CRYSTAL-FIELD EFFECTS AND MAGNETIC INTERACTIONS IN AMORPHOUS Ce89Al11
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APPLICATIONS OF MAGNETIC AMORPHOUS ALLOYS
Device applications are divided into two general categories ; power devices such as distribution transformers and electronic devices such as miniature transformers and sensing elements. In the case of power devices the recent thrust has been towards developing alloys with maximum Ms at minimum cost since losses are no…
Koordinationschemische Untersuchungen an Zinkdialkylen. XV. Darstellung, Reinheit und Eigenschaften von Zinkdibenzylen
Abstract Nach Literaturangaben aus Zinkchlorid und Grignardverbindungen dargestellte Zinkdiaryle enthalten, bisher unbeachtet, beträchtliche Mengen an Magnesiumdiarylen. Die näheren Verhältnisse wurden im Zusammenhang mit der Synthese von Dibenzylzink‐Derivaten des Typs magnified image untersucht. – Von den erhaltenen…
Zur Struktur von Sr3B2O6
Abstract Sr 3 B 2 O 6 kristallisiert wie Ca 3 B 2 O 6 in der Raumgruppe R 3 c mit den Gitterkonstanten a 0 = 899,9 pm und c 0 = 1 248,7 pm, was anhand röntgenographischer Daten aus Pulveraufnahmen des Sr 3 B 2 O 6 und mit den Strukturdaten des Ca 3 B 2 O 6 gezeigt wird.
Polyparaxylylene electrets usable at high temperatures
Abstract Thin coatings of various polyparaxylylenes were transformed into electrets by corona charging them and then overcoating with more polyparaxylylene to protect the charge layer. For such electrets, the extrapolated ten‐year use temperature depended on the thermo‐oxidative stability of the polyparaxylylene layer…
Effect of Chemical Pretreatment on X-Ray Powder Diffraction Characteristics of Clay Minerals Derived from Volcanic Ash
Abstract The effects of NaOAc removal of carbonates, H 2 O 2 removal of organic materials, and sodium citrate-bicarbonate-dithionite (SCBD) removal of iron oxides upon the X-ray powder diffraction (XRD) characteristics of clay minerals present within weathered volcanic ash deposits were examined. All pretreatments of…
The temperature-electric field phase diagram of lead hafnate
The T, E-diagram of lead hafnate-PbHfO3 in the range of -180°C -+180°C has been established for the first time. It has been shown that besides the two previously known antiferroelectric phases in lead hafnate in a high electric field there are three more ferroelectric phases. which probably are isomorphous to the thre…
Effect of UV irradiation on evaporated ZnS films
Get PDF Email Share Share with Facebook Tweet This Post on reddit Share with LinkedIn Add to CiteULike Add to Mendeley Add to BibSonomy Get Citation Copy Citation Text G. Hass, J. B. Heaney, W. R. Hunter, and D. W. Angel, "Effect of UV irradiation on evaporated ZnS films," Appl. Opt. 19, 2480-2481 (1980) Export Citati…
Photochemical degradation of blends of polystyrene and poly(2,6 ‐dimethyl‐1,4‐phenylene oxide)
Abstract Blends of polystyrene and poly(2,6‐dimethyl‐1,4‐phenylene oxide) that cover the entire compositional range have been subjected to the action of singlet oxygen from microwave discharge, dye‐sensitized reaction, and photochemical oxidation. With the applied analytical technique, which consisted of infrared (IR)…
Phenomenological Theory of Successive Phase Transitions in Mixed Perovskite-Type Oxides
Successive phase transitions in the mixed crystal with perovskite structure (1-x)ABO3+xA′B′O3 are discussed on a phenomenological basis. After a short review on the experimental facts, a simple scheme is proposed to predict the phase diagrams of mixed crystals when the model parameters of constituent substances are kn…
Darstellung und Struktur der Verbindung CaCu4P2 / Preparation and Crystal Structure of CaCu4P2
Abstract of the system Ca-Cu-P resulted in the discovery of CaCu 4 P 2 . The compound crystallizes in a trigonal-rhombohedral structure (hexagonal axes: a = 403.6(1) pm, c = 2227.2(2) pm; space group R3̄m) which contains structural elements of the compound CU 3 P.
Study of Ferroelectric Phase Transitions in the Rochelle Salt with the Pseudo-Spin-Lattice Coupled Mode Model
Statistical Green's function theory has been successfully applied to study the ferroelectric phase transitions in the Rochelle Salt and its deuterated form with two sub-lattice pseudo-spin model containing spin-phonon interaction terms. The Blinc-de Gennes model parameters have been calculated for both of the salts. A…
Ab initio molecular orbital studies of polyethylene deformation
Abstract A molecular LCAO Hartree‐Fock procedure was used to calculate total energies of axially stretched normal paraffins containing up to nine carbon atoms. The results are used to model the mechanical properties of polyethylene.
Studies of molecular aggregation of a polybenzimidazole in solution by fluorescence spectroscopy
Abstract A purified, well characterized sample of polybenzimidazole (PBI) has been studied by fluorescence spectroscopy in order to obtain information concerning molecular aggregation in solution. Fluorescence and excitation spectra of PBI and a model compound have been measured in N , N ‐dimethylacetamide (DMA) and i…
Hydrothermal Alteration of a Serpentinite Near Takovo, Yugoslavia, to Chromium-Bearing Illite/Smectite, Kaolinite, Tosudite, and Halloysite
Abstract Hydrothermal alteration products of serpentinite near Takovo, Yugoslavia, were studied by X-ray powder diffraction and chemical analysis. A zone of mainly blue clays adjacent to the hydrothermal vein contains intimately associated chromium kaolinite and tosudite at higher hypsometric levels and chromium hallo…
The Phase Transition and the Structures of Superionic Conductor Ag3SBr
The ordered phase concerning the Ag distribution of a superionic conductor Ag 3 SBr was discovered below 128 K. The transition heat and the entropy change were measured to be 0.23 kcal/mol and 1.77 cal/mol·deg respectively. The transition is of the first order but is close to the second order one. The crystal structur…
Fuel Survey in the Light Water Reactors Based on the Activity of the Fission Products
For pressurized water reactor fuel, to correlate clad failure characterization and localization methods with primary cooling water gamma measurements, it was necessary to define the set of equations describing fission product (FP) generation and transport. Such a technique has been developed by the French Commissariat…
Cd2SnO4, CdIn2O4, and Cd2GeO4 as anodes for the photoelectrolysis of water
From their photoelectrolysis spectra we have determined the lowest band gaps of Cd2SnO4, CdIn2O4, and Cd2GeO4 to be 2.12 (indirect), 2.23 (forbidden), and 3.15 eV (indirect), respectively; their flat-band potentials are +0.18, +0.25, and −0.82 V (SCE), respectively. This combination of band gaps and flat-band potentia…
Rb6In2S6 und Rb4In2S5, zwei neue Thioindate mit isolierten und verknüpften [In2S6]6- Anionen / Rb6In2Se6 and Rb4ln2S5, Two NEW Thioindates with Isolated and Connected [In2S6]6- Anions Respectively
Abstract The hitherto unknown title compounds were prepared by a disproportionation reaction starting from elementary rubidium and indium monosulfide. Rb 4 ln 2 S 5 crystallizes in the triclinic system (P1̄) with the lattice constants a = 931.7(2); b = 1097.6(3);c = 761.2(2)pm; a = 111.32°(2); β = 94.70°(2); γ = 103.7…
Dynamic and cooperative Jahn-Teller distortions in copper pyridine N-oxide complexes, Cu(pyO)6X2 (X = tetrafluoroborate(1-), perchlorate(1-), and nitrate(1-): structural and EPR studies of pure and zinc-doped systems
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTDynamic and cooperative Jahn-Teller distortions in copper pyridine N-oxide complexes, Cu(pyO)6X2 (X = tetrafluoroborate(1-), perchlorate(1-), and nitrate(1-): structural and EPR studies of pure and zinc-doped systemsJ. S. Wood, C. P. Keijzers, E. De Boer, and A. ButtafavaCit…