Organic molecular memory

Abstract

An organic molecular memory of an embodiment includes a first conductive layer, a second conductive layer, and an organic molecular layer interposed between the first conductive layer and the second conductive layer, the organic molecular layer including charge-storage molecular chains or variable-resistance molecular chains, the charge-storage molecular chains or the variable-resistance molecular chains including fused polycyclic groups.

What is claimed is: 
     
         1 . An organic molecular memory comprising:
 a first conductive layer;   a second conductive layer; and   an organic molecular layer interposed between the first conductive layer and the second conductive layer, the organic molecular layer including a first molecule having a variable-resistance molecular chain with a fused polycyclic group.   
     
     
         2 . The memory according to  claim 1 , wherein the organic molecular layer includes a second organic molecule having a variable-resistance molecular chain without a fused polycyclic group. 
     
     
         3 . The memory according to  claim 2 , wherein the variable-resistance molecular chain of the first organic molecule and the variable-resistance molecular chain of the second organic molecule have same carbon skeleton. 
     
     
         4 . The memory according to  claim 1 , wherein relative permittivity of the organic molecular layer is 5.5 or higher. 
     
     
         5 . The memory according to  claim 1 , wherein an electron-withdrawing substituent bonds to the fused polycyclic group. 
     
     
         6 . The memory according to  claim 1 , wherein the fused polycyclic group is anthracene. 
     
     
         7 . The memory according to  claim 5 , wherein the electron-withdrawing substituent is a fluorine atom, a chlorine atom, or a cyano group. 
     
     
         8 . The memory according to  claim 1 , wherein
 the first conductive layer and the second conductive layer are electrode interconnects intersecting with each other, and   the organic molecular layer is located at an intersection portion between the first conductive layer and the second conductive layer.