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Method and system for providing spin transfer based logic devices

A technology of logic devices and sensors, applied in logic circuits using specific components, logic circuits using magnetic saturation devices, logic circuits with logic functions, etc., can solve problems such as logic gates that cannot be easily

Inactive Publication Date: 2014-02-12
SAMSUNG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, conventional magnetic switches 10 cannot be readily used to produce other logic gates with desired characteristics

Method used

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  • Method and system for providing spin transfer based logic devices
  • Method and system for providing spin transfer based logic devices
  • Method and system for providing spin transfer based logic devices

Examples

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Embodiment Construction

[0020] Exemplary embodiments relate to logic elements based on magnetic elements switched using spin transfer torque. The following description is given to enable one of ordinary skill in the art to make and use the invention, and is provided in the context of a patent application and its requirements. Various modifications to the exemplary embodiments, and the general principles and features described herein, will be readily apparent. The exemplary embodiments are described primarily in terms of particular methods and systems provided in particular implementations. However, the methods and systems will operate effectively in other implementations. Terms such as "exemplary embodiment," "one embodiment," and "another embodiment" can refer to the same or different embodiments and multiple embodiments. Embodiments will be described in relation to systems and / or devices having particular components. However, the system and / or device may include more or fewer components than sho...

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Abstract

The invention provides a method and a system for providing a spin transfer based logic device. The logic device described includes a magnetic input / channel area, a magnetic sensor area, and a sensor coupled to the magnetic sensor area. Each magnetic input / channel area is magnetically biased in the first direction. The magnetic sensor area is magnetically biased in the second direction different from the first direction to make a domain wall in the magnetic input / channel area, if the logic device is in a static state. The sensor outputs signals based on the magnetic state of the magnetic sensor area. The magnetic input / channel area and the magnetic sensor area are configured to make the domain wall respond to the logic signals provided to the magnetic input area to move into the magnetic sensor area. The magnetic input / channel area includes FexCoyNizM1q1M2q2, wherein x+y+z+q1+q2=1, x, y, z, q1, q2 are at least zero, and M1 and M2 are non-magnetic.

Description

technical field [0001] The present invention relates to logic devices and methods of providing logic devices. Background technique [0002] Logic gates are used to perform various logical operations, most notably AND (AND), OR (OR), NAND (NAND), and NOR (NOR). Generally, a single logic gate is composed of several elements that together provide logic operations. For example, an AND gate includes elements that together provide an AND operation. Furthermore, logic devices are expected to have different characteristics. For example, logic devices are generally expected to be connectable and non-linear. A logic device is connectable if the output of the logic device can provide the input to another logic device. Nonlinearity corresponds to the reaction of a logic device with two states according to an input. Logic devices may thus allow the digitization of analog information. Furthermore, logic devices are expected to be feedback-free. Therefore, the output of a logic devi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H03K19/20H03K19/16H10N50/10
CPCG11C11/161
Inventor D.阿帕尔科夫D.德鲁伊斯特
Owner SAMSUNG ELECTRONICS CO LTD
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