Optimized Ferroelectric PZT Films Deposited on Various Transparent Conducting Oxides for Ferroelectric Transparent Thin-Film Transistors

Kim, Hwa Min; Ahn, Jung Sun; Lee, Kyung Haeng; Lee, Kwang Bae

doi:10.3938/jkps.50.1740

Cited by 7 publications

(2 citation statements)

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“…This has led researchers to work on broadband energy harvesting method exploiting nonlinearity of the piezoelectric material to achieve energy harvesting under the broad vibration frequencies [4][5][6][7]. According to Kobayashi et al [8] and Kim et al [9], bistable cantilevered beams have shown a wider range of high energy conversion with encouraging results.…”

Section: Introductionmentioning

confidence: 99%

Recycling Piezo-Crystal Based Sounders from Small (Electronic) Devices into Energy Harvesting Devices

Afolayan

Inalegwu

2013

AMR

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Many small devices now incorporate a sound feedback device using piezo crystal plates of varying sizes (10mm-20mm diameter). After these devices are discarded, the piezo crystal plates are usually of no value other than a curious toy or component. This work presents a potential use of this device (18.8mm diameter unimorph PZT 5H piezo plate) for harvesting energy by mounting it on the wrist (at the base of meta carpal) of human subjects. The subjects were made to walk at an average steady pace of 0.7m/s. The device generated voltage in the range of 180.4mV to 1674.60mV. ANSYS 10 simulation shows that the optimum voltage will be generated at resonance frequency of approximately 204Hz.

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Section: Introductionmentioning

confidence: 99%

Recycling Piezo-Crystal Based Sounders from Small (Electronic) Devices into Energy Harvesting Devices

Afolayan

Inalegwu

2013

AMR

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“…17,18 GZO has previously been shown to have good thermal stability in addition to exhibiting good electrical conductivity and high optical transmission. [19][20][21] Owing to improved electrical, optical, and environmental stability of GZO electrodes, they are actively used in solar cells, 22 thin film transistors, 23 liquid crystal displays, 24,25 organic light emitting diodes 26,27 and organic photovoltaics. 26,28 In many such applications, TCO films need to satisfy additional stringent quality requirements such as roughness, WF, and chemical stability.…”

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confidence: 99%

Work Function Estimation of Gallium-Doped Zinc Oxide Using Transparent Gate Electrode MOSFET

Saikumar

Sundaresh²,

Nehate³

et al. 2023

ECS J. Solid State Sci. Technol.

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Work function (WF) of radio-frequency (RF) sputtered Gallium-Doped Zinc Oxide (GZO) thin films has been estimated using the electrical characteristics of an n-metal oxide semiconductor field-effect transistor (n-MOSFET) device. Two identical sets of MOSFETs were fabricated in this work using a four-level mask. These MOSFETs have two different types of gate contact materials (Al and GZO, respectively). GZO was deposited by using RF magnetron sputtering technique while Al was deposited using thermal evaporation technique. By comparison of the work function of the two MOSFETs, the work function of RF sputtered GZO thin films was identified to be around 4.58 eV.

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Surface composition, work function, and electrochemical characteristics of gallium-doped zinc oxide

et al. 2012

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Optimized Ferroelectric PZT Films Deposited on Various Transparent Conducting Oxides for Ferroelectric Transparent Thin-Film Transistors

Cited by 7 publications

References 0 publications

Recycling Piezo-Crystal Based Sounders from Small (Electronic) Devices into Energy Harvesting Devices

Recycling Piezo-Crystal Based Sounders from Small (Electronic) Devices into Energy Harvesting Devices

Work Function Estimation of Gallium-Doped Zinc Oxide Using Transparent Gate Electrode MOSFET

Surface composition, work function, and electrochemical characteristics of gallium-doped zinc oxide

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