LOGIC CIRCUIT BASED ON SPIN VALVES OF THE SPIN-POLARIZED SUPERCURRENT TYPE AND CIRCUIT INTEGRATING SUCH LOGIC GATES

摘要

This circuit (100) includes: an intermediate layer (103), made from a conductive material and configured according to a pattern; a first electrode and a plurality of electrodes, which includes at least second and third electrodes (126, 127, 128), each electrode including: A polarizer, made from a ferromagnetic material, placed at a particular point of the pattern of the intermediate layer, and having a magnetization; A superconducting layer, made of a superconducting material, arranged on the polarizer; and a control means (112) able to modify the magnetization of the polarizer of the second electrode; another control means (122) able to modify the magnetization of the polarizer of the third electrode; bias terminals for applying a bias signal; and, terminals for measuring an output signal, a level of the output signal being correlated with a mutual orientation of the first, second and third magnetizations.

主权项

1. A logic circuit including:
an intermediate layer, made from an electric current conducting material and configured according to a pattern; a first electrode and a plurality of electrodes, said plurality of electrodes including at least second and third electrodes;each electrode including:
A polarizer, made from a ferromagnetic material, placed at a particular point of the pattern of the intermediate layer, and having a magnetization, A superconducting layer, made from a superconducting material, arranged on a surface of the polarizer opposite a surface of the polarizer in contact with the intermediate layer; at least one control means modifying the magnetization of the polarizer of an electrode among the second and third electrodes; at least one other control means modifying the magnetization of the polarizer of the other electrode among the second and third electrodes;the first and second electrodes on the one hand, and the first and third electrodes on the other hand, making up two spin valves of a spin-polarized supercurrent type,
bias terminals applying a bias signal; and measuring terminals measuring an output signal,a level of the output signal being correlated with a mutual orientation of the first, second and third magnetizations.