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pro vyhledávání: '"K.R. Udayakumar"'
Akademický článek
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Publikováno v:
Journal of Materials Research. 10:2764-2769
Niobium-doped lead zirconate stannate titanate thin films have been prepared by a modified sol-gel spin on technique, utilizing the hydrolysis-resistant precursor lead acetylacetonate. Films of compositions in the antiferroelectric tetragonal and ant
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::671747b7a3271387fb7e552b3fbcfd84
https://doi.org/10.1557/jmr.1995.2764
https://doi.org/10.1557/jmr.1995.2764
Autor:
Stephen F. Bart, Jen Ming Chen, Rodney A. Brooks, L. E. Cross, K.R. Udayakumar, Daniel J. Ehrlich, Anita M. Flynn, Lee S. Tavrow
Publikováno v:
Ferroelectrics. 160:347-356
The dielectric and piezoelectric properties of lead zirconate titanate (PZT) thin films were investigated to examine its viability for application to a new family of flexure-wave piezoelectric micromotors, characterized by low speed and high torque.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f20cd4b8575cb9f2e5eb01a2e9ce057f
https://doi.org/10.1080/00150199408222472
https://doi.org/10.1080/00150199408222472
Autor:
Jeffrey G. Nelson, J.T. Cheung, J.R. Oliver, I.S. Santha, Peter E. D. Morgan, K.R. Udayakumar, Ratnakar R. Neurgaonkar
Publikováno v:
Materials Research Bulletin. 28:719-727
The sol-gel technique has been used to produce highly grain-oriented perovskite PZT thin films on lattice-matched SBN:60, SrTiO 3 and MgO substrates. These films were deposited on both La 0.5 Sr 0.5 CoO 3 (LSC) laser ablated-coated and uncoated subst
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4d5bf6209ffac305c55ee0933757bebe
https://doi.org/10.1016/0025-5408(93)90115-t
https://doi.org/10.1016/0025-5408(93)90115-t
Autor:
Daniel J. Ehrlich, Rodney A. Brooks, Anita M. Flynn, Lee S. Tavrow, L.E. Cross, K.R. Udayakumar, Stephen F. Bart
Publikováno v:
Journal of Microelectromechanical Systems. 1:44-51
The authors have begun research into piezoelectric ultrasonic motors using ferroelectric thin films. The authors have fabricated the stator components of these millimeter diameter motors on silicon wafers. Ultrasonic motors consist of two pieces: a s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bd22796d6657bb5fa1d86ae789c18af6
https://doi.org/10.1109/84.128055
https://doi.org/10.1109/84.128055
Autor:
J. Eliason, J. Rodriquez, K. Boku, R. Bailey, J. Groat, K. Remack, E. Jabillo, J. Gertas, M. Depner, D. Kim, Glen R. Fox, K.R. Udayakumar, S. Summerfelt, Theodore S. Moise, J. Walbert
Publikováno v:
ICCD
Summary form only given. FRAM memory technology offers a number of advantages over current memory technologies. For applications which require low power, fast write, or non-volatility with high write/read endurance, FRAM is quickly becoming the memor
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7a921becd03c78606f60dd3a7d07a36d
https://doi.org/10.1109/iccd.2005.60
https://doi.org/10.1109/iccd.2005.60
Autor:
K.R. Udayakumar, Jen Ming Chen, Anita M. Flynn, Stephen F. Bart, Daniel J. Ehrlich, L.E. Cross, Lee S. Tavrow, Rodney A. Brooks
Publikováno v:
[1991] Proceedings. IEEE Micro Electro Mechanical Systems.
Ferroelectric thin films of lead zirconate titanate (PZT) of morphotropic phase-boundary composition have been fabricated by a sol-gel spin-on technique for application to a new family of flexure-wave piezoelectric micromotors characterized by low sp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f819fb49f2547b23c7c5bcdf4991aaa3
https://doi.org/10.1109/memsys.1991.114779
https://doi.org/10.1109/memsys.1991.114779
Akademický článek
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Autor:
K.R. Udayakumar, A.M. Flynn
Publikováno v:
Materials & Design. 13:93
The Materials Research Society held its 1991 Fall Meeting on 1–7 December in Boston, MA, USA. More than 4000 scientists attended to hear almost 3000 papers presented across 26 specialist symposia. Many of the papers described the incremental but ve
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fabc66b90b8a6aed0a2ae6732dc1e592
https://doi.org/10.1016/0261-3069(92)90114-w
https://doi.org/10.1016/0261-3069(92)90114-w
Autor:
K.R. Udayakumar, Alastair N. Cormack
Publikováno v:
Journal of Physics and Chemistry of Solids. 50:55-60
Atomistic computer simulation techniques have been employed to study the non-stoichiometry of the alkaline earth titanates with excess alkaline earth oxides. The experimental observations that apparently different mechanisms exist for this non-stoich
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7fe5397325d4b5c4899b0006bcbe3eea
https://doi.org/10.1016/0022-3697(89)90473-3
https://doi.org/10.1016/0022-3697(89)90473-3