Patent ID: 8325509
Filing Date: 2012-12-04
Classification: B82Y,G11C,H01L

Abstract:
1. A memory device, comprising: a storage material, a first electrode connected to the storage material, and a second electrode associated to the storage material, wherein the storage material is (A), (B), (C), (D), (E), (F), (G), (H), (I), (J), (K) or (L): (A) a material exhibiting a change of conductivity upon application of an electric current, comprising an electron poor molecule having a formula selected from the group consisting of (A1) and (A2): wherein R, R 1 , R 2 , R 3 , R 4 , R 5 and R 6 are each independently selected from the group consisting of C═O, COOH, F, Cl, Br, I, CN, NO 2 , NR 3 + , O—Ar, COOR, OR, COR, SH, SR, CONH 2 , CONHR, CONR 2 , CHO, OH, SO 2 R, SO 2 OR, NO, C═CR, and Ar; wherein M is a transition metal, X and Y are each independently an electron withdrawing group selected from the group consisting of C═O, COOH, F, Cl, Br, I, CN, NO 2 , NR 3 + , N═C, O—Ar, COOR, OR, COR, SH, SR, CONH 2 , CONHR, CONR 2 , CHO, C═N, OH, SO 2 R, SO 2 OR, NO, C═CR, and Ar, R 1 and R 2 are each independently aromatic or allilylic, and a and b are integers; (B) a material exhibiting a change of conductivity upon application of an electric current comprising an electron poor molecule having a formula selected from the group consisting of (B1), (B2), (B3), (B4), (B5) and (B6): (C) a material exhibiting a change of conductivity upon application of an electric current, comprising a Redox-addressable molecule having a formula of (C1): wherein R 1 , R 2 , R 3 and R 4 are each independently aryl or alkyl, and X − is an anion; (D) a material exhibiting a change of conductivity upon application of an electric current, comprising a Redox-addressable molecule having a formula selected from the group consisting of (D1), (D2), (D3), (D4), (D5), (D6), (D7), (D8) and (D9): (E) a material comprising a component that undergoes a charge transfer in response to an application of an electric field or undergoes a charge transfer with a connected electrode in response to an application of an electric field, and comprising an electron donor molecule having a formula selected from the group consisting of (E1), (E2) and (E3): (F) a material comprising a component that undergoes a charge transfer in response to an application of an electric field or undergoes a charge transfer with a connected electrode in response to an application of an electric field, and comprises an electron acceptor molecule selected from the group consisting of C60 fullerene, C61 fullerene, a fullerene derivative, a semiconductor nanodot, an electron poor transition metal complex, CdSe and platinum octaethyl porphine; (G) a material comprising a component that undergoes a charge transfer in response to an application of an electric field or undergoes a charge transfer with a connected electrode in response to an application of an electric field, and comprises a molecule having a formula selected from the group consisting of (G1) and (G2): wherein R4 and R5 are each independently selected from the group consisting of: R1 and R2 are each independently selected from the group consisting of a straight chain C 1-20 alkyl, a branched C 1-20 alkyl, an aryl, a substituted aryl, an alkylaryl, a substituted alkylaryl, an alkoxyaryl, a substituted alkoxyaryl, an aryloxyaryl, a substituted aryloxyaryl, a dialkylaminoaryl, a substituted dialkylaminoaryl, a diarylaminoaryl and a substituted diarylaminoaryl, R3 is selected from the group consisting of a straight chain C 1-20 alkyl, a branched C 1-20 alkyl, an aryl, a substituted aryl, an alkylaryl and a substituted alkylaryl, and R6 and R7 are independently at each occurrence selected from the group consisting of a straight chain C 1-20 alkyl, a branched chain C 1-20 alkyl, an aryl, a substituted aryl, an alkylaryl, a substituted alkylaryl, and —(CH 2 ) q —(O—CH 2 —CH 2 ) r —O—CH 3 , q is greater than or equal to 1, and less than or equal to 10, r is greater than or equal to 0, and less than or equal to 20, L and M are independently at each occurrence selected from the group consisting of thiophene, a substituted thiophene, phenyl, a substituted phenyl, phenanthrene, a substituted phenanthrene, anthracene, a substituted anthracene, an aromatic monomer that can be synthesized as a dibromo-substituted monomer, benzothiadiazole, a substituted benzothiadiazole, perylene and a substituted perylene, a sum of m, n and o is less than 10, and each of m, n and o is independently selected from a range of 1 to 1,000, p is in a range of 0 to 15, and wherein s is in a range of 0 to 15, with the proviso that, if R4 is H, R5 is not H, and if R5 is H, R4 is not H, wherein L, R 4 , R 5 , R 6 and R 7 are defined as for (G1); (H) a material comprising a component that undergoes a charge transfer in response to an application of an electric field or undergoes a charge transfer with a connected electrode in response to an application of an electric field, and comprises a molecule having a formula selected from the group consisting of (H1), (H2), (H3), (H4), (H5) and (H6): (I) a material exhibiting a change of polarization upon application of an electrical current, comprising at least one selected from the group consisting of a fluoropolymer, a cycloolefin, a polyamide, a polyimide, a polyester, polystyrene, polymethyl methacrylate, polypropylene, polysulfone, polyethylene, polyvinyl chloride and polyurethane; (J) a material exhibiting a change of polarization upon application of an electrical current, which is an isolating dielectric material sustaining a quasi-permanent external electric field when polarized by uncompensated monopolar charges or aligned polar charges; (K) a material exhibiting a change of polarization upon application of an electrical current, which is one selected from the group consisting of a blend of an organic electret with an acceptor or donor molecule, a blend of an isolating dielectric material with a dipole molecule or dipole complex and a molecule with an intra-molecular dipole; (L) a material exhibiting a change of polarization upon application of an electric field, which is N,N′-Diphenyl-N,N′-bis(4′-(N,N-bis(naphtha-1-yl)-amino)-biphenyl-4-yl)benzidine with 5 wt % of fullerene C61.