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A possible tricritical line in Ni(NO3)2 · 2H2O
(Journal of Magnetism and Magnetic Materials, 1987-04-02) [Artigo]
We obtain the behaviour of the critical (possibly tricritical) point for metamagnetic Ni(NO3)2·2H2O as a function of several applied hydrostatic pressures up to 11 kbar. The obtained line of possible tricritical points ...
Magnetic properties of Ni(NO3)2·2H2O
(Journal of Magnetism and Magnetic Materials, 1988-10-01) [Artigo]
This work is concerned with the magnetic properties of Ni(NO3)2·2H2O from (Hin-T) and (Hap-T) phase diagrams. From these diagrams we have obtained the values of Hc(0), TN and Tt. A comparison between experimental and ...
A new approach to the experimental determination of the critical temperature of metamagnets
(Journal of Magnetism and Magnetic Materials, 1986-02-01) [Artigo]
A new approach to the experimental determination of the critical temperature of metamagnetic samples with non-zero demagnetizing factors is presented. The method is applied to metamagnetic Ni(NO3)2·2H2O, allowing the ...
Hadronic spectroscopy: Light and heavy mesons
(Lettere Al Nuovo Cimento Series 2, 1985-06-01) [Artigo]
We calculate the spectrum of the masses of light and heavy mesons, using a potential that shows confinement and asymptotic freedom for quark-antiquark pairs. From the analysis of the results we estimate the masses of mesons ...
STABILITY IN THE DOUBLE-RESONANCE PROBLEM
(Celestial Mechanics, 1985-01-01) [Artigo]