英語 での Magnetic memory の使用例とその 日本語 への翻訳
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High-density magnetic memory materials.
There are two important requirements for magnetic memory.
The MOKE is used in magnetic memory devices and future spintronics devices.
This has promise for realizingnew devices such as magnetic-field sensors and magnetic memory devices.
IBM launched a magnetic memory in the cartridge has a packing density of 38,000 BPI.
This work suggests that single-atom magnetic memory should be possible.
The ability to operate without a permanent magnet means that this memory device iseasier to downscale in size compared to other magnetic memory technologies.
Future developments The developed magnetic memory technology is being pursued as a fundamental technology development project by the New Energy and Industrial Technology Development Organization.
I am consideringapplying this substance to shape memory materials and magnetic memory elements.
Our company is continuing to further improve the new magnetic memory elements and circuits that we have already developed and to develop memory technology that is suitable for even smaller silicon transistors.
In 2012,IBM scientists announced the creation of the world's smallest magnetic memory bit, made of just 12 atoms.
The development of a high-performance magnetic memory device(where the magnetic structure is manipulated by current) has been intensively pursued recently, and the present findings are expected to facilitate the fundamental understanding to achieve the practical application.
Prof. Motokawa offered a model that explains an uncommon physical phenomenon in tis class of materials-magnetisation reversal and magnetic memory effect at low temperatures.
In the field of spintronics,development has been progressing on"MRAM" nonvolatile magnetic memory that utilizes the nonvolatile nature of magnets and is recognized as the only nonvolatile memory offering high capacity, high speed, and highly repeatable operation.
In 1986, they achieved practical application of a high-capacity, high-speed magnetic disk unit commonly referred to as GEMMY:Giga-byte capacity magnetic memory.
These ε-iron oxide magnetic nanomaterials are expected to contribute to high-density magnetic memory media or high-speed operation circuit magnetic devices.
Because the atomically thin material is an exceptional conductor of heat, the researchers suggested it may be useful for electronics in high-temperature applications,perhaps even as magnetic memory devices.
Voltage torque MRAM is expected to offer dramaticallylower power consumption than conventional current-controlled magnetic memory(STT-MRAM), but reducing the write error rate has been a major challenge in terms of practical application of the technology.
The development of a multiferroic material allowing magnetization reversal through electric polarization reversal in which ferromagnetism and ferroelectricity coexist,promises ultra-low power consumption magnetic memory with electric field writing and magnetic reading.
We will continue to improve the developed magnetic memory elements and circuits, with the aim of developing, by project end(fiscal 2015), nonvolatile memory technologies that reduce overall processor power consumption to less than one-tenth that of conventional circuits.
These characteristics have enabled researchers to use GaMnAs as a platform for new devices,such as spin transistors and magnetic memory, which can process information using minimal energy.
In circuits for writing conventional magnetic memory, it has been difficult to generate high-speed voltage pulse with an accurately controlled waveform, because the waveform of the voltage pulses can be degraded because of the influence of resistance and capacitance components of memory elements and wiring, which make the quick switching of the voltage polarity difficult.
It has an excellent power saving capacity and by removing the battery for data backup, it improved the reliability of storage,using magnetic memory and also contributes to easier maintenance and reduction of waste.
The Voltage-driven spintronics team in AIST previously developed a magnetic tunnel junction(MTJ) element, in which magnetization reversal can be controlled by fast voltage pluses,and has been developing a new type of voltage-controlled magnetic memory,"voltage torque MRAM.
The tetrataenite phase with the magnetic properties found in this research is attracting attention as a material for the next-generation resource-saving andlow-power-consumption magnetic memory, which will contribute to the realization of a low-carbon society in our country.
In the"Achieving Ultimate Green IT Devices with Long Usage Time without Charging", part of ImPACT, the R&D team formed by Toshiba Corporation and AIST has implemented nonvolatile memory offering the lowest power consumption and highest recording density through research anddevelopment of"voltage-controlled MRAM" non-volatile magnetic memory, which is written using voltage.
However, presently available magnetic memories are"current-controlled," which means that data are written(i.e. magnetization is reversed) by supplying current to the MTJ element. This creates the problem that power consumption for writing is larger in the magnetic memory than in semiconductor memory. .
Such a pure spin current enables to drive magnetic memories, magnetic hard disks, and quantum computers, bringing the promising application as the new energy technology.
Magnetic memories generally function using the magnetic fields in two ferromagnetic layers- one layer consisting of a permanent magnet and one layer with adjustable magnetic polarization.