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44 Current news about the topic doping

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New type of graphene-based transistor will increase the clock speed of processors

20-May-2016

Scientists have developed a new type of graphene-based transistor and using modelling they have demonstrated that it has ultralow power consumption compared with other similar transistor devices. The most important effect of reducing power consumption is that it enables the clock speed of ...

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Achieving zero resistance in energy flow

MIT postdoc Cui-Zu Chang makes a spintronic breakthrough in the Moodera group.

09-May-2016

Laptop computer users operating their devices on their laps will be familiar with the heat they generate, which comes from electrical resistance converting waste energy to heat. Scientists dream of creating electronic devices with little or no resistance to the flow of electricity, in order to ...

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Atoms placed precisely in silicon can act as quantum simulator

26-Apr-2016

In a proof-of-principle experiment, researchers at UNSW Australia have demonstrated that a small group of individual atoms placed very precisely in silicon can act as a quantum simulator, mimicking nature - in this case, the weird quantum interactions of electrons in materials. The publication of ...

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With simple process, engineers fabricate fastest flexible silicon transistor

22-Apr-2016

One secret to creating the world's fastest silicon-based flexible transistors: a very, very tiny knife. Working in collaboration with colleagues around the country, University of Wisconsin-Madison engineers have pioneered a unique method that could allow manufacturers to easily and cheaply ...

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New properties of superconductivity discovered

08-Feb-2016

New findings from an international collaboration led by Canadian scientists may eventually lead to a theory of how superconductivity initiates at the atomic level, a key step in understanding how to harness the potential of materials that could provide lossless energy storage, levitating trains ...

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Simplifying solar cells with a new mix of materials

29-Jan-2016

An international research team has simplified the steps to create highly efficient silicon solar cells by applying a new mix of materials to a standard design. Arrays of solar cells are used in solar panels to convert sunlight to electricity. The special blend of materials--which could also prove ...

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A clue to generate electric current without energy consumption at room temperature

05-Jan-2016

A group of researchers in Japan and China identified the requirements for the development of new types of extremely low power consumption electric devices by studying Cr-doped (Sb, Bi)2Te3 thin films. At extremely low temperatures, an electric current flows around the edge of the film without ...

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Doping powers new thermoelectric material

01-Dec-2015

In the production of power, nearly two-thirds of energy input from fossil fuels is lost as waste heat. Industry is hungry for materials that can convert this heat to useful electricity, but a good thermoelectric material is hard to find. Increasing the efficiency of thermoelectric materials is ...

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WDR Research Questions Russia's Doping Campaign

Highly-effective unknown doping agents have emerged; cannot be tested

07-Feb-2014

A few days before the opening of the Winter Olympics in Sochi, WDR research has revealed serious doubts about a credible anti-doping campaign in the Olympics' host country. In the ARD Sports Show and the WDR broadcast "Sport Inside", WDR reporters cover encounters of a Russian scientist with ...

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Sugar and slice make graphene real nice

Rice University lab finds table sugar, metallic sheets produce pristine graphene in one step

17-Nov-2010

Future computers may run a little sweeter, thanks to a refinement in the manufacture of graphene at Rice University. Rice researchers have learned to make pristine sheets of graphene, the one-atom-thick form of carbon, from plain table sugar and other carbon-based substances. They do so in a ...

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