Organic molecular memory

摘要

An organic molecular memory in an embodiment includes a first conducive layer, a second conductive layer, and an organic molecular layer provided between the first conductive layer and the second conductive layer, the organic molecular layer having an organic molecule, the organic molecule having a linker group bonded to the first conductive layer, a π conjugated chain bonded to the linker group, and a phenyl group bonded to the π conjugated chain opposite to the linker group and facing the second conductive layer, the π conjugated chain including electron-accepting groups or electron-donating groups arranged in line asymmetry with respect to a bonding direction of the π conjugate chain, the phenyl group having substituents R0, R1, R2, R3, and R4 as shown in the following formula, the substituent R0 being an electron-accepting group or an electron-donating group.;

主权项

1. An organic molecular memory, comprising:
a first conducive layer; a second conductive layer; and an organic molecular layer between the first conductive layer and the second conductive layer, the organic molecular layer having an organic molecule, the organic molecule having a linker group bonded to the first conductive layer, a π conjugated chain bonded to the linker group, and a phenyl group bonded to the π conjugated chain opposite to the linker group and facing the second conductive layer, the π conjugated chain having single bonds and double bonds or triple bonds bonded alternately, a carbon number of the π conjugated chain being larger than twelve and not larger than forty six, wherein the organic molecule is expressed by following formula (1) or formula (2), the linker group is expressed by L, at least one of D1 and D2 is electron-accepting group or electron-donating group, the phenyl group has substituents R0, R1, R2, R3, and R4, the substituent R0 is an electron-accepting group or an electron-donating group, 1 and n are integers equal to or larger than zero, m is an integer larger than zero, and 1+m+n is equal to or larger than two and less than six