Forum for Science, Industry and Business

Sponsored by:     3M 
Search our Site:

 

Magnons control magnons: Transistors for the next generation of computing

21.08.2014

A disturbance in the local magnetic order of a solid body can propagate across a material just like a wave. This wave is named spin wave and its quanta are known as magnons.

Physicists from the University of Kaiserslautern propose the usage of magnons to carry and process information instead of electrons as it is done in electronics.


The flow of magnons from the transistor’s Source to Drain (blue bubbles) is controlled by the magnons injected into the Gate (red bubbles)

This technology opens access to a new generation of computers in which data are processed without motion of any real particles like electrons.

This leads to a decrease of the accompanying heat loss and, consequently, to lower energy consumption. Moreover, unique magnon properties allow for the utilization of alternative computing concepts resulting in a drastic increase of speed and performance of modern processors.

In a study recently published in the prestigious scientific journal Nature Communications, the Kaiserslautern scientists have realized the transistor – the main component of any modern computer – solely based on Magnons.

The transistor was proposed for the first time and a proof of concept device was demonstrated. The density of magnons in this three-terminal device could be decreased one thousand times while flowing from the transistor's Source to its Drain via the injection of magnons in the Gate.

The interaction between magnon flows was so efficient due to a strong natural nonlinearity of magnons which was enhanced using an artificial magnetic material – the magnonic crystal.

The demonstrated “magnon controls magnon” approach will be used in future for the realization of a single-chip magnetic processor in which Terabytes of data will be processed purely within the same magnonic system.

The research team consisted of Dr. Andrii Chumak, Dr. Alexander Serga and Prof. Dr. Burkard Hillebrands from the State Research Center Optics and Material Sciences (OPTIMAS) funded by the State of Rhineland-Palatinate. Further funding was obtained through the Deutsche Forschungsgemeinschaft (Grant no. SE 1771/1-2) and EU-FET (Grant InSpin 612759).

For details of the study see:
Andrii V. Chumak, Alexander A. Serga, Burkard Hillebrands: Magnon transistor for all-magnon data processing, Nature Communications 2014 doi 10.1038/ncomms5700 (http://www.nature.com/naturecommunications).

Contact: Prof. Dr. Burkard Hillebrands, Tel.: 0631/205-4228, E-Mail: hilleb@physik.uni-kl.de

Legend:The schematic of magnon transistor. The flow of magnons from the transistor’s Source to Drain (blue bubbles) is controlled by the magnons injected into the Gate (red bubbles). The decrease or even the full stop of the Source-to-Drain magnon flow was realized experimentally (Copyright: Chumak, Serga, Hillebrands).

Weitere Informationen:

http://www.uni-kl.de

Thomas Jung | Technische Universität Kaiserslautern

Further reports about: Drain Nature artificial bubbles decrease electrons experimentally natural

More articles from Physics and Astronomy:

nachricht Structured light and nanomaterials open new ways to tailor light at the nanoscale
23.04.2018 | Academy of Finland

nachricht On the shape of the 'petal' for the dissipation curve
23.04.2018 | Lobachevsky University

All articles from Physics and Astronomy >>>

The most recent press releases about innovation >>>

Die letzten 5 Focus-News des innovations-reports im Überblick:

Im Focus: BAM@Hannover Messe: innovative 3D printing method for space flight

At the Hannover Messe 2018, the Bundesanstalt für Materialforschung und-prüfung (BAM) will show how, in the future, astronauts could produce their own tools or spare parts in zero gravity using 3D printing. This will reduce, weight and transport costs for space missions. Visitors can experience the innovative additive manufacturing process live at the fair.

Powder-based additive manufacturing in zero gravity is the name of the project in which a component is produced by applying metallic powder layers and then...

Im Focus: Molecules Brilliantly Illuminated

Physicists at the Laboratory for Attosecond Physics, which is jointly run by Ludwig-Maximilians-Universität and the Max Planck Institute of Quantum Optics, have developed a high-power laser system that generates ultrashort pulses of light covering a large share of the mid-infrared spectrum. The researchers envisage a wide range of applications for the technology – in the early diagnosis of cancer, for instance.

Molecules are the building blocks of life. Like all other organisms, we are made of them. They control our biorhythm, and they can also reflect our state of...

Im Focus: Spider silk key to new bone-fixing composite

University of Connecticut researchers have created a biodegradable composite made of silk fibers that can be used to repair broken load-bearing bones without the complications sometimes presented by other materials.

Repairing major load-bearing bones such as those in the leg can be a long and uncomfortable process.

Im Focus: Writing and deleting magnets with lasers

Study published in the journal ACS Applied Materials & Interfaces is the outcome of an international effort that included teams from Dresden and Berlin in Germany, and the US.

Scientists at the Helmholtz-Zentrum Dresden-Rossendorf (HZDR) together with colleagues from the Helmholtz-Zentrum Berlin (HZB) and the University of Virginia...

Im Focus: Gamma-ray flashes from plasma filaments

Novel highly efficient and brilliant gamma-ray source: Based on model calculations, physicists of the Max PIanck Institute for Nuclear Physics in Heidelberg propose a novel method for an efficient high-brilliance gamma-ray source. A giant collimated gamma-ray pulse is generated from the interaction of a dense ultra-relativistic electron beam with a thin solid conductor. Energetic gamma-rays are copiously produced as the electron beam splits into filaments while propagating across the conductor. The resulting gamma-ray energy and flux enable novel experiments in nuclear and fundamental physics.

The typical wavelength of light interacting with an object of the microcosm scales with the size of this object. For atoms, this ranges from visible light to...

All Focus news of the innovation-report >>>

Anzeige

Anzeige

VideoLinks
Industry & Economy
Event News

Invitation to the upcoming "Current Topics in Bioinformatics: Big Data in Genomics and Medicine"

13.04.2018 | Event News

Unique scope of UV LED technologies and applications presented in Berlin: ICULTA-2018

12.04.2018 | Event News

IWOLIA: A conference bringing together German Industrie 4.0 and French Industrie du Futur

09.04.2018 | Event News

 
Latest News

Quantum Technology for Advanced Imaging – QUILT

24.04.2018 | Information Technology

AWI researchers measure a record concentration of microplastic in arctic sea ice

24.04.2018 | Earth Sciences

Complete skin regeneration system of fish unraveled

24.04.2018 | Life Sciences

VideoLinks
Science & Research
Overview of more VideoLinks >>>