Materials Literature
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Electrostriction, the mechanical strain x resulting from electric polarization P, is a second order effect: x = QP 2. In this paper, the phenomenological and physical origins of the Q coefficients are discussed from a qualitative point of view. As pointed out by von Hippel, the mechanisms of electric polarization are…
Compact, readily-programmable formulas are given for the vibrational dynamic dipole polarizability (αv) and hyperpolarizabilities (β v and γv) for polyatomic molecules. They are based on perturbation theory and should replace those presented by us previously.
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTBlocked photochromism of diarylethenesMasahiro Irie, Osamu Miyatake, and Kingo UchidaCite this: J. Am. Chem. Soc. 1992, 114, 22, 8715–8716Publication Date (Print):October 1, 1992Publication History Published online1 May 2002Published inissue 1 October 1992https://pubs.acs.or…
The polarization behavior of La-modified lead zirconate titanate relaxors has been investigated for various electrical and thermal histories. The field-cooled and zero-field-cooled behaviors were both studied. The magnitude of both polarizations were found to be equal above a critical temperature. A macroscopic polari…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSolubility of C60 in organic solventsN. Sivaraman, R. Dhamodaran, I. Kaliappan, T. G. Srinivasan, P. R. Vasudeva Rao, and C. K. MathewsCite this: J. Org. Chem. 1992, 57, 22, 6077–6079Publication Date (Print):October 1, 1992Publication History Published online1 May 2002Publis…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTMorphological alterations during texture-producing plastic plane strain compression of high-density polyethyleneA. Galeski, Z. Bartczak, A. S. Argon, and R. E. CohenCite this: Macromolecules 1992, 25, 21, 5705–5718Publication Date (Print):October 1, 1992Publication History P…
Using light and electron microscopy, we investigated the in vivo distribution of liposomes sterically stabilized by specific lipids which prolong their circulation in blood. Tissue distribution of sterically stabilized liposomes composed of distearoyl phosphatidylcholine:cholesterol:monosialoganglioside GM1 (10:5:1)-e…
Machine learning (ML) is transforming all areas of science. The complex and time-consuming calculations in molecular simulations are particularly suitable for an ML revolution and have already been profoundly affected by the application of existing ML ...Read More
We report the infrared and optical reflectance spectrum of semiconducting N-dimethyl thiomorpholinium (tetracyanoquinodimethane${)}_{2}$ at temperatures above and below the structural phase transition. Polarized measurements were made on several faces of large single crystal samples. For polarization close to the tetr…
Abstract For the purpose of developing a simple and quantitative description of the rate of reactions occurring in the Thermal DeNO x process, the kinetics of the homogeneous reaction between NO and NH 3 with excess of O 2 has been studied in an isothermal plug flow reactor. Temperature windows of NO reduction were ob…
In this work Fourier transform infrared spectroscopy was used to analyze samples of the passivating film produced on the anode during phenol electrolysis. Work by other researchers with p‐tertbutyl‐phenol was extended to the acidic region where the main product was found to be a 1,2,4 substituted ether‐linked polymer.…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTOrigins of the double emission of the tetranuclear copper(I) cluster Cu4I4(pyridine)4: an ab initio studyMarcello Vitale, William E. Palke, and Peter C. FordCite this: J. Phys. Chem. 1992, 96, 21, 8329–8336Publication Date (Print):October 1, 1992Publication History Published…
Coatings of refractive index that vary between 1.22 and 1.44 were prepared from combinations of a colloidal silica suspension and a polysiloxane solution. The polysiloxane acted both as a binder and a filler for the colloidal silica particles. Increasing ratios gave coatings of lower porosity, hence higher refractive…
An approach using two spin-orbit (s.o.) coupling parameters for the g factors and the zero-field splitting of $^{4}$${\mathit{A}}_{2}$(${\mathit{t}}_{2}^{3}$) and $^{2}$E(${\mathit{t}}_{2}^{3}$) terms of ${\mathrm{Cr}}^{3+}$ clusters with trigonal symmetry is presented. The theory is applied to ${\mathrm{Cr}}^{3+}$ in…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTStereocomplex formation between enantiomeric poly(lactic acid)s. 6. Binary blends from copolymersHideto Tsuji and Yoshito IkadaCite this: Macromolecules 1992, 25, 21, 5719–5723Publication Date (Print):October 1, 1992Publication History Published online1 May 2002Published ini…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTNMR study of solution structures and dynamics of lanthanide(III) complexes of DOTASilvio Aime, Mauro Botta, and Giuseppe ErmondiCite this: Inorg. Chem. 1992, 31, 21, 4291–4299Publication Date (Print):October 1, 1992Publication History Published online1 May 2002Published inis…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTPolyelectrolyte adsorption: a subtle balance of forcesHenrica G. M. Van de Steeg, Martinus A. Cohen Stuart, Arie De Keizer, and Bert H. BijsterboschCite this: Langmuir 1992, 8, 10, 2538–2546Publication Date (Print):October 1, 1992Publication History Published online1 May 200…
Machine learning (ML) is transforming all areas of science. The complex and time-consuming calculations in molecular simulations are particularly suitable for an ML revolution and have already been profoundly affected by the application of existing ML ...Read More
The deviation from Cure-Weiss behavior has been investigated in lead magnesium niobate relaxor ferroelectrics. At high temperatures, the susceptibility was found to follow the Curie-Weiss relationship. A Curie constant and temperature of 1.2\ifmmode\times\else\texttimes\fi{}${10}^{5}$ and 398 K, respectively, were obt…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTHyperbranched polyphenylenesYoung H. Kim and Owen W. WebsterCite this: Macromolecules 1992, 25, 21, 5561–5572Publication Date (Print):October 1, 1992Publication History Published online1 May 2002Published inissue 1 October 1992https://pubs.acs.org/doi/10.1021/ma00047a001http…