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Sunday, May 10, 2020 | History

2 edition of Millimeter wave surface resistance of RBa₂Cu₃O₇₋[delta] (R=Y, Eu, Dy, Sm, Er) superconductors found in the catalog.

Millimeter wave surface resistance of RBa₂Cu₃O₇₋[delta] (R=Y, Eu, Dy, Sm, Er) superconductors

Millimeter wave surface resistance of RBa₂Cu₃O₇₋[delta] (R=Y, Eu, Dy, Sm, Er) superconductors

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  • 37 Currently reading

Published by National Aeronautcs and Space Administration, For sale by the National Technical Information Service in [Washington, D.C.], Springfield, Va .
Written in English

    Subjects:
  • Superconductors.,
  • Cold pressing.,
  • Millimeter waves.,
  • Powder (Particles),
  • Supeconducting films.,
  • Superconductivity.,
  • Superconductors (Materials),
  • Thin films.,
  • Wave resistance.

  • Edition Notes

    StatementF.A. Miranda ... [et al.] ; prepared for the March meeting of the American Physical Society, Anaheim, California, March 12-16, 1990.
    SeriesNASA technical memorandum -- 102571.
    ContributionsMiranda, F. A., United States. National Aeronautics and Space Administration.
    The Physical Object
    FormatMicroform
    Pagination7 p.
    ID Numbers
    Open LibraryOL16132193M

    Millimeter-Wave Surface Resistance of EuBa_2Cu_3O_ Film on MgO Substrates KONAKA Tsuneo, SATO Makoto, ASANO Hidefumi Japanese journal of Abstract: Discrepancies between theoretical and experimental values of the surface resistance of metals observed at millimeter wavelengths are analyzed. Experiments with carefully prepared plane and rough copper surfaces and precision measurements of waveguide losses are ?arnumber=&isnumber=

      G. Hueber, A. M. Niknejad, Millimeter-Wave Circuits for 5G and Radar, Cambridge University Press, ()A. M. Niknejad, H. Hashemi, mm-Wave Silicon Technology: 60 ~niknejad/ This paper addresses the state-of-the-art in microwave and millimeter-wave power amplifier technology, including both discrete transistors and fully monolithic microwave integrated circuits (MMICs).

      WAVE PROPAGATION A.R. HARISH Assistant Professor Surface Waves Diffraction Wave Propagation in Complex Environments LS C X Ku KKa Millimeter wave LF Radio wave bands Microwave bands MF HF VHF UHF SHF EHF • Navigation 3 kHz–30 kHz km to 10 km   Title Superconducting Transition of RBa₂Cu₃O₇_x (R: Y,Gd) Author(s) susceptibility and ac resistance. The structural examination of the samples was made by X-ray diffraction perpendicular to the flat surface of the disk. The demagnetizing effect was previously found not to be crucial for our experiments) For the measurement of a


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Millimeter wave surface resistance of RBa₂Cu₃O₇₋[delta] (R=Y, Eu, Dy, Sm, Er) superconductors Download PDF EPUB FB2

The surface impedance of several c-axis oriented YBa 2 Cu 3 O 7 thin-film samples was measured in a copper host cavity at 87 GHz between K and K. High quality films between μm and μm in thickness have been grown epitaxially on SrTiO 3 by pulsed excimer laser ablation. The partial penetration of the electromagnetic fields into the substrate leads to an enlarged surface Get this from a library.

Millimeter wave surface resistance of RBa₂Cu₃O--[delta] (R=Y, Eu, Dy, Sm, Er) superconductors. [Félix A Miranda; United States. National Aeronautics and Space Administration.;] David M.

Sheen, Thomas E. Hall, in Counterterrorist Detection Techniques of Explosives, Properties of millimeter waves.

Millimeter waves are electromagnetic (radio) waves typically defined to lie within the frequency range of 30– GHz. The microwave band is just below the millimeter-wave band and is typically defined to cover the 3–GHz :// Millimeter wave surface resistance of RBa₂Cu₃O₇₋[delta] (R=Y, Eu, Dy, Sm, Er) superconductors [m Key issues in trade facilitation: summary of World Bank/EU workshops in Precision measurements of active and reactive components of in-plane microwave surface impedance were performed in single crystals of optimally-doped Fe-based superconductor Ba(Fe1−xCox)2As2 (x=, Tc= K).

Measurements in a millimeter wavelength range (Ka band, 35–40 GHz) were performed using whispering gallery mode excitations in the ultrahigh quality factor quasioptical   Bolometers for Millimeter-Wave Power the thermal conductance of air and the silver contacts, L s is given by [3] L s = ~/K s/(2~fC s) where K s and Cs are the thermal conductivity and capacity of the substrate, respectively, and f is the modulation :// ×Close.

The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login :// Millimeter-Wave Surface Resistance of EuBa2Cu3O7−y Film on MgO Substrates Konaka Tsuneo, Sato Makoto, Asano Hidefumi Japanese Journal of Applied Physics 29pt2(4), LL, Abstract: The flip-chip bump interconnection structure has become popular for microwave and millimeter-wave package applications.

This structure is expected to provide higher performance and a low cost packaging method. This paper presents the results of an evaluation of flip-chip assembled radio frequency (RF) ://   A simple comparative technique to characterize surface electrical resistance of small metallic samples at submillimeter wavelengths is presented.

A quasioptical hemispherical resonator, fed by an optically pumped far‐infrared laser is used, with the sample serving as the plane mirror. The cavity developed combines a small beam size at the sample, enabling measurements on samples with 2 days ago  5G Wireless Technology: Millimeter Wave Health Effects (Updated ) The emergence of 5G, fifth-generation telecommunications technology, has been in the news lately because the wireless industry has been pushing controversial legislation at the state and federal level to expedite the deployment of this :// Millimeter wave surface resistance and penetration depth of the high Tc superconducting thin films were determined and compared with results of other millimeter-wave characterization techniques.

These measurements were extended using quasi-optical millimeter wave bandpass filters using YBa[sub 2]Cu[sub 3]O[sub 7] high Tc superconducting films The thermal effects induced by millimeter waves can apparently penetrate below the surface of the eye.” This one is also difficult to find, but can be found at the academic citation “Kojima M, Hanazawa M, Yamashiro Y, Sasaki H, Watanabe S, Taki M, Suzuki Y, Hirata A, Kamimura Y, Sasaki K.

ACUTE OCULAR INJURIES CAUSED BY GHZ MILLIMETER   Remember, this is for a 1mm long wirebond, and millimeter-wave frequencies you will need to have much shorter wires. Let's project that wirebonds will never be shorter than 10 mil (um)s, and therefore, take 1/4 of the values in the plot below to be the ultimate ://avescom/encyclopedias/wirebond-impedance-and-attenuation.

Vol Issue 2, February ISSN: (Print) (Online) Use of a Fabry-Perot Resonator for the measurement of the surface resistance of high T c superconductors at millimeter wave   Communications using the orbital angular momentum (OAM) of radio waves have attracted much attention in recent years.

In this paper, a novel millimeter-wave dual OAM mode antenna is cleverly designed, using which a 60 GHz wireless communication link with two separate OAM channels is experimentally ://   metastasis, and tumor resistance to chemotherapeutic drugs.

Thus combined therapy using MMWT provides a promising new strategy for the treatment of cancer. Millimeter Wave and Drug Induced Modulation of the Immune System -Application in Cancer Immunotherapy Mahendra K. Logani*, Mahendra K.

Bhopale and Marvin C. Ziskin Suggested Citation:"4 Review of Previous Studies of Millimeter Wave AIT."National Academies of Sciences, Engineering, and Medicine. Airport Passenger Screening Using Millimeter Wave Machines: Compliance with :// The streamer-to-spark transition in a point-to-plane configuration in atmospheric pressure air is studied using a 2D-0D combined approach.

A validated fluid code is used and improved to model the spark stage. 2D modeling of discharges at three different temperaturesand K are conducted, the spark transition occurs when temperature reaches K in the first :// Dual-band frequency selective surfaces (FSSs), acting as spatial filters for the incident electromagnetic waves, have been widely investigated over the past few decades [1].

In order to satisfy. MEASUREMENTS of the high-frequency resistance of superconducting tin, extending previous work1 at 1, Mc./s., have now been carried out at frequencies around 9, Mc./s.

(wave-length cm.). The invention relates to a millimeter wave measurement process. From H.-G. Unger, Elektromagnetische Theorie fur die Hochfrequenztechnik [Electromagnetic Theory for High-Frequency Technology], Huthigit is known that with quality measurements (Vol.1, Eq.

and Eq. ) and resonant frequency measurements (Vol. 2, Eq) in cavity resonators, the surface impedance Z ob Journal of Infrared, Millimeter, and Terahertz Waves. All Volumes & Issues. Vol Is October ISSN: (Print) (Online) In this issue (17 articles) Surface resistance and far infrared absorptivity at T=7 K of highT c YBaCuO ://