyao Tang , Wangbo Chen , Soumyajit Mandal , Kevin Bi , Tayfun Ozdemir

We present pulsed electrically detected magnetic resonance (EDMR) measurements at low magnetic fields using posphorus-doped silicon with natural isotope composition as a model system. Our measurements show that pulsed EDMR experiments, well…

Materials Science · Physics 2015-06-23 L. Dreher , F. Hoehne , H. Morishita , H. Huebl , M. Stutzmann , K. M. Itoh , M. S. Brandt

Spin noise spectroscopy is a method of magnetic resonance widely used, nowadays, in atomic and semiconductor research. Classical objects of the EPR spectroscopy - dielectrics with paramagnetic impurities - seemed to be unsuitable for this…

Mesoscale and Nanoscale Physics · Physics 2020-07-01 A. N. Kamenskii , A. Greilich , I. I. Ryzhov , G. G. Kozlov , M. Bayer , V. S. Zapasskii

Electron spin resonance (ESR) investigation of graphene nanoribbons (GNRs) prepared through longitudinal unzipping of multiwalled carbon nanotubes (MWCNTs) indicates the presence of C-related dangling bond centers, exhibiting paramagnetic…

Mesoscale and Nanoscale Physics · Physics 2015-05-19 S. S. Rao , A. Stesmans , D. V. Kosynkin , A. Higginbotham , J. M. Tour

We describe a fully broadband approach for electron spin resonance (ESR) experiments where it is possible to not only tune the magnetic field but also the frequency continuously over wide ranges. Here a metallic coplanar transmission line…

We present a new method for high-resolution nanoscale magnetic resonance imaging (nano-MRI) that combines the high spin sensitivity of nanowire-based magnetic resonance detection with high spectral resolution nuclear magnetic resonance…

Mesoscale and Nanoscale Physics · Physics 2018-03-07 William Rose , Holger Haas , Angela Q. Chen , Nari Jeon , Lincoln J. Lauhon , David G. Cory , Raffi Budakian

Magnetic nanoparticles (MNPs) have excellent magnetic-temperature characteristic. However, current temperature measurement based on MNPs is interfered by concentration. Utilizing the electron spin resonance (ESR), we propose a highly…

Mesoscale and Nanoscale Physics · Physics 2021-08-25 Shuai Wang , Jing Zhong , Wenzhong Liu

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.…

We report the development of a continuous-wave and pulsed X-band electron spin resonance (ESR) spectrometer for the study of spins on ordered surfaces down to cryogenic temperatures. The spectrometer operates in ultra-high vacuum and…

Acting as a highly nonlinear response to the strong laser field, high harmonic generation (HHG) naturally contains the fingerprints of atomic and electronic properties of materials. Electronic properties of a solid such as band structure…

Materials Science · Physics 2023-04-20 Shi-Qi Hu , Hui Zhao , Xin-Bao Liu , Da-Qiang Chen , Sheng Meng

Direct electron spin resonance (ESR) on a high mobility two dimensional electron gas in a single AlAs quantum well reveals an electronic $g$-factor of 1.991 at 9.35 GHz and 1.989 at 34 GHz with a minimum linewidth of 7 Gauss. The ESR…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 M. Schulte , J. G. S. Lok , G. Denninger , W. Dietsche

Highest resolution laser spectroscopy has generally been limited to single trapped ion systems due to rapid decoherence which plagues neutral atom ensembles. Here, precision spectroscopy of ultracold neutral atoms confined in a trapping…

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