Organic molecules can exhibit n-type magnetism

Researchers from the Trinity College in Dublin, Ireland, found out that Organic molecules can exhibit n-type magnetism. They say that conjugated polymers make strong candidates for future spintronic applications.

While organic compounds are interesting for spintronics due to their extremely long spin lifetimes (because of weak spin relaxation effects), it's not very easy to manipulate the spin orientation in organic spin devices. The new class of molecules (known as spin crossover compounds) may solve this issue as their spin state can be changed from low spin to high spin by an external perturbation.

The University of Utah's new $21.5 million Spintronics and Plasmonics research center

The University of Utah announced a new $21.5 million basic research center aimed towards "next-generation materials for plasmonics and spintronics". The new "Center of Excellence in Materials Research and Innovation" will be funded by the National Science Foundation ($12.5 million), the Utah Science Technology and Research ($6.5 million) initiative and the University of Utah ($3 million).

The spintronics team wil be lead by Physicist Brian Saam. The research effort will center on developing organic spintronic semiconductors.

Researchers created a hybrid Spintronics chip

Researchers from Ohio State University created a hybrid chip that combines a regular semiconductor with an organic (plastic) spintronic memory device. The plastic spintronics memory device was developed last year in the University, and now it has been incorporated into a circuit based on gallium arsenide.

Spintronic logic could (theoretically) require much less power and generate less hit than current electronics, and a hybrid design could accelerate the commercialization of such devices.

The European Research Council grants €1.3 million to CIC nanogune's SPINTROS project

The European Research Council granted €1.3 million to Spain's CIC nanogune's SPINTROS project - as it has been awarded the Starting Grant prize for innovation ideas in electronics. CIC Nanogune is a new nanotech research center in the Basque Country, Spain.

The Spintros (Spin Transport in Organic Semiconductors) project aims to explore news materials and functions in order to design and develop new electronic devices. The project focuses on the design tasks, manufacture and study of electronic devices at a nanometric scale in just one molecule.

Researchers show that a magnetically polarized current can be manipulated by electric fields

Researchers from the UK and Switzerland have shown that a magnetically polarized current can be manipulated by electric fields. This could pave the way towards combining memory and processing power on the same chip.

The researchers have investigated how layers of Lithium Fluoride (LiF) - a material that has an intrinsic electric field - can modify the spin of electrons transported through these spin valves. This is the first time that it was shown how you can proactively control spin with electric fields.

Researchers use tiny magnets measure how magnetic polarisation is lost, will lead to better efficiencies in Spintronics devices

Researchers from the Queen Mary University of London and Switzerland-based Paul Scherrer Institute have succeeded to measure how magnetic polarisation is lost. The resulting improved understanding of the workings of electronic devices using the spin degree of freedom, and the field of organic spintronics in general, finally paves the way for ensuring higher efficiencies in spin transfer, and thus for the future of spin-based electronic devices.

The researchers came out with a new depth-resolved technique for measuring the spin polarisation of current-injected electrons in an organic spin valve and found that the temperature dependence of the measured spin diffusion length was correlated to the device’s magneto-resistance. The scientists used elementary particles called muons that act as tiny magnets, to measure the magnetic field within the device.

Spin valves are usually made up of at least three layers – two magnetic layers separated by a non-magnetic one – and the team attempted to investigate how spins travel across the middle of these layers. It is believed that the research team’s findings are quite significant both to the understanding of spintronic devices, and to the eventual development of next generation data storage solutions and other novel devices and applications.

Utah researchers showed that information can be carried by spins in organic polymers.

University of Utah physicists successfully controlled an electrical current using the "spin" within electrons – a step toward building an organic "spin transistor": a plastic semiconductor switch for future ultrafast computers and electronics.

In the new study, the researchers showed that information can be carried by spins in an organic polymer, and that a spin transistor is possible because "we can convert the spin information into a current, and manipulate it and change it," says Lupton. "We are manipulating this information and reading it out again. We are writing it and reading it."

Boehme says spin transistors and other spin electronics could make possible much smaller computer chips, and computers that are orders of magnitude faster than today's. 

Industrial dye might hold the key to advancing spintronics

Commonly used industrial dyes hold the key to advancing the new science of 'spintronics', say researchers working on a new a £2.5 million study.

The new Basic Technology grant awarded by the Engineering and Physical Sciences Research Council will support research into the magnetic properties of metal atoms found in industrial dyes such as Metal Phthalocyanine (MPc), a blue dye used in clothing. The team from the London Centre for Nanotechnology - a joint venture between Imperial College London and University College London - and the University of Warwick believes that finding ways to control and exploit these molecules will allow spintronics to be applied in new ways.

In order to advance spintronics, materials which combine both magnetic and semiconducting properties need to be found. The researchers believe that MPc, which is an organic semiconductor, holds the answer, and now aim to exploit the spin inherent in its metal atoms. Previous research carried out by this team has already demonstrated that spins in MPc can interact and these interactions can be switched – such switching is the first step towards use in information storage and logic operations.

The organic semiconductors to be used by the team for spintronics are very similar to those successfully used in solar cells and OLEDs, and which are leading the way into cheap 'plastic electronics'. This means that the benefits of organic semiconductors will be spread to more components of everyday electronics products such as computers and mobile telephones.