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4 number 2007 year |
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1.
Title:
PROPAGATION OF TRANSVERSE HYPERSOUND
IN SOLUTION WITH STRATIFICATION REGION
Authors:
K.V. Kovalenko, S.V. Krivokhizha.
Abstract:
2.
Title:
DEGRADATION OF ORGANIC LIGHT-EMITTING DIODES BASED
ON DIFFERENT-LIGAND COMPLEXES OF TERBIUM (III) SALICYLATE
AND 2-PHENOXYBENZOATE
Authors:
L.S. Lepnev, A.A. Vashchenko, A.G. Vitukhnovskii, S.V. Eliseeva, O.V. Kotova, N.P. Kuzmina.
Abstract:
Degradation (D) of organic light-emitting diodes (OLEDs) based on new different-ligand complexes of terbium salicylate (Tb(Sal)3(TPPO)2) and 2-phenoxybenzoate (Tb(pobz)3(TPPO)2) with triphenyl phosphinoxide (????) was studied. Initial reversible D is associated with charge carrier trap filling. A temperature increase, applied stress relief, and short-term irradiation with UV light lead to trapped charge carrier release and electroluminescence (EL) intensity recovery. During strong heating, irreversible D is observed after the recovery; this D requires in addition an electric field (EF). Intense UV light causes D without EF. The use of ac bias voltage eliminates reversible D, and sealing retards irreversible long-term D.
3.
Title:
NEUTRON EVENTS IN THE UNDERGROUND MONITOR
OF THE TIEN SHAN HIGH-ALTITUDE STATION
Authors:
A.P. Chubenko, A.L. Shchepetov, L.I. Vildanova, M.I. Vildanova, P.A. Chubenko.
Abstract:
4.
Title:
ON THE MECHANISM OF GAN LAYER GROWTH AND DEFECT FORMATION
IN THE GaN-GaAs SYSTEM
Authors:
I.V. Rogozin, A.N. Georgobiani.
Abstract:
5.
Title:
DIFFUSION ANISOTROPY IN A TOROIDAL (RING) VORTEX IN WATER
Authors:
U.. Yusupaliev, P.U. Yusupaliev, S.A. Shuteev, K.Z. Rukhadze.
Abstract:
6.
Title:
ELECTRON GAS ENERGY IN NARROW-GAP SEMICONDUCTORS
IN A MAGNETIC FIELD
Authors:
P.V. Ratnikov, A.P. Silin.
Abstract:
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