Journal ArticleDOI
Comparative study of the low-temperature acoustic properties of CuO and YBa2Cu3Ox ceramics
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In this article, a comparative study of ultrasound velocity and absorption in the ceramics CuO and YBa2Cu3Ox (x=6.95 and 6.3) in the temperature range 5-310 K and the frequency interval 47-370 kHz is made.About:
This article is published in Solid State Communications.The article was published on 1992-03-01. It has received 15 citations till now. The article focuses on the topics: Atmospheric temperature range.read more
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Ultrasonic and related experiments in high-Tc superconductors
TL;DR: The results of ultrasonic, sonic and infrasonic experiments in high-Tc superconductors (HTSC) are reviewed in this paper, where some other related fields of investigation are also mentioned.
Journal ArticleDOI
Elastic behavior of a YBaCuO sample prepared by the MPMG method
TL;DR: In this paper, it has been observed that the sample exhibits a very high value of Young's and rigidity moduli, thereby indicating that the material is an excellent one from the point of view of its mechanical strength.
Journal ArticleDOI
Cathodoluminescence and microRaman analysis of oxygen loss in electron irradiated YBa2Cu3O7−x
TL;DR: In this paper, the effect of oxygen loss on the luminescence of YBa_2Cu_3O_(7-x) has been investigated by cathodoluminescence (CL) in the scanning electron microscope (SEM) and by Raman microprobe measurements.
Journal ArticleDOI
Correlation between anomalous elastic behaviour under pressure and with temperature near 220 K in YBa2Cu3O7-x
M Cankurtaran,G A Saunders +1 more
TL;DR: In this article, the velocities of longitudinal and shear ultrasonic waves propagated in dense ceramic YBa2Cu3O7-x have been measured as functions of temperature and hydrostatic pressure.
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Lattice instabilities in single-phase polycrystalline Y1-xCaxBa2Cu4O8 (x=0,0.005, 0.1)
Wu Ting,K Fossheim +1 more
TL;DR: In this paper, it was found that partial replacement of Y by Ca may enhance the interatomic couplings of the lattice, leading to a higher Debye temperature in Ca-substituted samples.
References
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Journal ArticleDOI
Magnetism in cupric oxide
TL;DR: In this article, a single-crystal neutron diffraction measurements have been used to study the long-range magnetic ordering in cupric oxide, CuO, and good agreement is obtained for the commensurate phase with a multipole model for the copper magnetisation density and spins of 0.65(3) mu B directed parallel to b.
Journal ArticleDOI
Antiferromagnetism in YBa2Cu
John M. Tranquada,A. H. Moudden,Alan I. Goldman,Peter Zolliker,D. E. Cox,Gen Shirane,S. K. Sinha,David Vaknin,David C. Johnston,M. S. Alvarez,Allan J. Jacobson,Joseph T. Lewandowski,John M. Newsam +12 more
TL;DR: In this paper, a single antiferromagnetic structure was observed throughout the ordered phase, with a maximum N\'eel temperature of \ensuremath{\sim}500 K and average ordered moment of (0.66\ifmmode\pm\else\textpm\fi{}0.4$).
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A study of electrical resistivity, internal friction and shear modulus on an aged Ti49Ni51 alloy
TL;DR: In this article, a 400°C aged Ti 49 Ni 51 alloy can exhibit the transformation sequence of B2 →r premartensite R-phase →r martensite.
Journal ArticleDOI
Evidence for ferroelectric phase transitions and excitonic high-Tc superconductivity in YBa2Cu3O7−δ from ultrasonic measurements
TL;DR: In this paper, the absorption and dispersion anomalies of the sound-induced rf magnetic field in superconducting YBa 2 Cu 3 O 7−δ ( δ K T K ) were reported.