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12 number 1999 year |
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1.
Title:
THE EFFECT OF Ar+ IMPLANTATION ON THE GALVANOMAGNETIC PROPERTIES OF SEMIINSULATING GaAs1
Authors:
P.D. Berkis, A.S. Menounos, P.C. Euthymiou, V.S. Vavilov, C.D. Kourkoutas.
Abstract:
The data of galvanomagnetic measurements on semiinsulating GaAs (undoped,
lightly Cr-doped and heavily Cr-doped) before and after Ar+ implantation are presented.
The main measurements were those on resistivity, magnetoresistivity and Hall constant by
the Van der Paw method, from which we calculated the sheet carrier concentration and carrier mobility.
The measurements were extended from high temperatures down to low temperatures.
According to the results, a sharp increase in carrier concentration follows the implantation,
while the mobility does not decrease much at high temperatures. At low temperatures,
hopping conduction in Cr-doped GaAs is thought to be important after ion implantation.
2.
Title:
PERSISTENT PHOTOCONDUCTIVITY IN GaP:S AT LOW TEMPERATURES
Authors:
G.E. Zardas, P.C. Euthymiou, D.E. Theodorou, F.. Riesz, C.I. Symeonides, B.. Szentpali, V.S. Vavilov.
Abstract:
3.
Title:
MACROSCOPIC QUANTUM OSCILLATIONS IN ANTIFERROMAGNETIC NANOCLUSTERS
Authors:
A.K. Zvezdin.
Abstract:
4.
Title:
MOLECULAR MECHANISM OF GLUCOSE CONCENTRATION STABILIZATION IN BLOOD. I. PRINCIPLE OF ACTION
Authors:
M.V. Fock.
Abstract:
5.
Title:
MOLECULAR MECHANISM OF GLUCOSE CONCENTRATION STABILIZATION IN BLOOD. II. THE INFLUENCE OF THE GLUCOSE-FERMENT BINDING ENERGY
Authors:
M.V. Fock.
Abstract:
6.
Title:
HE INFLUENCE OF VARIATIONS IN A SYSTEM OF CONDUCTION ELECTRONS IN NdCeCuO ON THE UPPER CRITICAL MAGNETIC FIELD Hc2
Authors:
N.P. Shabanova, V.S. Nozdrin, S.I. Krasnosvobodtsev, V.A. Dravin, A.I. Golovashkin.
Abstract:
7.
Title:
NONLINEAR LONGITUDINAL WAVES IN METALLIC PLATES WITH ACCOUNT OF THE INTERACTION BETWEEN DEFORMATION AND DEFECT DENSITY FIELDS
Authors:
F.. Mirzoev, L.A. Shelepin.
Abstract:
8.
Title:
WEINBERG ENERGY-MOMENTUM PSEUDOTENSOR FOR THE SCHWARZSCHILD FIELD
Authors:
A.I. Nikishov.
Abstract:
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