News News
Contact us
  • Customer service number:64321087
  • Commercial service telephone:13918059423
  • Technical service telephone:13918059423
  • Contact person: Mr. Cui 
  • Service
  • Address: room 107, building 8, no. 100, guilin road, xuhui district, Shanghai

Hafnia-Based Ferroelectric Materials Exhibit Benefits for Computer Memory

The date of: 2022-06-24
viewed: 0

Ferroelectric materials are known as substances that exhibit spontaneous electrical polarization. Polarization implies the isolation of the negative and positive charges present inside a material.
The Impact
Hafnia-based ferroelectric materials seem to possess numerous advantages for computer memory. They provide high durability, lower operating power, speed, and the potential to hold data when power is shut down. But scientists do not completely comprehend such materials.
This study developed a creative bulk hafnia-based ferroelectric material. The outcomes offer insights into how such materials tend to behave and how to regulate them. Also, the findings eliminate the upper size limit of the materials, thereby making such materials simpler to utilize in real-world applications.
The huge sample size will help additional experiments to better comprehend the ferroelectric properties of the material. In return, this will help scientists make next-generation non-volatile memory devices.
In 1965, Intel co-founder Gordon Moore inferred that the number of transistors on a computer chip would double every two years, a prediction called the Moore’s Law. Chip manufacturers since then have been able to retain this rate of miniaturization but tend to encounter increasing difficulties as a result of the laws of physics.
memory devices. However, scientists have not come up with a bulk form of the material.
In this study, the new bulk ferroelectric yttrium doped hafnium dioxide developed could allow such development, thereby resulting in more use of hafnia on computer chips and expanding Moore’s Law.
A research group headed by Rutgers University executed neutron powder diffraction measurements on yttrium doped hafnium dioxide with the help of the POWGEN, a general-purpose powder diffractometer instrument at the Spallation Neutron Source, a
Hafnia-based ferroelectric materials might help to further miniaturize non-volatile Department of Energy (DOE) user facility at Oak Ridge National Laboratory (ORNL).
POWGEN is known as a high-resolution neutron powder diffractometer allowing the magnetic, crystal, and local structures of novel polycrystalline materials to be defined. The research group synthesized single crystals of yttrium doped hafnium dioxide at several yttrium doping levels and further ground them into powder for characterization.
POWGEN data displayed that at few doping levels, the bulk phases were firm and the oxygen atoms moved to allow reversible polarization. Hence, this verifies the ferroelectricity of hafnia at room temperatures.
Other measurements, such as polarization-electric field hysteresis loop and computational simulations, aided the structural analyses, and constitute a significant step forward toward hafnia-based technologies in the future.
The study was financially supported by the Centre for Quantum Materials Synthesis funded by the Gordon and Betty Moore Foundation’s EPiQS initiative, Rutgers University, the Office of Naval Research, and the Department of Defense. The neutron characterization was performed with the Spallation Neutron Source, a DOE Office of Science user facility at ORNL.

Hot News / Related to recommend
  • 2024 - 05 - 29
    Click on the number of times: 0
    source:Tohoku UniversityResearchers have harnessed the power of artificial intelligence to significantly advance the discovery and optimization of multicomponent metal oxide electrocatalysts for the o...
  • 2024 - 05 - 28
    Click on the number of times: 0
    Large-area preparation of flexible carbon nanofilms with synergistically enhanced transmittance and conductivity source:physLarge-area flexible transparent conductive films (TCFs) are urgently ne...
  • 2024 - 05 - 27
    Click on the number of times: 0
    source:miningResearch led by the University of Utah has documented elevated concentrations of rare earth elements, or REEs, in active mines rimming the Uinta coal belt of Colorado and Utah.The work, p...
  • 2024 - 05 - 24
    Click on the number of times: 0
    source:resource worldYork Harbour Metals Inc. [TSXV-YORK; OTCQB-YORKF; FSE-5DE] announced positive results from channel sampling at its Rare Earth Elements Bottom Brook projects’ newly discovered Bott...
  • Copyright ©Copyright 2018 2020 Shanghai rare earth association All Rights Reserved Shanghai ICP NO.2020034223
    the host:Shanghai Association of Rare Earth the guide:Shanghai Development and Application Office of Rare Earth the organizer:Shanghai rare earth industry promotion center