Spin-transition parent compounds and devices having means for wr

Details Spin-transition parent compounds and devices having means for wr Spin-transition parent compounds and devices having means for wr

1995-02-03

2000-03-28

McPherson, John A.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

556138, 548101, C07F 1502

Patent

active

060430087

ABSTRACT:
A chemical composition is provided for the manufacture of devices for storing and/or displaying information, comprising a network having a molecule which is formed from a metallic element Fe.sub.(II) which is bonded to a 1-2-4 triazole ligand (H-Trz), which molecule further comprises one or more than one anions A selected from BF.sub.4.sup.-, ClO.sub.4.sup.-, CO.sub.3.sup.2-, Br.sup.-, Cl.sup.-, in accordance with the formulation:

REFERENCES:
patent: 4306014 (1981-12-01), Kunikane et al.
patent: 4415650 (1983-11-01), Kido et al.
patent: 5582900 (1996-12-01), Khan
English Language Translation of Lavrenova et al., "Spin Transitions in Coordination Compounds of Iron (II) with Triazoles", Soviet Journal of Coordination Chemistry, vol. 16, No. 5, pp. 654-661, May 1990.
Jay et al., "From Spin Transition to Display and Memory Devices", Mol. Cryst. Lig. Cryst. 1993 vol. 234 pp. 255-262.
"Spin Transition Molecular Systems: Towards Information Storage and Signal Processing" J. Zarembowitch et al, New Journal of Chemistry vol. 15, No. 2-3, 1991, p. 181-190.
"A Spin Transition System With a Thermal Hysteresis at Room Temperature", Journal of the American Chemical Society, vol. 115, No. 21, Oct. 1993, pp. 9810-9811.
"Spin Transition in Iron (II) Triazole Complexes", by Lavrenova et al, Chemical Abstracts, vol. 114, No. 4, Jan. 28, 1991, p. 738.
Chemical Abstracts 120:90593 "From Spin Transition to Display and Memory Devices", Jay et al. (1993).
Chemical Abstracts 114:34747 "Spin Transition in Iron (II) Triazole Complexes", Lavrenova et al. (1990).

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