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  • 1
    Electronic Resource
    Electronic Resource
    Anisotropy of the Upper Critical Field of the Organic Superconductor λ-(BETS)2GaCl4 (1999)
    Springer
    Journal of superconductivity 12 (1999), S. 511-514 
    Details
    ISSN: 1572-9605
    Keywords: Organic superconductors ; BETS ; superconductivity ; critical field ; anisotropy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Electrical Engineering, Measurement and Control Technology , Physics
    Notes: Abstract The upper critical field B c2 of the organic superconductor λ-(BETS)2GaCl4 has been determined from resistance measurements for orientation of the magnetic field along three perpendicular crystallographic directions. The Ginzburg–Landau coherence length was estimated from the slope of B c2(T) curve near T c as 12.5 nm, 1.6 nm, and 12.5 nm for the a*-, b*-, and c-directions. Angular dependence of the critical field within highly conducting ac plane at 1.5 K was shown to possess two-fold symmetry, which can be related to the band structure anisotropy.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1007728000531
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Idea to measure diastolic arterial pressure by volume oscillometric method in human fingers (1986)
    Springer
    Medical & biological engineering & computing 24 (1986), S. 549-554 
    Details
    ISSN: 1741-0444
    Keywords: Finger arterial pressure ; Indirect diastolic pressure ; Photoelectric plethysmography ; Volume oscillometric method
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02443975
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  • 3
    Electronic Resource
    Electronic Resource
    Vibration technique for indirect measurement of diastolic arterial pressure in human fingers (1989)
    Springer
    Medical & biological engineering & computing 27 (1989), S. 130-136 
    Details
    ISSN: 1741-0444
    Keywords: Diastolic pressure ; Finger arterial pressure ; Indirect sphygmomanometry ; Photoelectric plethysmography ; Pressure/volume relation ; Vibration method ; Volume oscillometric method
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Medicine
    Notes: Abstract Diastolic pressure Pd was indirectly measured by vibrating a finger artery with a 10 Hz sinusoidal pressure variation during a gradual increase (or decrease) in occlusive cuff pressure Pc. Pulsatile arterial volume changes on which sinusoidal variations are superimposed were detected by a transmitted infra-red photoelectric plethysmograph (TIPP). It is known that volume change in an artery shows a maximum amplitude at the transmural pressure Pt level equal to 0 mm Hg due to the nonlinear viscoelastic properties of the arterial wall. For the same reason, the amplitude of the sinusoidal volume variation reached its maximum at the end-diastolic phase, when Pc was controlled to be exactly equal to Pd. The indirect Pd values determined from Pc were compared with those simultaneously measured by a direct method in rabbit forelegs and by the volume-compensation method in human fingers. Using the principle of the volume oscillometric method systolic and mean pressures were also determined by this system.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02446221
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    New BETS salts based on magnetic (CuCl3, FeCl4) and non-magnetic (GaCl4) anions (1997)
    New York, NY [u.a.] : Wiley-Blackwell
    Advanced Materials for Optics and Electronics 7 (1997), S. 57-60 
    Details
    ISSN: 1057-9257
    Keywords: BETS ; salt ; synthesis ; structure ; conductivity ; magnetoresistance oscillations ; Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Electrical Engineering, Measurement and Control Technology , Physics
    Notes: New BETS salts (where BETS is bis(ethylenedithio)tetraselenafulvalene) with (CuCl3)x, Cu2C6, Cu4Cl8 and Fe0.75Ga0.25Cl4 anions have been obtained. The crystal structures and electrical and magnetoresistance properties of Κ-BETS4Cu4Cl8, θ-BETS4Cu2Cl6 and Κ-BETS2Fe0.75Ga0.25Cl4 have been studied. The last two compounds have been found to exhibit Shubnikov-de Haas and angle-dependent magnetoresistance oscillations. © 1997 John Wiley & Sons, Ltd.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
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    Paper (German National Licenses)
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