 |
|
New invention that could change design of future memory storage devices
October 08, 2008Singapore's Data Storage Institute conducted research
A research team at Singapore A*STAR's Data Storage Institute (DSI) has invented a new phase change material that has the potential to change the design of future memory storage devices.
Phase change materials are substances that are capable of changing their structure between amorphous and crystalline at high speed. Currently, these materials are used to make Phase change memory (PCM), the most promising alternative to replace FLASH memory.
This research advance was given special mention in Nature's Asia Materials journal. In the August issue of Nature Photonics journal, another DSI research achievement -- the creation of a needle of longitudinally polarized light in vacuum using binary optics - is featured.
Conventionally, PCM is worked by changing phase change materials' structure through applying an electric current. Now, phase change might be effected by means of switching the new phase change materials by using magnetic fields.
The DSI research team led by Shi Luping, Ph.D., created this first phase change magnetic material by introducing iron atoms into Germanium-Antimony-Tellurium alloys (or GeSbTe) containing non-magnetic elements.
"The addition of magnetic properties to phase change materials opens doors to possible new applications, such as the possibility of integrating phase change memory into spintronic technology [also known as magnetoelectronics], and positions it as the next generation of storage technology to look out for," said Chong Tow Chong, Ph.D., DSI Executive Director.
Research is underway to develop materials that could be switched by application of magnetic fields. Said Dr. Shi, "As a next step, we will explore phase change spintronics and its applications. Because of the new degree of freedom of spin we introduced, the possible applications include novel devices with multiple functions, such as memories, sensors and logic devices."
Agency for Science, Technology and Research (A*STAR), Singapore
This research advance was given special mention in Nature's Asia Materials journal. In the August issue of Nature Photonics journal, another DSI research achievement -- the creation of a needle of longitudinally polarized light in vacuum using binary optics - is featured.
Conventionally, PCM is worked by changing phase change materials' structure through applying an electric current. Now, phase change might be effected by means of switching the new phase change materials by using magnetic fields.
The DSI research team led by Shi Luping, Ph.D., created this first phase change magnetic material by introducing iron atoms into Germanium-Antimony-Tellurium alloys (or GeSbTe) containing non-magnetic elements.
"The addition of magnetic properties to phase change materials opens doors to possible new applications, such as the possibility of integrating phase change memory into spintronic technology [also known as magnetoelectronics], and positions it as the next generation of storage technology to look out for," said Chong Tow Chong, Ph.D., DSI Executive Director.
Research is underway to develop materials that could be switched by application of magnetic fields. Said Dr. Shi, "As a next step, we will explore phase change spintronics and its applications. Because of the new degree of freedom of spin we introduced, the possible applications include novel devices with multiple functions, such as memories, sensors and logic devices."
Agency for Science, Technology and Research (A*STAR), Singapore
Phase Change Current Events and Phase Change News RSSMolecular memory a game-changer
A team at Rice University has determined that a strip of graphite only 10 atoms thick can serve as the basic element in a new type of memory, making massive amounts of storage available for computers, handheld media players, cell phones and cameras.
New property found in ancient mineral lodestone
Using the latest methods for nanofabrication, a team led by Rice University physicists has discovered a surprising new electronic property in one of the earliest-known and most-studied magnetic minerals on Earth -- lodestone, also known as magnetite.
Seismologists see Earth's interior as interplay between temperature, pressure and chemistry
Seismologists in recent years have recast their understanding of the inner workings of Earth from a relatively benign homogeneous environment to one that is highly dynamic and chemically diverse.
New field-deployable biosensor detects avian influenza virus in minutes instead of days
Quick identification of avian influenza infection in poultry is critical to controlling outbreaks, but current detection methods can require several days to produce results.
New ORNL roof system means savings for homeowners
Homeowners could see their summer utility bills fall by 8 percent or more with a new roof and attic system being developed at the Department of Energy's Oak Ridge National Laboratory.
Bose-Einstein condensation in the solid state
New experimental research shows that half-matter, half-light quasi-particles called polaritons show compelling evidence of Bose-Einstein condensation at the relatively high temperature of 19 degrees Kelvin.
Researchers build an ultrasound version of the laser
Researchers at the University of Illinois at Urbana-Champaign and at the University of Missouri at Rolla have built an ultrasound analogue of the laser.
Nanoscale Tubing Assembles Itself Instantly
Making tubes useful often means joining them to other tubes and linking them together in networks. Easy enough to do with standard water pipes - but on the nanoscale, joining nanotubes is hard to do.
Phase Change in Fluids Finally Simulated After Decades of Effort
Modeling the transformation process of matter moving from one phase to another, such as from liquid to gas, has been all but impossible near the critical point.
Ultracold test produces long-sought quantum mix
In the bizarre and rule-bound world of quantum physics, every tiny spec of matter has something called "spin"-an intrinsic trait like eye color-that cannot be changed and which dictates, very specifically, what other bits of matter the spec can share quantum space with.
More Phase Change Current Events and Phase Change News Articles
 | Liquid Vapor Phase Change Phenomena: An Introduction to the Thermophysics of Vaporization and Condensation Processes in Heat Transfer Equipment by Van P. Carey The book focuses on basic elements of condensation and vaporization processes. The basic physical mechanisms associated with a particular phase-change phenomenon are described in detail, followed by a representative sample of the best models applicable to the circumstances of interest. Throughout the text, the importance of the basic phenomena to a wide variety of applications is... |
 | Phase Change: The Computer Revolution in Science and Mathematics (Computer Sciences) by Douglas S. Robertson Robertson's earlier work, The New Renaissance projected the likely future impact of computers in changing our culture. Phase Change builds on and deepens his assessment of the role of the computer as a tool driving profound change by examining the role of computers in changing the face of the sciences and mathematics. He shows that paradigm shifts in understanding in science have generally been... |
 | GARDEN PLANET: The Present Phase Change of The Human Species by William H. Kotke Kötke's new book brilliantly integrates the best contemporary research into a compelling argument on the inevitable collapse of the consumer empire. The argument presented is not a fuzzy doomsday prophecy but rather a strong fact-based prediction that will leave the reader awestruck. Equally brilliant, however, is the "solution" that is offered. The solution offered is not wedded to "high... |
 | Phase Change Materials: Science and Applications "Phase Change Materials: Science and Applications" provides a unique introduction of this rapidly developing field. Clearly written and well-structured, this volume describes the material science of these fascinating materials from a theoretical and experimental perspective. Readers will find an in-depth description of their existing and potential applications in optical and solid state storage... |
 | Handbook of Phase Change: Boiling and Condensation by S. G. Kandlikar Provides a comprehensive coverage of the basic phenomena. It contains twenty-five chapters which cover different aspects of boiling and condensation. First the specific topic or phenomenon is described, followed by a brief survey of previous work, a phenomenological model based on current understanding, and finally a set of recommended design equations or correlations. Detailed references are... |
 | Phase Change with Convection: Modelling and Validation by D. Gobin Solid-liquid phase change phenomena are present in a large number of industrial applications and natural processes like material processing, crystal growth, heat storage, icebergs or magma eruption. Numerical modelling of strongly non-linear, moving boundary, thermal and fluid flow problems is a challenging task. The book gives a review of modelling methods of phase change problems, numerical and... |
| Heat Transfer With Phase Changes | |
| Theory of Symmetry Changes at Continuous Phase Transitions (Developments in Water Science) by Jerzy Kocinski | |
| Moving through the three phases of organizational change. (Change Management): An article from: Industrial Management by Steven W. Gambrell, Craig A. Stevens This digital document is an article from Industrial Management, published by Institute of Industrial Engineers, Inc. (IIE) on July 1, 1992. The length of the article is 2490 words. The page length shown above is based on a typical 300-word page. The article is delivered in HTML format and is available in your Amazon.com Digital Locker immediately after purchase. You can view it with any web... | |
| Stream bottom organisms as indicators of ecological change: phase II by Richard Cunningham Harrel |
| © 2009 BrightSurf.com |