scholarly journals Генерация терагерцевого излучения в магнитных переходах на основе нанопроволок

Author(s):  
Ю.В. Гуляев ◽  
С.Г. Чигарев ◽  
А.И. Панас ◽  
Е.А. Вилков ◽  
Н.А. Максимов ◽  
...  

AbstractA system of spin-injection emitters employing magnetic junctions based on an array of parallel nanodimensional wires has been studied. Manufacturing technology and possible variants of the nanowire structure are discussed. Conditions of the formation of a new type of spin-injection emitters of terahertz radiation on this basis are considered. The design of the experimental setup is described, and the results of experiments are analyzed. It is established that signals in a 16–18 THz range can be generated by passing high-density current through the proposed nanowire array.

Author(s):  
Xiuwei Sun ◽  
Shumei Liu ◽  
Qingyin Wu ◽  
Shan Zhang ◽  
Hong-Rui Tian ◽  
...  

Polyethyleneimine (PEI) is expected to become a new type of proton conduction booster due to its high density amine and extremely high flexibility. Herein, a nanofiber membrane (eHPW-PEI) composed of...


2011 ◽  
Vol 10 ◽  
pp. 33-37 ◽  
Author(s):  
Ludovic Dupré ◽  
Denis Buttard ◽  
Pascal Gentile ◽  
Nicolas Pauc ◽  
Amit Solanki

SPIN ◽  
2014 ◽  
Vol 04 (02) ◽  
pp. 1440013 ◽  
Author(s):  
XIAO-RONG LV ◽  
SHI-HENG LIANG ◽  
LING-LING TAO ◽  
XIU-FENG HAN

Organic spintronics, extended the conventional spintronics with metals, oxides and semiconductors, has opened new routes to explore the important process of spin-injection, transport, manipulation and detection, holding significant promise of revolutionizing future spintronic applications in high density information storage, multi-functional devices, seamless integration, and quantum computing. Here we survey this fascinating field from some new viewpoints on research hotspots and emerging trends. The main achievements and challenges arising from spin injection and transport, in organic materials are highlighted, as well as prospects of novel organic spintronic devices are also emphasized.


2021 ◽  
Author(s):  
◽  
Kira Pitman

<p>In this thesis, the first steps in creating a realisable spin-injection transistor using ferromagnetic semiconductor electrodes are detailed. A spin-injection device utilising the ferromagnetic semiconductor gadolinium nitride has been designed, fabricated and electrically tested. In addition, an experimental setup for future measurements of a spin current in spin-injection devices was adapted to our laboratory-based off one developed by the Shiraishi group at Kyoto University. Issues encountered during fabrication were identified, and an optimal method for fabricating these devices was determined. Gadolinium nitride and copper were used to make the devices on Si/SiO2 substrates.  The electrical integrity and applicability of the devices for future measurements of injected spin-current was determined through electrical device testing. Resistance measurements of electrical pathways within the device were undertaken to determine the successful deposition of the gadolinium nitride and copper. IV measurements to determine if the devices could withstand the current required for spin current measurements were done. The durability of the devices through multiple measurement types was observed. It was determined that although spin-injection devices utilising gadolinium nitride can be successfully fabricated, more work needs to be done to ensure that the electrical pathways through the copper and gadolinium nitride can be consistently reproducible to allow spin-injection measurements to be done.</p>


2016 ◽  
Vol 58 (5) ◽  
pp. 946-951 ◽  
Author(s):  
N. I. Nurgazizov ◽  
D. A. Bizyaev ◽  
A. A. Bukharaev

2004 ◽  
Vol 834 ◽  
Author(s):  
Akiyoshi Itoh

ABSTRACTIn this report, the newly developed three-dimensional magneto-optical (MO) recording scheme and the experimental results are reported. A part of this work has been done as the national project of 3D-MO (3-dimensional MO) project. It started at September 1998 and ended March 2002 as a part of the national project “Nanometer-Scale Optical High Density Disk Storage System” and aimed at achieving 100 Gb/in2 in storage density. Three-dimensional MO recording is one of the prosperous candidates of next generation ultra high density recording. Magnetic amplifying MO system (MAMMOS) is employed for achieving the novel three-dimensional MO recording. Double-MAMMOS scheme consists of 2-recording layers of differing compensation temperature (Tcomp ) and one readout layer was proposed and discussed.With write/read test it is succeeded to show the results corresponding to a 100 Gb/in2 (50 Gb/in2 × 2) recording density. We also proposed and showed results of simulations of a new type of Double-MAMMOS in which the recording layers can hold quadri-valued information by single writing process.


2018 ◽  
Vol 10 (15) ◽  
pp. 1680-1684 ◽  
Author(s):  
Xinglu Dai ◽  
Wenqing Deng ◽  
Chao You ◽  
Zhen Shen ◽  
Xiaoli Xiong ◽  
...  

In this communication, we report a new type of nickel cobalt nitride hybrid nanowire array in situ grown on a Ti plate (Ni3N–Co3N NW/Ti) topotactically converted from Ni–Co hydroxide as a high-active catalyst electrode for glucose electrooxidation in alkaline media.


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