New memory technology has been developed by a group of Indian researchers from IIT-H, Its a resistive random access memory (RRAM) device that can be controlled with magnetic fields.
Hyderabad: Silicon-based memory devices such as hard drives and flash drives are in high demand for gadgets that require storage.Conventional semiconductor material-based memory devices have limited scale-up ability to increase their storage capacity. So, there is an immediate need in demand to develop new memory technologies with superior characteristics.
In this direction, a group of Indian researchers has developed a new type of resistive random access memory (RRAM) device that can be controlled with magnetic fields.Researchers at Indian Institute of Technology Hyderabad have demonstrated the control of resistive switching characteristics of titanium dioxide-based resistive random access memory device with a magnetic field.IIIT Hyderabad student Sneha Jain, Earns internship at Berkeley Lab.
The technology of New memory technology :
The team has designed a memory device which is made up of silver, titanium dioxide and fluorine doped tin oxide (FTO).Nonvolatile memory devices such as flash memory and magnetic random access memory (MRAM) are key components in many technological devices which is similar to hard drives on a computer and memory cards in a phone.
Non-volatile memory is typically used for storing information that would be retained even after power is switched off. Ideally, a good memory device should be able to operate with high speed, low power consumption and must possess high density. Follow us on Facebook.
The science of New memory technology :
According to researchers, RRAM devices were fabricated on FTO substrate to study the resistive switching behavior in the newly designed device. To build this new device, titanium dioxide paste was used to prepare a thin film on FTO substrate which was followed by heating of film at a very high temperature (400 degrees C).
“We used silver as a top electrode for good conduction as well as its anti-oxidation property whereas fluorine-doped tin oxide was used as a bottom electrode,” said researchers.
“As present memory technologies are approaching their scaling limits, we need intensive research to develop non-volatile memory technologies. Among various NVM technologies, resistive random access memory (RRAM) also has attracted a great deal of scientific and technological interest owing to its easy fabrication, high density, and promising performance,” Said another Researcher.
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