ZfN: Search Results

1	Author	R.R G Upta, M. Kum, Rakesh Kumar	Requires cookie*
	Title	Studies on Diamagnetic Susceptibility of Biologically Active Heterocycles, Part 2 Diamagnetic Susceptibilities of 4H-l,4-Benzothiazines and their Sulfones
	Reference	(Z. Naturforsch. 41b, 110 [1986]; received July 11 1985)
	Published	1986
	Keywords	4H -l, 4-B enzothiazines, Sulfones, Heterocycles, Diamagnetic Susceptibility
	Similar Items	Find
	DEBUG INFO
	TEI-XML for	default:Reihe_B/41/ZNB-1986-41b-0110.pdf
	Identifier	ZNB-1986-41b-0110
	Volume	41

2	Author	A. Scharkowski, H. Schmiedel, R. Stannarius, E. Weißhuhn	Requires cookie*
	Title	Elastic Constants of Nematic Phenylpyrimidines Determined by Two Different Methods
	Abstract	A survey of various methods to measure the elastic constants K, of nematic liquid crystals is given. To determine K 3 and the anisotropy of the diamagnetic susceptibility Ax of two members of the 5n-hexyl-2-[4n-alkyloxy-phenyl]-pyrimidines and a mixture of both, we used a combined electro-magneto-optical method, consisting in independent measurements of the optical phase difference in electric and magnetic fields acting on the same cell. The temperature dependence of the K r and K 3 -values for these phenylpyrimidines can be explained by common theories. The Ax data show the same temperature dependence as the values of the orientational order parameter S obtained by 'H-NMR.
	Reference	Z. Naturforsch. 45a, 37—42 (1990); received June 23 1989
	Published	1990
	Keywords	Nematic liquid crystals, elastic constants, diamagnetic susceptibility, electro-optic, magneto-optic
	Similar Items	Find
	DEBUG INFO
	TEI-XML for	default:Reihe_A/45/ZNA-1990-45a-0037.pdf
	Identifier	ZNA-1990-45a-0037
	Volume	45