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Browsing by Author "Kirby, Paul B."

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In-plane excitation of thin silicon cantilevers using piezoelectric thin films

Leighton, Glenn J. T.; Kirby, Paul B.; Fox, Colin H. J. (American Institute of Physics, 2007-10-29)

This paper deals with the actuation of in-plane and out-of-plane motions of silicon cantilevers, using a single thin film of lead zirconate titanate with a divided electrode configuration. In-plane actuation is demonstrated ...
In-plane excitation of thin silicon cantilevers using piezoelectric thin films

Leighton, Glenn J. T.; Kirby, Paul B.; Fox, Colin H. J. (American Institute of Physics, 2007-10)

This paper deals with the actuation of in-plane and out-of-plane motions of silicon cantilevers, using a single thin film of lead zirconate titanate with a divided electrode configuration. In-plane actuation is demonstrated ...
Integration of sol-gel frequency agile materials for tunable RF devices

Fragkiadakis, Charalampos (Cranfield University, 2012-01)

This thesis focuses on the use of high permittivity tunable dielectrics and more specifically sol-gel ferroelectric thin films for low cost, high performance tunable devices such as varactors and filters at RF and microwave ...
Integration of thin film bulk acoustic resonators onto flexible liquid crystal polymer substrates

Wright, Robert V.; Hakemi, Ghazal; Kirby, Paul B. (Elsevier Science B.V., Amsterdam., 2011-06-30)

Thin film bulk acoustic resonators (FBARs) have been directly integrated on liquid crystal polymer (LCP) substrates for application to the field of flexible electronics. Particular developments required were chemo-mechanical ...
Laser transfer of sol-gel ferroelectric thin films using an ITO release layer

Bansal, A.; Hergert, R.; Dou, G.; Wright, Robert V.; Bhattacharyya, Debabrata; Kirby, Paul B.; Yeatman, E. M.; Holmes, A. S. (Elsevier Science B.V., Amsterdam., 2011-02-01)

A new laser transfer process is reported which allows damage-free transfer of ferroelectric thin ﬁlms from a growth substrate directly to a target substrate. The thin ﬁlm ferroelectric material is deposited on a fused ...
Mechanical design aspects of a tri-axial accelerometer

Hatt, Joseph M. (2004-06)

This work describes the development of computer models for the design of a novel three-axis silicon accelerometer with thin-film PZT piezo-electric sensing. Theoretical and finite element methods are used to predict the ...
Optimization design of multi-material micropump using finite element method

Zhu, Meiling; Kirby, Paul B.; Wacklerle, M.; Herz, M.; Richter, M. (Elsevier Science B.V., Amsterdam., 2009-01-15)

This paper presents a micropump fabricated from low-cost materials with specific goal of cost reduction. The micropump does not require any valve flap and comprises of one plastic pump polyether-ether-ketone (PEEK) body, ...
Piezoelectric Energy Harvesting: Enhancing Power Output by Device Optimisation and Circuit Techniques

Worthington, Emma (Cranfield University, 2010-03-31)

Energy harvesting; that is, harvesting small amounts of energy from environmental sources such as solar, air flow or vibrations using small-scale (≈1cm 3 ) devices, offers the prospect of powering portable electronic ...
Pyroelectric arrays using ceramics and thin films integrated radiation collectors: design fabrication and testing

Whatmore, Roger W.; Landi, Spartaco; Shaw, Christopher P.; Kirby, Paul B. (Taylor and Francis, 2005-07)

Pyroelectric infra-red detectors have been of-interest for many years because of their wide wavelength response, good sensitivity and lack of need for cooling. Arrays of such detectors, comprising a pyroelectric material ...
Reactive ion etching techniques for uncooled pyroelectric detectors

Landi, S (2005-03)

This research presents the design and microfabrication of a novel pyroelectric IR array detector. Micromachined concentrators are incorporated in the device to focus incoming radiation. Patterning of the sensing elements ...
Sol-Gel derived Ferroelectric Thin Films for Voltage Tunable Applications

Luker, Arne (Cranfield University, 2009)

Ferroelectric perovskite thin films for voltage tunable applications, namely (Ba,Sr)TiO3 (Barium Strontium Titanate or BST) and (Pb,Sr)TiO3 (Lead Strontium Titanate or PST), are synthesized via the so-called sol-gel route. ...
Study of compositional change in the interfacial regions between lead strontium titanate (PST)/SiO2 and lead zirconate titanate (PZT)/SiO2 by Auger emission spectroscopy

Luker, Arne; Zhang, Qi; Kirby, Paul B. (Elsevier Science B.V., Amsterdam., 2010-05-03)

Auger spectroscopy was used to study the compositional change in the interfacial region between ferroelectric thin films, namely lead strontium titanate (PST) and lead zirconate titanate (PZT), and commercial available ...
Synthesis of silver nano particles and fabrication of aqueous Ag inks for inkjet printing

Kosmala, A.; Wright, Robert V.; Zhang, Qi; Kirby, Paul B. (Elsevier Science B.V., Amsterdam., 2011-10-03)

The main problem in preparing stable and printable inks containing nanoparticles for inkjetprinting is to overcome the strong agglomeration of the particles in dispersion medium. In thisstudy, the silver particles with ...
Thin Film Crystal Growth Template Removal: Application to stress reduction in Lead Zirconate Titanate Microstructures

Gkotsis, P.; Kirby, Paul B.; Saharil, F.; Oberhammer, J.; Stemme, G. (American Institute of Physics, 2007-10)

A key issue for the design and reliability of microdevices is process related; residual stresses in the thin films from which they are composed, especially for sol-gel deposited Pb(Zrx,Ti1-x)O3 ceramics, where use of Pt ...

Browsing by Author "Kirby, Paul B."

Browsing by Author "Kirby, Paul B."

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