Organic compounds -- part of the class 532-570 series – Organic compounds – Heavy metal containing
Patent
1988-07-22
1991-01-01
Shaver, Paul F.
Organic compounds -- part of the class 532-570 series
Organic compounds
Heavy metal containing
556 7, 556 13, 556 14, 556 16, 556 30, 4274343, 4284111, 428688, 428690, 428704, C07F 915, C07F 1500
Patent
active
049819844
ABSTRACT:
Langmuir Blodgett films are provided having second order molecular hyperpolarizability of at least 30.10.sup.-50 C.sup.3 m.sup.3 J.sup.-2. combined with chemical stability and a melting point of over 70.degree..
They also have desirable pyroelectric properties shown by a static pyroelectric coefficient of at least 0.0039 nCcm.sup.2 k.sup.-1. The films comprise compounds of the following formula: ##STR1## wherein M is ruthenium, iron or cobalt; R.sup.1 is cyclopentadienyl, methylcyclopentadienyl, pentamethylcyclopentadienyl or indenyl;
REFERENCES:
"On the History of Langmuir-Blodgett Films", by G. Gaines, Jr. Thin Solid Films 99 (1983), pp. 4-8.
1986 Proc. Int. Symp. on the Applications of Ferroelectric Materials, Philadelphia, by D. Neal et al.
J. Chem. Soc. (1), 1971, 2376, by T. Blackmore et al.
Davies Stephen G.
Polywka Mario E. C.
Richardson Timothy
Roberts Gareth G.
Shaver Paul F.
Thorn Emi plc
LandOfFree
Organic compounds does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Organic compounds, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Organic compounds will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1997597