Search query: Spintronics A Spin-Based Electronics

Related papers:

abstract: This review describes a new paradigm of electronics based on the spin degree of freedom of the electron. Either adding the spin degree of freedom to conventional charge based electronic devices or using the spin alone has the potential advantages of nonvolatility, increased data processing speed, decreased electric power consumption, and increased integration densities compared with conventional semiconductor devices. To successfully incorporate spins into existing semiconductor technology, one has to resolve technical issues such as efficient injection, transport, control and manipulation, and detection of spin polarization as well as spin polarized currents. Recent advances in new materials engineering hold the promise of realizing spintronic devices in the near future. We review the current state of the spin based devices, efforts in new materials fabrication, issues in spin transport, and optical spin manipulation.
author_names: Stuart A Wolf

David D Awschalom

Robert A Buhrman

J M Daughton

Stephan von Molnar

Michael L Roukes

Almadena Yu Chtchelkanova

Daryl M Treger
title: Spintronics: A Spin Based Electronics Vision for the Future
venue: Science
year: 2001

author_names: Almadena Yu Chtchelkanova

Stuart A Wolf

Daryl M Treger
title: Spintronics Spin Based Electronics
year: 2002

abstract: Abstract Fundamental limitation of current charge based electronics technology is imminent as the technology progresses ever faster than before. Spin based electronics or spintronics, which is a new field of electronics utilizing additional spin degree of freedom, is one of many technology options to fundamentally solve the limitation of current electronics. In this paper, current programs and accomplishments of spintronics research in Korea are briefly reviewed. In particular, research accomplishments achieved at KIST are described.
author_names: S H Lim

Suk Hee Han

K H Shin
title: Spin based electronics and its activities and progress
year: 2006

author_names: William A Goddard

Donald W Brenner

Sergey Edward Lyshevski

G J Iafrate
title: Spintronics Spin Based Electronics
year: 2002

abstract: Organic semiconductors are studied intensively for applications in electronics and optics, and even spin based information technology, or spintronics. Fundamental quantities in spintronics are the population relaxation time (T1) and the phase memory time (T2) T1 measures the lifetime of a classical bit, in this case embodied by a spin oriented either parallel or antiparallel to an external magnetic field, and T2 measures the corresponding lifetime of a quantum bit, encoded in the phase of the quantum state. Here we establish that these times are surprisingly long for a common, low cost and chemically modifiable organic semiconductor, the blue pigment copper phthalocyanine, in easily processed thin film form of the type used for device fabrication. At 5 K, a temperature reachable using inexpensive closed cycle refrigerators, T1 and T2 are respectively 59 ms and 2.6 ms, and at 80 K, which is just above the boiling point of liquid nitrogen, they are respectively 10 ms and 1 ms, demonstrating that the performance of thin film copper phthalocyanine is superior to that of single molecule magnets over the same temperature range. T2 is more than two orders of magnitude greater than the duration of the spin manipulation pulses, which suggests that copper phthalocyanine holds promise for quantum information processing, and the long T1 indicates possibilities for medium term storage of classical bits in all organic devices on plastic substrates.
author_names: Marc Warner

Salahud Din

Igor S Tupitsyn

Gavin W Morley

A M Stoneham

Jules A Gardener

Zhenlin Wu

Andrew J Fisher

Sandrine Heutz

Christopher W M Kay

Gabriel Aeppli
title: Potential for spin based information processing in a thin film molecular semiconductor
venue: Nature
year: 2013

abstract: In very near future human blood will be streaming with tiny nanorobots to get exact information about the infected cells or as intelligent drug delivery system and transmit the information to wireless cloud. Accordingly, low power and low dimensional electronics technology needs to be incorporated in a single agenda to show the path for development of these types of robots. Hence, the idea is to build low power, low dimensional nano robotic system which can be achieved by new generation ULSI hardware implementation. As an attempt towards this, here we present a straintronics based nano robotic system and its ULSI architecture. Straintronics or strain based spin electronics is an emerging field of IC fabrication technology for modern and future electronics. In straintronics data manipulate, control and store with spin degree of freedom. Electron spin instead of electron charge carries information in these devices. Hence, it requires very low power to operate and also the device can generate its own power from any stress upon it. This aspect offers opportunities for development of new generation of nano robotic devices with spin based electronics.
author_names: Sampreet Sarkar

Syed Intekhab Alam

Varun Ravindran

Arpan Banerjee

Arghya Debnath

Ankush Ghosh
title: Spintronics based Systems for AI Nano Robots
venue: 2018 International Conference on Computing, Power and Communication Technologies (GUCON)
year: 2018

abstract: Recent results in magnonics a topical and rapidly developing branch of spintronics and magnetoelectronics are presented. The paper describes measurement techniques and theoretical approaches used to explore physical processes associated with the spin wave propagation in complex nano and micro dimensional magnetic structures. The results of the application of magnetic structures in signal processing and transmission systems are discussed. In particular, results on spin wave propagation in distributed magnetic periodic structures, lumped systems, coupled waveguide structures, and controllable magnonic structures are considered. Specific examples of circuitry based on magnonic structures are discussed, and possibilities for further developing this circuitry are explored.
author_names: Sergey Nikitov

D V Kalyabin

Ivan Lisenkov

Andrei Slavin

Yu N Barabanenkov

Sergey Osokin

Alexandr V Sadovnikov

E N Beginin

Mariya A Morozova

Y Filimonov

Y V Khivintsev

S L Vysotsky

V K Sakharov

E S Pavlov
title: Magnonics: a new research area in spintronics and spin wave electronics
year: 2015

abstract: Advancement in molecular electronics opens up another new domain with a new possibility of realizing its spin polarized version, which is called molecular spintronics. This novel domain has a range of applications such as high capacity storage devices and quantum computers. Several contemporary researchers have considered porphyrin molecules and their derivatives as potential candidates for molecular devices. Herein, using the first principles calculations, we propose a porphyrin nanoribbon based system for spin filtering applications. Such a system shows robust half metallicity and also exhibits itinerant magnetism. Our calculated spin transport properties exhibit that our device can give 100% spin polarizing efficiency, which is very promising for next generation spin filtering applications.
author_names: Gargee Bhattacharyya

Rameshwar L Kumawat

Biswarup Pathak
title: Porphyrin nanoribbon based spin filtering devices.
venue: Physical chemistry chemical physics PCCP
year: 2020

abstract: Spin based electronics, or spintronics, seeks to utilize the electron degree of freedom in order to perform logic, computation, or information storage. Proximity based interactions between nearby systems (i.e. films, adsorbates, molecules) and candidate spintronic materials (i.e. GaAs, graphene) could lead to the realization of novel phenomena. Such effects, which rely on atomic orbital overlap, require highly controlled surfaces and interfaces which can be achieved using molecular beam epitaxy (MBE) Here, this dissertation examines the feasibility of integrating high quality single crystal ferromagnetic insulators with oxide interfaces, the semiconductor GaAs, and graphene. Graphene, a single atomic layer of sp 2 bonded carbon with conducting &pi orbitals that extend out of the plane, is highly surface sensitive and can be considered an ideal material for investigating novel spin based proximity related behavior. In particular, the interactions of functional oxides or adsorbates with graphene could lead to induced exchange splitting, magnetism, and spin orbit coupling. High quality crystalline deposition of the ferromagnetic insulator EuO is investigated with the primary focus of realizing high quality abrupt interfaces between the functional oxide and the spintronic material of choice. In this dissertation, stiochiometric EuO films are investigated on a wide variety of substrates including the spintronic relavent materials GaAs, 2 D planes of TiO2, and sp 2 bonded carbon. The integration of EuO on these materials is a key advance towards experimental observation of the exchange proximity effect.The atomic scale control over deposition provided by MBE allows for the investigation of submonolayer adsorbates (adatoms) and their interactions with graphene. In order to understand the effect of the adsorbates on spin based properties and phenomena, we have performed systematic in situ deposition of adatoms onto graphene non local spin valves. Atomic hydrogen induces magnetic moments in graphene that couple via exchange to the injected spin current. This coupling results in an exchange field which causes the spins to precess rapidly with an effectively enhanced electron g factor. These results demonstrate the power of molecular beam epitaxy in realizing novel graphene properties and functionality through careful control over the key interfaces and proximity materials.
author_names: Adrian G Swartz
title: Investigation of Spin Based Phenomena in Candidate Spintronic Materials by Molecular Beam Epitaxy
year: 2013

abstract: The electronic device industry is an age old industry. Several new electronic ICs evolved day by day with more and more components being cramped into smaller and smaller spaces. Presently, advanced VLSI and ULSI devices are made commercially available to the consumers. On the other hand, the micro electronics industry suffers from physical limitation as well as from technological limitation. Thereby, the search for new device principle cannot be avoided. In this regard Spintronics technology is vividly significant as it employs spin degree of freedom in quantum dot. Since the last decade Spintronics ushered numerous scope in device vicinity. Even though the hands of researchers are tied as there is no simulator for simulating Spintronics circuits and spin based logic devices. The authors now propose a MATLAB based tool which can be incorporated in SIMULINK for simulation of single spin logic devices. Here, GUI based approach is made to create spin environment to design dynamic part of simulation.
author_names: Jayanta Gope

B Kar

S Chowdhury Koly

R Shome

Sanjay Bhadra

Anirban Bhattacharyya

R Banerjee
title: MATLAB GUI based simulation framework for spintronics
venue: 2017 IEEE 8th Annual Ubiquitous Computing, Electronics and Mobile Communication Conference (UEMCON)
year: 2017