QUANTIZED CONDUCTANCE ELEMENT, MAGNETIC VARIATION SENSING METHOD AND MAGNETISM SENSING METHOD USING THE SAME, AND CONDUCTANCE ELEMENT MANUFACTURING METHOD

摘要

PROBLEM TO BE SOLVED: To provide a quantized conductance element capable of properly sensing feeble magnetic variations and continuously with high sensitivity, especially very weak magnetism which is retained by nanoscale magnetic cells as formed in a terabit-level magnetic recording medium; to provide a magnetic variation sensing method and a magnetism sensing method which uses the same; and to provide a quantized conductance element manufacturing method.;SOLUTION: A frist electrode (11) coated by an ion conducting layer (13) and a second electrode (12) are located close to each other. At the location where the two are arranged close to each other, they are conductively connected with each other through a macroscale linking section (15) so formed on the first electrode (11) as to penetrate the ion-conducting layer (13), and then through a metal nanoscale link (14), which is formed in between the exposed surface of the macroscale linking section (15) and the second electrode (12) and presents a quantized conductance. The magnetic variation sensing method and the magnetism sensing method employ the quantized conductance element, and the manufacturing method manufactures the quantized conductance element.;COPYRIGHT: (C)2006,JPO&NCIPI