Low Temperature Ultrasonic Attenuation in Rapidly Cooled Niobium Containing Oxygen and Hydrogen

  • K. F. Huang
  • A. V. Granato
  • H. K. Birnbaum
Part of the NATO Conference Series book series (NATOCS, volume 6)


Measurements of ultrasonic attenuation and velocity in dilute Nb-O-H alloys were made as a function of temperature, frequency, polarization, annealing temperature, isotope, and defect concentration. In addition to the stable 2.4 K relaxation peak found earlier by Poker, et. al., an additional peak at 6.3 K at 10 MHz was found when the specimen was rapidly cooled to He temperature. The peak correlated with the resistivity recovery found by Hanada for quenched specimens and corresponds to a complex with tetragonal symmetry.


Ultrasonic Attenuation Tetragonal Symmetry Excess Heat Capacity Slow Cool Process Oxygen Trap 
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Copyright information

© Plenum Press, New York 1983

Authors and Affiliations

  • K. F. Huang
    • 1
  • A. V. Granato
    • 1
  • H. K. Birnbaum
    • 2
  1. 1.Physics Department, Materials Research LaboratoryUniversity of IllinoisUrbanaUSA
  2. 2.Metallurgy Department and Materials Research LaboratoryUniversity of IllinoisUrbanaUSA

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