TITLE

Enhanced sensitivity for high-pressure EPR using dielectric resonators

AUTHOR(S)
Bromberg, Steven E.; Chan, I. Y.
PUB. DATE
July 1992
SOURCE
Review of Scientific Instruments;Jul1992, Vol. 63 Issue 7, p3670
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
We present a modified Merrill–Bassett diamond anvil cell for performing electron paramagnetic resonance (EPR) experiments under high pressure. The design centers on two mutually coupled TiO2 dielectric resonators mounted close to the diamonds. This configuration produces a tangential microwave magnetic field at the gasket, which is a prerequisite for a magnetic resonance experiment. Our simple device has a considerable advantage over previous approaches for EPR under pressure in both its compactness and sensitivity.
ACCESSION #
9784296

 

Related Articles

  • Transparent miniature dielectric resonator for electron paramagnetic resonance experiments. Blank, Aharon; Stavitski, Eli; Levanon, Haim; Gubaydullin, Firdus // Review of Scientific Instruments;May2003, Vol. 74 Issue 5, p2853 

    Presents a novel miniature dielectric resonator for X-band electron paramagnetic resonance experiments. Features of the resonator based on a single crystal of KTaO[sub 3]; Consideration of several configurations of resonators; Presentation of the findings in terms of both experimental and...

  • A "shunt" Fabry-Perot resonator for high-frequency electron spin resonance utilizing a variable coupling scheme Barnes, Jeff P.; Freed, Jack H. // Review of Scientific Instruments;Aug1998, Vol. 69 Issue 8, p3022 

    Investigates the performance of a Fabry-Perot resonator for high-frequency electron spin resonance. Advantages of using the equipment; Usefulness of the device on a macroscopically aligned and fully hydrated model phospholipid membrane; Suggestions for improving the sensitivity and design of...

  • Enhanced ESR sensitivity using a dielectric resonator. Walsh, W. M.; Rupp, L. W. // Review of Scientific Instruments;Sep86, Vol. 57 Issue 9, p2278 

    Miniaturized TE011 resonators using cylinders of commercial high dielectric constant materials yield up to 30×ESR sensitivity improvements for small samples.

  • Resonant microwave cavity for 8.5–12 GHz optically detected electron spin resonance with simultaneous nuclear magnetic resonance. Colton, J. S.; Wienkes, L. R. // Review of Scientific Instruments;Mar2009, Vol. 80 Issue 3, p035106 

    We present a newly developed microwave resonant cavity for use in optically detected magnetic resonance (ODMR) experiments. The cylindrical quasi-TE011 mode cavity is designed to fit in a 1 in. magnet bore to allow the sample to be optically accessed and to have an adjustable resonant frequency...

  • Novel multisample dielectric resonators for electron paramagnetic resonance spectroscopy. Golovina, Iryna S.; Kolesnik, Sergiy P.; Geifman, Ilia N.; Belous, Anatoliy G. // Review of Scientific Instruments;Apr2010, Vol. 81 Issue 4, p044702 

    We have developed and tested two types of novel dielectric resonators for simultaneous recording of electron paramagnetic resonance (EPR) spectra from two to four samples. The resonator of the first type contains two holes, and the other resonator contains four holes for introduction of the...

  • SURFACE DIELECTRIC RESONATORS FOR X-BAND EPR SPECTROSCOPY. Petryakov, Sergey V.; Schreiber, Wilson; Kmiec, Maciej M.; Williams, Benjamin B.; Swartz, Harold M. // Radiation Protection Dosimetry;Dec2016, Vol. 172 Issue 1-3, p127 

    A new resonator for X-band electron paramagnetic resonance (EPR) spectroscopy, which utilizes the unique resonance properties of dielectric substrates, has been developed using a single crystal of titanium dioxide. As a result of the dielectric properties of the crystal(s) chosen, this novel...

  • Force-detected magnetic resonance in a field gradient of 250 000 Tesla per meter. Bruland, K. J.; Dougherty, W. M.; Garbini, J. L.; Sidles, J. A.; Chao, S. H. // Applied Physics Letters;11/23/1998, Vol. 73 Issue 21 

    We report the detection of slice-selective electron spin resonance with an external magnetic field gradient comparable to local interatomic gradients, using the techniques of magnetic resonance force microscopy. An applied microwave field modulated the spin-gradient force between a paramagnetic...

  • Electron spin resonance study of high field stressing in metal-oxide-silicon device oxides. Warren, W. L.; Lenahan, P. M. // Applied Physics Letters;11/10/1986, Vol. 49 Issue 19, p1296 

    We find that two paramagnetic ‘‘trivalent silicon’’ centers appear to be responsible for damage resulting from Fowler–Nordheim injection of electrons into thermal oxides on silicon.

  • Paramagnetic centers at Si-SiO2 interfaces in silicon-on-insulator films. Carlos, W. E. // Applied Physics Letters;5/18/1987, Vol. 50 Issue 20, p1450 

    Electron spin resonance measurements of silicon-on-insulator materials formed oxygen implantation are reported. The principal paramagnetic defect observed is a Pb center at the interface between Si and SiO2 precipitates in the Si film over the buried oxide layer. The 29Si central hyperfine...

Share

Read the Article

Courtesy of THE LIBRARY OF VIRGINIA

Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics