Itinerant metamagnetism
ЗОННЫЙ МЕТАМАГНЕТИЗМ Р. 3. Левитин, А. С. МаркосянСОДЕРЖАНИЕ 1. Введение . . . . . . . . .
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Active oxygen on Group VIII metals: activation of formic acid and formaldehyde on Pd(100)
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTActive oxygen on Group VIII metals: activation of formic acid and formaldehyde on Pd(100)Scott W. Jorgensen and Robert J. MadixCite this: J. Am. Chem. Soc. 1988, 110, 2, 397–400Publication Date (Print):January 1, 1988Publication History Published online1 May 2002Published in…
Autoxidation of 2,6-di-tert-butylphenol in water catalyzed by cobalt phthalocyaninetetrasulfonate bound to polymer colloids
ADVERTISEMENT RETURN TO ISSUEPREVArticleAutoxidation of 2,6-di-tert-butylphenol in water catalyzed by cobalt phthalocyaninetetrasulfonate bound to polymer colloidsHayrettin Turk and Warren T. FordCite this: J. Org. Chem. 1988, 53, 2, 460–462Publication Date (Print):January 1, 1988Publication History Published online1…
Mixed valence manganese-( II , III ) and -( III , IV ) dinuclear complexes: preparation, structure, magnetochemistry, and e.s.r. spectra of Mn 2 (biphen) 2 (biphenH)(bpy) 2 and Mn 2 O 2 Cl 2 (OAc)(bpy) 2 (biphenH 2 = 2,2′-biphenol, bpy = 2,2′-bipyridine)
The preparation and properties of two new mixed valence Mn complexes, Mn2(biphen)2(biphenH)(bpy)2(3) and Mn2O2Cl2(OAc)(bpy)2(2)(bpy = 2,2′-bipyridine, biphenH2= 2,2′-biphenol) are reported; complex (3) has a rare S= 9/2 ground state confirmed by magnetization studies.
Distribution of {110}⟨001⟩ Oriented Grains in the Primary Recrystallized 3% Si–Fe Alloy
The distribution of {110}〈001〉 oriented grains in the primary recrystallized 3% Si–Fe alloy processed by the one-stage cold rolling method were investigated by SEM-ECC-ECP technique and the X-ray diffraction method. The main findings were in the following:(1) {110}〈001〉 oriented grains present below 30 μm from the sur…
Photodynamics of nickel-porphyrins in noncoordinating solvents: characterization of d-d excited states using transient Raman spectroscopy
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTPhotodynamics of nickel-porphyrins in noncoordinating solvents: characterization of d-d excited states using transient Raman spectroscopyE. W. Findsen, J. A. Shelnutt, and M. R. OndriasCite this: J. Phys. Chem. 1988, 92, 2, 307–314Publication Date (Print):January 1, 1988Publ…
Green's function theory of phase transition in PbHPO4and PbDPO4ferroelectrics
In this paper, we investigated the newly found order-disorder ferroelectrics PbHPO4 along with its deuterated analogue PbDPO4. Because the major contribution of the spontaneous polarization is the dipoles forming by the proton (or deuteron) ordering, not the displacements of heavy atoms as in the case of KDP-type crys…
Strain‐induced crystallization behavior of poly(ether ether ketone) (PEEK)
Abstract Strain‐induced crystallization of poly(ether ether ketone) (PEEK) was studied by the use of a parallel plate rheometer. The experimental variables included preheating time, crystallization temperature, and shear rate. The crystallization kinetics were characterized by means of an induction time defined as the…
Kerr electro-optic field mapping measurements in electron-beam irradiated polymethylmethacrylate
To understand electron-caused discharges along insulating solid surfaces on spacecraft as well as in solids, Kerr electro-optic field mapping measurements have been performed in electron-beam-irradiated polymethylmethacrylate. The accumulated trapped charge results in large self-electric fields of the order of 1 to 3.…
Diatoms (Bacillariophyceae) from surface sediments in the San Francisco Bay Estuary
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
Effect of Dispersion of ZrO<sub>2</sub> Particles on Creep of Fine-Grained Al<sub>2</sub>O<sub>3</sub>
The interface-reaction controlled diffusion creep in fine-grained Al2O3 polycrystals was affected by the dispersion state of ZrO2 particles. The ZrO2 particles at grain boundaries reduced the creep rate and increased the activation energy for creep. The stress exponents were two for both pure Al2O3 and ZrO2-containing…
Crystallographic Studies of Molecular Complexes Containing Hexafluorobenzene.
Synthese des etudes cristallographiques realisees sur les composes d'addition 1:1 de l'hexafluorobenzene avec des hydrocarbures et des amines aromatiques. Dans tous les composes etudies, les molecules associees sont empilees alternativement en des colonnes infinies. Beaucoup de ces composes ont des structures cristall…
Dislocation core effects in plasticity
An attempt at reviewing the present knowledge of dislocation intrinsic mobility in single phase chemically stable crystals is made. Metals as well as non-metals are considered. It is shown that plasticity of materials is in general dominated by dislocation core effects.
A penta-indium oxo alkoxide cluster with a central 5-co-ordinate oxygen. Preparation and X-ray crystal structure of (InOPr i ) 5 (µ 2 -OPr i ) 4 (µ 3 -OPr i ) 4 (µ 5 -O)
The X-ray crystal structure of (InOPri)5(µ2-OPri)4(µ3-OPri)4(µ5-O) reveals a square-pyramidal arrangement of indium atoms about a central oxygen; five of the alkoxo groups are terminal, four are µ2 about the basal metals, and four are µ3 about the triangular faces of the pyramid; the geometry about each metal is highl…
Multilayer activity and implications of hydrogen peroxide in the catalytic reduction of dioxygen by a dicobalt cofacial bis(porphyrin) (Co2FTF4)
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTMultilayer activity and implications of hydrogen peroxide in the catalytic reduction of dioxygen by a dicobalt cofacial bis(porphyrin) (Co2FTF4)James P. Collman, Neil H. Hendricks, Charles R. Leidner, Emmanuel Ngameni, and Maurice L'HerCite this: Inorg. Chem. 1988, 27, 2, 38…
Room temperature photoassisted formation of hydrogen-molybdenum bronzes with an alcohol as a hydrogen source
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTRoom temperature photoassisted formation of hydrogen-molybdenum bronzes with an alcohol as a hydrogen sourcePierre Pichat, Hoang Van Can, and Can Hoang VanCite this: J. Phys. Chem. 1988, 92, 2, 467–470Publication Date (Print):January 1, 1988Publication History Published onli…
Stereochemical and redox properties of palladium complexes of 1,4,10,13-tetrathia-7,16-diazacyclo-octadecane
The square planar S4 donor complex [Pd(L1)]2+(L1= 7,16-dimethyl-1,4,10,13-tetrathia-7,16-diazacyclo-octadecane) shows a reversible PdII/I redox couple at E½–0.74 V vs. Fc/Fc+; in contrast, the complex [Pd(L2)]2+(L2= 1,4,10,13-tetrathia-7,16-diazacyclo-octadecane) shows distorted octahedral N2S2+ S2 co-ordination, and…
The constrained blister test for the energy of interfacial adhesion
The constrained blister test (CBT) was designed to measure the energy of interfacial adhesion ( y) of polymeric films and coatings. Theoretical analysis of the CBT established a relationship between blister growth and interfacial parameters of the form A(t) A(t0)=exp[βp2h ph-γ (t- t0)] where A(t) is the blister area a…
The role of small amounts of P2O5 in the structure of alkali disilicate glasses
L'etude des relations composition structure est menee par spectrometrie RMN avec rotation de l'echantillon selon l'angle magique. L'etude porte sur les trois systemes suivants: Li 2 O−SiO 2 −P 2 O 5 ; K 2 O−SiO 2 −P 2 O 5 et Na 2 O-SiO 2 -P 2 O 5
Preparation and properties of stannous fluorophosphate glasses
Etude du systeme SnF 2 −P 2 O 5 . On etudie le mecanisme de la fonte du verre, la structure du systeme en fonction de la composition, la dilatatation thermique, la densite, la durete et la stabilite chimique