Studies of energy-relevant materials by nuclear magnetic resonance
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36 MATERIALS SCIENCE↗
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Results for “MAGNETIC RESONANCE”
Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
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Magnetic resonance imaging techniques are being developed to measure the in-situ reactions of polysiloxanes
Polysiloxane foams utilized for stockpile applications experience changes over time induced by exposure to thermal, radiative, and mechanical stresses. The interplay of these stresses can lead to chemical and/or physical changes in the polymer, such as alterations of compression set. Understanding these mechanisms require us to understand the in-situ stress states that these polymeric foams are exposed to in the service environment.
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CH↗
Electrically Detected Magnetic Resonance Study of High-Field Stress Induced Si/SiO 2 Interface Defects [Slides]
We have measured the DCIV EDMR response before and after high field gate stressing in Si/Si0 2 MOSFETs. The g-value and orientation dependence of the stress induced EDMR response indicate that it is dominated by some combination of Pbo and Pb1 interface defects.
36 MATERIALS SCIENCE↗
Nuclear Magnetic Resonance of Nano-scale quantum materials detected by Nitrogen vacancies in Diamond.
Abstract not provided.
Henshaw, Jacob Daniel↗
Nuclear Magnetic Resonance of Nano-scale Quantum Materials detected by Nitrogen Vacancy Ensembles in Diamond.
Abstract not provided.
Henshaw, Jacob Daniel↗
Nuclear Magnetic Resonance of Nano-scale Quantum Materials Detected by Nitrogen Vacancy Ensembles in Diamond.
Abstract not provided.
Henshaw, Jacob Daniel↗
Nuclear Magnetic Resonance of Nano-scale Quantum Materials Detected by Nitrogen Vacancy Ensembles in Diamond.
Abstract not provided.
Henshaw, Jacob Daniel↗
SEDONA and ERDE: Portable Detection of Chemical Agents by Low Magnetic Field Nuclear Magnetic Resonance [Slides]
Two spectrometer systems have been developed at LANL for hazardous and/or toxic chemical agent detection and forensic analysis: SpEctroscopic Detection Of Nerve Agents (SEDONA) is a portable bottle scanner; and Earth’s field Resonance Detection and Evaluation (ERDE) Devices are fieldable J-coupled Earth’s Field - NMR (EF-NMR) spectrometers.
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CH↗
Understanding aging mechanisms in Li batteries through in-situ and ex-situ nuclear magnetic resonance
This report discuss aging mechanisms and cycling performance of Li batteries, and considers the influence of both the passive and active materials. To achieve this aim we developed in situ coin cell and pouch cell NMR probes as well as HR-MAS NMR protocols to study cells with as a little modification as possible.
25 ENERGY STORAGE↗
Composition of Dissolved Organic Matter in Pore Waters of Anoxic Marine Sediments Analyzed by 1H Nuclear Magnetic Resonance Spectroscopy
Not Available
59 BASIC BIOLOGICAL SCIENCES↗
Radio-Frequency Safety Assessment of Stents in Blood Vessels During Magnetic Resonance Imaging
Not Available
Fujimoto, Kyoko↗
Magnetic resonance studies of Apollo 11 and Apollo 12 samples
Electron spin resonance studies of Apollo 11 and 12 lunar soil samples, determining ferromagnetism due to Fe particles
Chan, S. I.↗
The nuclear magnetic resonance spectra and the electronic spectra of some silicon and germanium phthalocyanines
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Kane, A. R.↗
Infrared and fluorine-19 nuclear magnetic resonance studies on sigma-phenyl-transition metal complexes. Comments on the nature of the phenyl-metal bond
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Stewart, R. P.↗
Nuclear magnetic resonance of Al-27 in topaz, Al2SiO4/F, OH/2.
The Al-27 nuclear quadrupolar coupling constant and asymmetry parameter (eta) in topaz have been determined to be 1.67 (plus or minus 0.03) MHz and 0.38 plus or minus 0.05, respectively. These values and the orientations of the principal axes are consistent with the Fe(3+) paramagnetic resonance data and with the symmetry of the AlO4F2 octahedron.
Tsang, T.↗
Laser magnetic resonance of the O2 molecule using the 337-micron HCN laser.
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Mizushima, M.↗
The state of water in muscle tissue as determined by proton nuclear magnetic resonance.
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Cooke, R.↗