Journal of Research of the National Bureau of Standards
Topics: Electron spin resonance, hydrogen atoms, spin-exchange, spin-relaxation
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Apr 27, 2020
04/20
by
Möbius, Klaus (Klaus G.)
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xvi, 375 p. : 24 cm
Topics: Electron paramagnetic resonance spectroscopy, Proteins -- Analysis, Electron Spin Resonance...
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Aug 12, 2018
08/18
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Mahendra Kumar Trivedi; Gopal Nayak; Shrikant Patil; Rama Mohan Tallapragada; Omprakash Latiyal
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Barium titanate, perovskite structure is known for its high dielectric constant and piezoelectric properties, which makes it interesting material for fabricating capacitors, transducer, actuator, and sensors. The perovskite crystal structure and lattice vibrations play a crucial role in its piezoelectric and ferroelectric behavior. In the present study, the barium titanate powder was subjected to biofield treatment. Further, the control and treated samples were characterized using X-ray...
Topics: X-ray diffraction, Biofield Treatment, Fourier transform infrared, Electron Spin Resonance, Barium...
Source: http://academictorrents.com/details/8f80a7a63cb6ef42bef6624e2c5fe3bf9c90075a
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May 6, 2010
05/10
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Rembaum, A
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Degradation of polyacenaphthylene-sodium complex as shown by electron spin resonance spectrum
Topics: DEGRADATION, ELECTRON PARAMAGNETIC RESONANCE, ORGANOMETALLIC POLYMERS, SPECTRA, DEGRADATION,...
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Aug 12, 2018
08/18
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Mahendra Kumar Trivedi; Rama Mohan Tallapragada; Alice Branton; Dahryn Trivedi; Gopal Nayak; Omprakash Latiyal; Snehasis Jana
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Manganese sulfide (MnS) is known for its wide applications in solar cell, opto-electronic devices, and photochemical industries. The present study was designed to evaluate the effect of biofield energy treatment on the atomic and physical properties of MnS. The MnS powder sample was equally divided into two parts, referred as to be control and to be treated. The treated part was subjected to Mr. Trivedi’s biofield energy treatment. After that, both control and treated samples were...
Topics: X-ray diffraction, Biofield Energy Treatment, Fourier transform infrared, Electron Spin Resonance,...
Source: http://academictorrents.com/details/97199ddb18bff72e54cf5d7e77da1147062738b3
The growth of monoclinic Ga2O3 nanowires, nano-ribbons and nano-sheets has been investigated. Results indicate that high quality single crystal nanowires can be grown at 900?C using an Au catalyst, while single crystal nano-ribbons and nano-sheets require no metal catalyst for growth. Since bulk Ga2O3 is a promising material for high temperature gas sensing Ga2O3 nanowires and nano-ribbons may prove to enhance the sensing capability due to the high surface area. We have investigated the nature...
Topics: DTIC Archive, NAVAL RESEARCH LAB WASHINGTON DC, *NANOWIRES, ELECTRON SPIN RESONANCE,...
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Jun 10, 2021
06/21
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Bli︠u︡menfelʹd, L. A. (Lev Aleksandrovich)
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xii, 322 p. 23 cm
Topics: Electron paramagnetic resonance, Chemistry, Physical and theoretical, Chemistry, Physical, Electron...
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124
Oct 4, 2010
10/10
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Pake, G. E. (George Edward)
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Second ed. published in 1973 under title: The physical principles of electron paramagnetic resonance
Topics: Electron paramagnetic resonance, Electron Spin Resonance Spectroscopy, Magnetische resonantie,...
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Aug 12, 2018
08/18
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Mahendra Kumar Trivedi; Rama Mohan Tallapragada; Alice Branton; Dahryn Trivedi; Gopal Nayak; Omprakash Latiyal; Snehasis Jana
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Antimony tin oxide (ATO) is known for its high thermal conductivity, optical transmittance, and wide energy band gap, which makes it a promising material for the display devices, solar cells, and chemical sensor industries. The present study was undertaken to evaluate the effect of biofield energy treatment on the atomic and physical properties of ATO nanopowder. The ATO nanopowder was divided into two parts: control and treated. The treated part was subjected to Mr. Trivedi’s biofield energy...
Topics: X-ray diffraction, Biofield Energy Treatment, Fourier transform infrared, Electron Spin Resonance,...
Source: http://academictorrents.com/details/2675b7d172bc2a0cb687dcb597689f965a89cb3d
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Aug 12, 2018
08/18
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Mahendra Kumar Trivedi; Rama Mohan Tallapragada; Alice Branton; Dahryn Trivedi; Gopal Nayak; Omprakash Latiyal; Snehasis Jana
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Barium calcium tungsten oxide (Ba2CaWO6) is known for its double perovskite-type crystal structure. The present study was designed to see the effect of biofield energy treatment on physical, atomic, and structural properties of Ba2CaWO6. In this study, Ba2CaWO6 powder sample was divided into two parts, one part was remained as untreated, denoted as control, while the other part was subjected to Mr. Trivedi’s biofield energy treatment and coded as treated. After that, the control and treated...
Topics: X-ray diffraction, Surface area, Fourier transform infrared spectroscopy, Biofield Energy...
Source: http://academictorrents.com/details/4507ca7619c084ffaefb6fb10ff4f8afd6180aca
During the course of this research we have developed techniques for practical implementation of electron spin resonance in quantum dots. These include a specialized mount for application of rf magnetic fields to drive electron spin resonance, on-chip matching networks for quantum point contacts and single electron transistors, and integrated nanomagnets that give rise to a field differential between two adjacent dots. We have also developed shot-noise-limited radio-frequency quantum point...
Topics: DTIC Archive, DARTMOUTH COLL HANOVER NH, *ELECTRON SPIN RESONANCE, *QUANTUM DOTS, TRANSISTORS,...
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Jun 19, 2010
06/10
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Naber, J. A.; Wikner, E. G
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Electrical conductivity and electron spin resonance experiments in study of radiation effects on silicon
Topics: ELECTRICAL RESISTIVITY, ELECTRON PARAMAGNETIC RESONANCE, PURITY, RADIATION EFFECTS, SILICON,...
The growth of monoclinic Ga2O3 nanowires, nano-ribbons and nano-sheets has been investigated. Results indicate that high quality single crystal nanowires can be grown at 900?C using an Au catalyst, while single crystal nano-ribbons and nano-sheets require no metal catalyst for growth. Since bulk Ga2O3 is a promising material for high temperature sensing, Ga2O3 nanowires and nano-ribbons may prove to enhance the sensing capability due to the high surface area. We have investigated the nature of...
Topics: DTIC Archive, NAVAL RESEARCH LAB WASHINGTON DC, *NANOWIRES, *SINGLE CRYSTALS, ELECTRON SPIN...
A series of hemoglobin samples were received from LAIR. They were stored in two types of containers at 4 C and one set was frozen at dry ice temperatures. These samples were analyzed using ESR for metHb and hemichrome content as a function of storage time. The 4 C samples stored in glass bottles had a very uniform increase in metHb which was linear in time over the five months they were studied. The frozen samples had no changes in their metHb with time once they were frozen. The 4 C sample...
Topics: DTIC Archive, Myers,R J, CALIFORNIA UNIV BERKELEY, *Hemoglobin, *Blood storage, Stability, Storage,...
A Single Electron Transistor (SET) turns on and off for an electron added to it. Our goal is to better control and understands the physics of SETs in order to make them technologically useful. Our work has shown that the SET behaves like an artificial atom, in that the number of electrons and the energy are both quantized. The goal of our current project is to measure the electron spin resonance in this artificial atom, when it contains an odd number of electrons. This is an important step in...
Topics: DTIC Archive, Kastner, Marc A, MASSACHUSETTS INST OF TECH CAMBRIDGE, *TRANSISTORS, QUANTUM THEORY,...
Topics: DTIC Archive, Ambrosetti, Roberto, FLORENCE UNIV (ITALY), *NUCLEAR MAGNETIC RESONANCE, ELECTRON...
In this project, we investigated magnetic property of pi-conjugated molecules and application of spin-radical containing molecule. This report has three parts. First, we will report the results of organic magnetoresistance (OMAR) in field effect transistors. We observed OMAR in ambipolar field effect transistors based on Hex-4-TFPTA. Underlying mechanism of OMAR was tuned by changing source-drain voltage from positive (+100 V) to negative (- 100 V) at fixed gate voltage (+100V). The maximum MR...
Topics: DTIC Archive, SEOUL NATIONAL UNIV (REPUBLIC OF KOREA), *ASCORBIC ACID, *MAGNETORESISTANCE,...
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Jun 29, 2020
06/20
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Taylor, R. H
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118 pages : 26 cm
Topics: Magnetic ions, Electron paramagnetic resonance, Metals -- Magnetic properties,...
Techniques have been developed to quantitatively measure the methemoglobin content of hemoglobin samples using electron spin resonance spectroscopy. It is also possible to follow the buildup of the hemichromes as the methemoglobin decays. This technique was applied to hemoglobin supplied by Fischer and also to samples prepared for us by LAIR. The Fischer samples came sealed in glass ampules. They contained relatively large amounts of hemichromes but their hemichrome content seemed independent...
Topics: DTIC Archive, Myers,R J, CALIFORNIA UNIV BERKELEY, *Hemoglobin, Stability, Storage, Freezing,...
The original aim of this MURI was to combine an experimental effort to develop tools to manipulate quantum coherence in the solid state. based on metallic wires, quantum point contacts, and the quantum Hall effect, with theoretical efforts aimed at understanding device architectures and the information capacity of quantum channels. The Marcus group aims to develop locally controlled magnetic fields in the vicinity of quantum point contacts and to develop novel heterostructure-based spin...
Topics: DTIC Archive, Marcus, Charles M, STANFORD UNIV CA, *QUANTUM ELECTRONICS, MAGNETIC FIELDS, HALL...
We report on detailed studies of electronic and nuclear spin states in the diamond-nitrogen-vacancy (NV) center under weak transverse magnetic fields. We numerically predict and experimentally verify a previously unobserved NV hyperfine level anticrossing (LAC) occurring at bias fields of tens of gausstwo orders of magnitude lower than previously reported LACs at 500 and 1000 G axial magnetic fields. We then discuss how the NV ground-state Hamiltonian can be manipulated in this regime to tailor...
Topics: DTIC Archive, Clevenson,Hannah, MIT Lincoln Laboratory Lexington United States, nuclear spins, spin...
A summary is given of the results obtained on this grant. Various experiments were performed to better understand the mechanisms which are important to the crystalline to amorphous transformation produced by ion implantation. From these experiments have emerged several important concepts and processes. These have been reported in several publications and talks, and it has been possible to interpret the results in terms of a composite model for the amorphization transformation.
Topics: DTIC Archive, Hale,Edward B, MISSOURI UNIV-ROLLA, *PHASE TRANSFORMATIONS, *AMORPHOUS MATERIALS,...
The goal of the project was to establish the limitations on the transverse spin relaxation of bound donors in dilute semiconductors, in particular in Si:P. The experiments were undertaken in two steps, first using the existing pulsed EPR spectrometer in Prof. Holczer's laboratory, and then extending to longer times after obtaining an upgrade in hardware from Bruker Biospin Corporation.
Topics: DTIC Archive, Clark, W G, CALIFORNIA UNIV LOS ANGELES, *MEASUREMENT, *ELECTRON SPIN RESONANCE,...
Radical species which are stable only at low temperatures are investigated by electron spin resonance and optical methods. The initial compound chosen for study was KH2PO4, the deuterated compound also being included in this investigation. 50-kv x-rays produce free radicals in this compound which appear to be completely stable at liquid air temperatures, but decay rapidly above about 140K. Complete orientation data were taken on this compound about all three crystallographic axes for both...
Topics: DTIC Archive, ALABAMA UNIV UNIVERSITY, *ELECTRON SPIN RESONANCE, *ISOTOPE EFFECT, HYDROGEN,...
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Jun 29, 2020
06/20
by
Poole, Charles P
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xxvii, 780 pages : 25 cm
Topics: Electron paramagnetic resonance, Electron nuclear double resonance spectroscopy, Relaxation...
Topics: DTIC Archive, DeVore,T C, FLORIDA UNIV GAINESVILLE DEPT OF CHEMISTRY, *ELECTRON SPIN RESONANCE,...
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Apr 24, 2020
04/20
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Henry, Yann A
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331 pages : 27 cm
Topics: Bioquimica, Metalloproteins -- Metabolism, Nitric oxide -- Metabolism, Organonitrogen compounds --...
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: 24 cm
Topics: Nuclear magnetic resonance, Electron paramagnetic resonance, Biology -- Technique, Biology --...
Coherent interactions between spins in quantum dots are a key requirement for quantum gates. We have performed pump-probe experiments in which pulsed lasers emitting at different photon energies manipulate two distinct subsets of electron spins within an inhomogeneous InGaAs quantum dot ensemble. The spin dynamics are monitored through their precession about an external magnetic field. These measurements demonstrate spin precession phase shifts and modulations of the magnitude of one subset of...
Topics: DTIC Archive, TECHNISCHE UNIV DORTMUND (GERMANY), *QUANTUM DOTS, ELECTRON SPIN RESONANCE, GERMANY,...
The overall objective of this project is to characterize the detailed structural and dynamic response of the estrogen receptor ligand binding domain (ER-LBD) to a variety of ligands ranging from strong estrogens to strong antiestrogens using electron spin labeling. The technical aims for the initial period involved developing site-directed spin-labeled mutants of the ER-LBD and synthesizing new spin-labeled ligands for the proposed studies. We have optimized cell culture production of ER-LBD...
Topics: DTIC Archive, Budil, David E, NORTHEASTERN UNIV BOSTON MA, *DYNAMIC RESPONSE, *ELECTRON SPIN...
A series of hemoglobin (Hb) samples were received from LAIR. They were stored in two types of containers at 4 C and one set was frozen at dry ice temperatures. These samples were analyzed for metHb and hemichrome content as a function of storage time using ESR. The samples stored in sealed glass bottles at 4 C had a very uniform increase in metHb over the period of the study (17 months). This rate of increase appeared exponential in nature. The frozen samples, which were also stored in glass...
Topics: DTIC Archive, Myers,R J, CALIFORNIA UNIV BERKELEY, *Hemoglobin, Storage, Freezing, Thawing,...
We have combined very sensitive electron paramagnetic resonance measurements and electrical measurements to identify performance limiting defects in SiC based semiconductor devices. This work is relevant to the US Army because SiC based devices offer quite significant potential advantages for high power and high temperature electronics.
Topics: DTIC Archive, Lenahan, P M, PENNSYLVANIA STATE UNIV UNIVERSITY PARK, *DEFECTS(MATERIALS),...
This is a presentation of the JASON summer study on Spintronics done at DARPA's request in 1999.
Topics: DTIC Archive, Westervelt, Robert, MITRE CORP MCLEAN VA JASON PROGRAM OFFICE, *SEMICONDUCTORS,...
The interaction between two quantum bits enables the creation of entanglement, the two-particle correlations that are at the heart of quantum information science. In semiconductor quantum dots, much work has focused on demonstrating control over single spin qubits using optical techniques. However, optical control of two spin qubits remains a major challenge for scaling to a fully fledged quantum-information platform. Here, we combine advances in vertically stacked quantum dots with ultrafast...
Topics: DTIC Archive, NAVAL RESEARCH LAB WASHINGTON DC, *QUANTUM DOTS, ELECTRON SPIN RESONANCE, ELECTRONS,...
IBM and its subcontractors achieved the major goal of this contract: the detection of individual electron spins by magnetic resonance force microscopy (MRFM). To achieve this result a number of key elements were developed, including a low temperature apparatus capable of detecting ultrasmall (attonewton) forces, specialized cantilever force sensors, methods for manipulating and detecting electron spins with random initial polarization, etc. In addition, both theoretical and experimental work...
Topics: DTIC Archive, Rugar, Daniel, IBM ALMADEN RESEARCH CENTER SAN JOSE CA, *MAGNETIC RESONANCE,...
One of the most common reference functions used for open shell molecules is the unrestricted Hartree-Fock (UHF) reference. While this reference is useful for many molecular systems, it can sometimes suffer from the mixing of high multiplicity states into the state of interest. This phenomenon is termed spin contamination. A number of projection techniques have been developed to correct the UHF reference at the SCF and correlated levels. General implementation of gradients for these projected...
Topics: DTIC Archive, Lauderdale, Walter J, AIR FORCE INST OF TECH WRIGHT-PATTERSON AFB OH, *PERTURBATION...
A decrease of one to six gauss (depending on magnetic field orientation) in the coupling constants of the CH₂CO₂⁻ radical formed in X-irradiated zinc acetate dihydrate has been observed over a temperature range of about -60°C to +30°C. Calculations of dipolar and Fermi contact interaction based on a model of internal rotation of the methylene group about the C-C bond have shown a small coupling constant decrease on the order of 0.19 gauss over a temperature range of -150°C to +90°C....
Topics: Chemistry, Fermi contact interaction, Monte Carlo calculation, coupling constants, dipolar...
Theoretical studies have been made on the nonlinear operating regimes of crossed-field vacuum devices, in the nonrelativistic regime. The main interaction is a wave-particle interaction between those drifting electrons whose velocities match the phase velocity of the RF wave in the slow-wave structure. The theory is based on two elementary modes: a DC average background mode and an RF oscillating mode. These elementary modes interact nonlinearly via a nonlinear diffusion process, for which...
Topics: DTIC Archive, Kaup, David J., KAUP INC POTSDAM NY, *PLASMAS(PHYSICS), *CROSSED FIELD DEVICES,...
Topics: DTIC Archive, Von Hippel, A., MASSACHUSETTS INST OF TECH CAMBRIDGE LAB FOR INSULATION RESEARCH,...
Measurements were made of the spin-lattice nuclear relaxation time of 0.07% solutions of polarized helium-3 in liquid helium-4 at 4 K by use of an rf-biased SQUID (Superconducting Quantum Interference Device) magnetometer in magnetic fields ranging between 30 microGauss and 3 milliGauss. After the effect of magnetic-gradient-induced relaxation was subtracted by extrapolation to large magnetic fields, it was found that the relaxation time was 40 hours in a 1 cm-diameter pyrex cell. When the...
Topics: DTIC Archive, Taber,Michael A, STANFORD UNIV CALIF DEPT OF PHYSICS, *SOLUTIONS(MIXTURES), *ELECTRON...
Measurements were made of the spin-lattice nuclear relaxation time of 0.07% solutions of polarized helium-3 in liquid helium-4 at 4 K by use of an rf-biased SQUID (Superconducting Quantum Interference Device) magnetometer in magnetic fields ranging between 30 microGauss and 3 milliGauss. After the effect of magnetic-gradient-induced relaxation was subtracted by extrapolation to large magnetic fields, it was found that the relaxation time was 40 hours in a 1 cm-diameter pyrex cell. When the...
Topics: DTIC Archive, Taber,Michael A, STANFORD UNIV CALIF DEPT OF PHYSICS, *SOLUTIONS(MIXTURES), *ELECTRON...
By ESR spectra and magnetic susceptibility measurement, the ferromagnetic behavior of liver ribosome, ribosomal RNA and thymus DNA was studied. The results obtained strongly suggested that RNA and DNA of high molecular weight are ferromagnetic in themselves and hence they would be so even in the ribosomes or nuclei. Some studies on the brain microsomes were made. Using the method of isolating liver ribosome, it was found that brain ribosomes were also composed of 110s, 80s and 60s component....
Topics: DTIC Archive, Inouye, Akira, KYOTO UNIV (JAPAN), *ELECTRON SPIN RESONANCE, *LIVER, *MICROSOMES,...
The most recent results achieved: We showed that electron spin flips are dominated by nuclear interactions and are slowed by several orders of magnitude when a magnetic field of a few millitesla is applied. We demonstrated coherent control of a quantum two-level system based on two-electron spin states in a double quantum dot allowing state preparation, coherent manipulation, and projective read-out. We showed how realistic charge manipulation and measurement techniques, combined with the...
Topics: DTIC Archive, Lukin, Mikhail, HARVARD UNIV CAMBRIDGE MA, *QUANTUM THEORY, *QUANTUM DOTS, MAGNETIC...
Measurements were made of the spin-lattice nuclear relaxation time of 0.07% solutions of polarized helium-3 in liquid helium-4 at 4 K by use of an rf-biased SQUID (Superconducting Quantum Interference Device) magnetometer in magnetic fields ranging between 30 microGauss and 3 milliGauss. After the effect of magnetic-gradient-induced relaxation was subtracted by extrapolation to large magnetic fields, it was found that the relaxation time was 40 hours in a 1 cm-diameter pyrex cell. When the...
Topics: DTIC Archive, Taber,Michael A, STANFORD UNIV CALIF DEPT OF PHYSICS, *SOLUTIONS(MIXTURES), *ELECTRON...
Measurements were made of the spin-lattice nuclear relaxation time of 0.07% solutions of polarized helium-3 in liquid helium-4 at 4 K by use of an rf-biased SQUID (Superconducting Quantum Interference Device) magnetometer in magnetic fields ranging between 30 microGauss and 3 milliGauss. After the effect of magnetic-gradient-induced relaxation was subtracted by extrapolation to large magnetic fields, it was found that the relaxation time was 40 hours in a 1 cm-diameter pyrex cell. When the...
Topics: DTIC Archive, Taber,Michael A, STANFORD UNIV CALIF DEPT OF PHYSICS, *SOLUTIONS(MIXTURES), *ELECTRON...
Measurements were made of the spin-lattice nuclear relaxation time of 0.07% solutions of polarized helium-3 in liquid helium-4 at 4 K by use of an rf-biased SQUID (Superconducting Quantum Interference Device) magnetometer in magnetic fields ranging between 30 microGauss and 3 milliGauss. After the effect of magnetic-gradient-induced relaxation was subtracted by extrapolation to large magnetic fields, it was found that the relaxation time was 40 hours in a 1 cm-diameter pyrex cell. When the...
Topics: DTIC Archive, Taber,Michael A, STANFORD UNIV CALIF DEPT OF PHYSICS, *SOLUTIONS(MIXTURES), *ELECTRON...
Measurements were made of the spin-lattice nuclear relaxation time of 0.07% solutions of polarized helium-3 in liquid helium-4 at 4 K by use of an rf-biased SQUID (Superconducting Quantum Interference Device) magnetometer in magnetic fields ranging between 30 microGauss and 3 milliGauss. After the effect of magnetic-gradient-induced relaxation was subtracted by extrapolation to large magnetic fields, it was found that the relaxation time was 40 hours in a 1 cm-diameter pyrex cell. When the...
Topics: DTIC Archive, Taber,Michael A, STANFORD UNIV CALIF DEPT OF PHYSICS, *SOLUTIONS(MIXTURES), *ELECTRON...
Measurements were made of the spin-lattice nuclear relaxation time of 0.07% solutions of polarized helium-3 in liquid helium-4 at 4 K by use of an rf-biased SQUID (Superconducting Quantum Interference Device) magnetometer in magnetic fields ranging between 30 microGauss and 3 milliGauss. After the effect of magnetic-gradient-induced relaxation was subtracted by extrapolation to large magnetic fields, it was found that the relaxation time was 40 hours in a 1 cm-diameter pyrex cell. When the...
Topics: DTIC Archive, Taber,Michael A, STANFORD UNIV CALIF DEPT OF PHYSICS, *SOLUTIONS(MIXTURES), *ELECTRON...
Measurements were made of the spin-lattice nuclear relaxation time of 0.07% solutions of polarized helium-3 in liquid helium-4 at 4 K by use of an rf-biased SQUID (Superconducting Quantum Interference Device) magnetometer in magnetic fields ranging between 30 microGauss and 3 milliGauss. After the effect of magnetic-gradient-induced relaxation was subtracted by extrapolation to large magnetic fields, it was found that the relaxation time was 40 hours in a 1 cm-diameter pyrex cell. When the...
Topics: DTIC Archive, Taber,Michael A, STANFORD UNIV CALIF DEPT OF PHYSICS, *SOLUTIONS(MIXTURES), *ELECTRON...
Measurements were made of the spin-lattice nuclear relaxation time of 0.07% solutions of polarized helium-3 in liquid helium-4 at 4 K by use of an rf-biased SQUID (Superconducting Quantum Interference Device) magnetometer in magnetic fields ranging between 30 microGauss and 3 milliGauss. After the effect of magnetic-gradient-induced relaxation was subtracted by extrapolation to large magnetic fields, it was found that the relaxation time was 40 hours in a 1 cm-diameter pyrex cell. When the...
Topics: DTIC Archive, Taber,Michael A, STANFORD UNIV CALIF DEPT OF PHYSICS, *SOLUTIONS(MIXTURES), *ELECTRON...
