Last edited by Nimuro
Monday, August 3, 2020 | History

2 edition of High-temperature, high-pressure NMR probe for superconducting magnets found in the catalog.

High-temperature, high-pressure NMR probe for superconducting magnets

Corina P. Mullen

High-temperature, high-pressure NMR probe for superconducting magnets

by Corina P. Mullen

  • 309 Want to read
  • 32 Currently reading

Published .
Written in English

    Subjects:
  • Nuclear magnetic resonance spectroscopy.,
  • Superconducting magnets.,
  • Autoclaves.

  • Edition Notes

    Statementby Corina P. Mullen.
    The Physical Object
    Pagination56 leaves, bound :
    Number of Pages56
    ID Numbers
    Open LibraryOL18096548M

    Nuclear magnetic resonance studies at high pressures (Modern -" we shall discuss two recent developments involving high-temperature, high-pressure (HTHP) NMR techniques and the high-resolution NMR spectroscopy a[ high characteristics of the probe developed for superconducting magnets"' compared favorably with. Superconducting Strand and Cable R&D Lab. The robust and versatile infrastructure that was developed at Fermilab in support of advanced superconductor and accelerator magnet development, together with the expertise acquired by the magnet scientists and engineers in design and analysis tools for superconducting materials, cable and coil technologies, makes Fermilab an ideal setting for.

      The content of this volume has been added to eMagRes (formerly Encyclopedia of Magnetic Resonance) - the ultimate online resource for NMR and MRI. Over the past 20 years technical developments in superconducting magnet technology and instrumentation have increased the potential of NMR spectroscopy so that it is now possible to study a wide range of solid cturer: Wiley. In light of the recent high-pressure μSR, Mössbauer, and NMR stud30,31, this anomaly at T m corresponds to the development of long-range magnetic order. We also note that in this magetically ordered state below T m, the orthorhombic structure similar to the one (space group Cmma) in the nematic phase has been reported recen

      We have a s' vintage Newport pulsed NMR spectrometer that we use in our UG lab for teaching NMR. It uses a permanent 'Watson' magnet and the NMR frequency is approx MHz. The pulse generator is based on an astable at MHz (so as not to saturate the RF receiver), divided down by 2 with TTL logic during the excitation pulses. The U.S. Department of Energy's Office of Scientific and Technical Information.


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High-temperature, high-pressure NMR probe for superconducting magnets by Corina P. Mullen Download PDF EPUB FB2

The probe is cooled by a remotely located closed-cycle refrigeration system and coil temperatures below 20 K have been attained.

The probe is designed to be inserted into a 37 mm diameter bore of a high homogeneity superconducting magnet with the coils located less than 2 mm from a room temperature NMR Cited by: A superconducting magnet using bulk high-temperature superconducting materials 19–22 is a promising candidate for a complement or an alternative to the current superconducting magnet in the future, because of the following attractive reasons: (1) The size of the superconducting magnet is as small as a wide-bore NMR probe.

(2) The magnetic field is stable over months. Graduation date: A high-temperature, high-pressure autoclave has been\ud adapted for use with a high-field nuclear magnetic\ud resonance spectrometer. The autoclave has an internal\ud pressure range of atmospheric pressure to kbar and a\ud temperature range of K to K.

We report the design of a nuclear magnetic resonance (NMR) probe that can be used in narrow‐bore superconducting solenoids for the observation of nuclear induction at high temperatures.

The probe is compact, highly sensitive, and stable in continuous operation at temperatures up to °C. The essential feature of the probe is a water‐cooled NMR coil that contains the sample‐furnace Cited by: 5. YBCO is used in another novel MagLab magnet.

Projected to crush the existing world record for the strongest superconducting magnet when completed inthe tesla magnet will feature about 6 miles of YBCO tape. Like the Platypus, it will combine high-temperature and low-temperature superconducting magnet coils.

Feasibility of high-pressure high-temperature NMR was demonstrated by collecting 1H-NMR spectra of H2O at 25 GPa and (50) K. space requirements and high costs of superconducting magnets.

We report a mm NMR probe based on high temperature superconductors operating at T optimized for (13)C detection. The probe has a total sample volume of about 35microliters (μL) with an. High-temperature superconductivity has a significant opportu- nity to improve the performance of nuclear magnetic resonance (NMR) spectroscopy and magnetic resonance imaging (MRI) systems.

The low rf loses and low operating temperatures of superconducting coils allow them to improve the signal-to-noise ratio in applications where the system.

Title: High-Temperature, High-Pressure NMR Probe for Superconducting Magnets Abstract approved: William W. Warren, Jr. A high-temperature, high-pressure autoclave has been adapted for use with a high-field nuclear magnetic resonance spectrometer. The autoclave has an internal pressure range of atmospheric pressure to kbar and a.

High pressure Nuclear Magnetic Resonance (NMR) is known to reveal the behavior of matter under extreme conditions. However, until now, significant maintenance demands, space requirements, and high costs of superconducting magnets render its application unfeasible for regular modern high pressure.

A high-temperature, high-pressure autoclave has been adapted for use with a high-field nuclear magnetic resonance spectrometer.

The autoclave has an internal pressure range of atmospheric pressure to kbar and a temperature range of K to K. The autoclave is usable in a high field (8 T) magnet with a room temperature, mm bore. NMR probe in high pressure and high temperature de Langen, M.; Prins, K.O.

Published in: Review of Scientific Instruments DOI: / Link to publication Citation for published version (APA): de Langen, M., & Prins, K. NMR probe in high pressure and high temperature. @article{osti_, title = {Magnetic and Superconducting Materials at High Pressures}, author = {Struzhkin, Viktor V.}, abstractNote = {The work concentrates on few important tasks in enabling techniques for search of superconducting compressed hydrogen compounds and pure hydrogen, investigation of mechanisms of high-Tc superconductivity, and exploring new superconducting.

Our Solid-state NMR facility is equipped with a wide-bore superconducting magnet operating at T, a Bruker Avance solid-state spectrometer and complete solids equipment. The available NMR probes include high spinning speed (up to 35 kHz) and regular CP-MAS probes, triple-resonance probe, low-gamma probe and a wideline probe as well as a.

STM studies of the chain planes have been made by Derro et al, but this is not usually thought to access the intrinsic superconducting properties of the material.

YBCO has typically been used in nuclear magnetic resonance (NMR) studies, which probe the spatial distribution of magnetic. High-temperature superconductors (abbreviated high-T c or HTS) are operatively defined as materials that behave as superconductors at temperatures above nearly K (− °C).

This is in fact the lowest temperature reachable by liquid nitrogen, one of the simplest coolants in cryogenics.

All superconducting materials known at ordinary pressures currently work far below ambient. US Particle Accelerator School on Superconducting Accelerator Magnets Santa Barbara, California, JuneProbe ∆B/B ~ 10–4 to 10 Requirements for NMR NMR can provide measurement of magnetic field with absolute accuracy of ppm.

However, certain requirements must be met. Get this from a library. The NMR probe of high-Tc materials and correlated electron systems. [R E Walstedt] -- This new edition updates readers in three areas of NMR studies, namely, recent developments in high-Tc materials, heavy fermion systems and actinide oxides are presented.

The NMR probe has yielded a. Model 85/8-KG-HEBLSUHV-STM Ultra High Vacuum (UHV) Compatible Long Hold Time Superconducting Magnet System Janis is pleased to offer a UHV compatible long hold time He-3 superconducting magnet system. It offers a hold time in excess of three days, at a temperature of less than K, with no active pumping on the 1 K pot.

History. The superconducting properties of CeCu 2 Si 2, a type of heavy fermion material, were reported in by Frank Steglich.

For a long time it was believed that CeCu 2 Si 2 is a singlet d-wave superconductor but since the mid s, this notion has been strongly contested. In the early eighties, many more unconventional, heavy fermion superconductors were discovered, including UBe.

Probe fundamental phenomena at force sensitivities of 3x N at K and displacements of nm. For example: Direct measurement of transverse forces on moving vortices (the Magnus effect) "Intrinsic" pinning of magnetic vortices due to spatial variations of the superconducting order parameter.Cryomagnetics, Inc.

is a complete engineering and manufacturing facility founded in We specialize in superconducting magnets, cryostats, cryogenic accessories, and related electronic instrumentation.

Not simply a reseller of these items, Cryomagnetics has the capability to manufacture a complete superconducting magnet system in-house.Haase J, Goh SK, Meissner T, Alireza PL, Rybicki D. High sensitivity nuclear magnetic resonance probe for anvil cell pressure experiments.

Rev Sci Instrum. ; 80 (7) Meissner T, et al. New Approach to High-Pressure Nuclear Magnetic Resonance with Anvil Cells. J Low Temp Phys. ; ()–