MEMS piezoelectric sensor for self-powered devices: A review

M Sawane, M Prasad - Materials Science in Semiconductor Processing, 2023 - Elsevier
The bulkiness of traditional batteries, as well as frequent charging and electronic detritus
caused by the replacement of old batteries, hinder the ability of low-powered electronic …

Piezoelectric MEMS based acoustic sensors: A review

WR Ali, M Prasad - Sensors and Actuators A: Physical, 2020 - Elsevier
This paper discusses piezoelectric acoustic devices based on widely used piezoelectric
materials. Commonly used piezoelectric thin film deposition techniques and the influence of …

Surface potential tuned single active material comprised triboelectric nanogenerator for a high performance voice recognition sensor

A Babu, P Malik, N Das, D Mandal - Small, 2022 - Wiley Online Library
To fabricate a high‐performance and ultrasensitive triboelectric nanogenerator (TENG),
choice of a combination of different materials of triboelectric series is one of the prime …

[HTML][HTML] Recent development and futuristic applications of MEMS based piezoelectric microphones

A Kumar, A Varghese, A Sharma, M Prasad… - Sensors and Actuators A …, 2022 - Elsevier
This paper presents a comprehensive literature survey of MEMS based piezoelectric
microphones along with the fabrication processes involved, application domains, and …

Design, fabrication and reliability study of piezoelectric ZnO based structure for development of MEMS acoustic sensor

A Kumar, M Prasad, V Janyani, RP Yadav - Microsystem Technologies, 2019 - Springer
This paper reports a piezoelectric zinc oxide (ZnO) based acoustic sensor for high sound
pressure level (SPL) with wide bandwidth for audio and aeroacoustic applications. The …

Piezoelectric based MEMS acoustic sensor for wide frequency applications

WR Ali, M Prasad - IEEE Sensors Journal, 2021 - ieeexplore.ieee.org
This work describes the development of an acoustic sensor based on piezoelectric ZnO thin
film to be utilized for aero-acoustic measurements. The design of the device was carried out …

Fabrication and annealing temperature optimization for a piezoelectric ZnO based MEMS acoustic sensor

A Kumar, M Prasad, V Janyani, RP Yadav - Journal of Electronic Materials, 2019 - Springer
This paper reports the development of an acoustic sensor structure with a square-shaped
diaphragm with side length 1750 μm. The fabricated structure has been annealed at …

Deposition and process development of AlN for MEMS acoustic sensor

M Prasad, R Kumar - Vacuum, 2018 - Elsevier
This paper describes a technique for fabrication of AlN based structure for MEMS acoustic
sensor and similar applications. The AlN films of 2.1 μm thickness are grown on silicon …

Development of diaphragm and microtunnel structures for MEMS piezoelectric sensors

A Kumar, M Prasad, V Janyani… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
This paper reports a novel method for fabrication of diaphragm along with microtunnels for
various applications. Micromasking, grass formation, uniformity over the process wafer …

Fabrication of microchannel and diaphragm for a MEMS acoustic sensor using wet etching technique

WR Ali, M Prasad - Microelectronic Engineering, 2022 - Elsevier
This paper reports a new technique for fabrication of diaphragm and microchannel in a
single step for the development of a piezoelectric MEMS acoustic sensor. It describes the …