Heat-assisted magnetic recording (HAMR) is a new process that realizes the three goals of magnetic recording—readability, writeability and stability. A*STAR researchers have now succeeded in improving its writeability by ...
General Physics
Oct 22, 2014
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(Phys.org) —Graphene, a one-atom-thick form of the carbon material graphite, has been hailed as a wonder material—strong, light, nearly transparent, and an excellent conductor of electricity and heat. But a number of ...
Nanomaterials
May 6, 2014
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Materials that can be used for thermoelectric devices—those that turn a temperature difference into an electric voltage—have been known for decades. But until now there has been no good explanation for why just a few ...
Materials Science
Apr 29, 2014
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Graphene, a one-atom-thick form of the carbon material graphite, has been hailed as a wonder material—strong, light, nearly transparent and an excellent conductor of electricity and heat—and it very well may be. But a ...
Nanophysics
Apr 24, 2014
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(Phys.org) —A mixture of diamond nanoparticles and mineral oil easily outperforms other types of fluid created for heat-transfer applications, according to new research by Rice University.
Nanomaterials
Mar 28, 2014
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When engineers design devices, they must often join together two materials that expand and contract at different rates as temperatures change. Such thermal differences can cause problems if, for instance, a semiconductor ...
Nanomaterials
Dec 2, 2013
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Gallium nitride (GaN) is an important material for the semiconductor industry. It features a wide band gap and high thermal conductivity at room temperature, which make it a good material for optoelectronic devices and high-performance ...
Materials Science
Nov 7, 2013
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A new study has found that "waviness" in forests of vertically-aligned carbon nanotubes dramatically reduces their stiffness, answering a long-standing question surrounding the tiny structures.
Nanomaterials
Oct 1, 2013
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Thermoelectric generators can make better use of the excess heat generated by machines by converting temperature differences directly back into electricity. Now, Masaki Takata from the RIKEN SPring-8 Center, Harima, working ...
Condensed Matter
Oct 12, 2012
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Neutron analysis of the atomic dynamics behind thermal conductivity is helping scientists at the Department of Energy's Oak Ridge National Laboratory gain a deeper understanding of how thermoelectric materials work. The analysis ...
Condensed Matter
Jun 6, 2011
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