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Infrared Absorption Spectra of Urea, Thiourea, and Some Thiourea-Alkali Halide Complexes

James E. Stewart1957-02-01The Journal of Chemical Physics

The infrared absorption spectra of urea, thiourea, and thiourea complexes with cesium bromide, potassium iodide, potassium bromide, sodium bromide, and sodium iodide have been observed from 2 to 40 μ, except for the sodium iodide complex which was studied between 2 and 15 μ. The vibrations of urea and thiourea are ass…

Advanced Chemical Sensor TechnologiesSolid-state spectroscopy and crystallography

X-Ray and Neutron Diffraction Study of Antiferroelectric Lead Zirconate, PbZrO3

F. Jona、G. Shirane、F. Mazzi 等 4 位作者1957-02-01Physical Review

The room-temperature structure of antiferroelectric lead zirconate, PbZr${\mathrm{O}}_{3}$, has been studied by x-ray and neutron diffraction. The symmetry is orthorhombic (pseudotetragonal) with lattice parameters $a=5.88$ A, $b=11.77$ A, $c=8.22$ A. The space group is $\mathrm{Pba}2$ and there are 8 formula units in…

Ferroelectric and Piezoelectric MaterialsGlass properties and applicationsSolid-state spectroscopy and crystallography

Bibliography

Equipo Editorial1957-02-01Materiales de Construccion