Molecular adhesion controlled microelectromechanical memory device for harsh environment data storage

Molecular adhesion controlled microelectromechanical memory device for harsh environment data storage

This work demonstrates a cantilever based electrostatic microelectromechanical system device operating as a memory element. Volatile and non-volatile functions are engineered by manipulating molecular adhesion force through contact dimples and restoring force using the cantilever design. For non-vol...

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Bibliographic Details
Main Authors: Chua, Geng Li, Singh, Pushpapraj, Soon, Bo Woon, Liang, Ying Shun, Jayaraman, Karthik Gopal, Singh, Navab, Kim, Tony Tae-Hyoung
Other Authors: School of Electrical and Electronic Engineering
Format: Article
Language:English
Published: 2015
Subjects:
Microelectrochemical systems
Electrodes
Magnetic storage devices
Adhesion
Electrostatics
Online Access:https://hdl.handle.net/10356/81211
http://hdl.handle.net/10220/39210
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Institution: Nanyang Technological University
Language: English
Description
Summary:This work demonstrates a cantilever based electrostatic microelectromechanical system device operating as a memory element. Volatile and non-volatile functions are engineered by manipulating molecular adhesion force through contact dimples and restoring force using the cantilever design. For non-volatile RESET operation, a method of detaching the cantilever with 3 V pulsating DC signal at 1 MHz is proposed. SET/RESET cycles are performed up to 103 times at 300 °C without any performance degradation. A writing speed of up to 0.94 μs is achieved, which is faster than conventional high temperature flash memories. With demonstrated attributes, the fabricated device offers excellent potential for harsh environment data storage applications.

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