Zobrazeno 1 - 10
of 71
pro vyhledávání: '"Carl H. Mueller"'
Publikováno v:
Chemistry of Materials. 26:4163-4171
We report the first synthesis of step-growth aromatic polyamide (PA) aerogels made using amine end-capped polyamide oligomers cross-linked with 1,3,5-benzenetricarbonyl trichloride (BTC). Isophthaloyl chloride (IPC) or terephthaloyl chloride (TPC) we
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::43852965839020a1dae05f191825bbb7
https://doi.org/10.1021/cm5012313
https://doi.org/10.1021/cm5012313
Autor:
Carl H. Mueller, Frederick W. Van Keuls, Felix A. Miranda, Robert R. Romanofsky, Guru Subramanyam
Publikováno v:
Integrated Ferroelectrics. 112:8-23
We report on the use of patterned ferroelectric films to fabricate proof of concept tunable one-pole microstrip filters with excellent transmission and mismatch/reflection properties at frequencies up to 24 GHz. By controlling the electric field dist
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d8ef61bcd212b57d5f2895c463e61186
https://doi.org/10.1080/10584587.2009.484662
https://doi.org/10.1080/10584587.2009.484662
Publikováno v:
Integrated Ferroelectrics. 100:263-273
Error vector measurements (EVM) are used to investigate whether the nonlinear properties of a ferroelectric coupled microstrip phase shifter (CMPS) impact the quality of a radio frequency (RF) signal that is modulated, transmitted through the ferroel
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2fb6a9203b58c7fdcef850b27edc891e
https://doi.org/10.1080/10584580802543409
https://doi.org/10.1080/10584580802543409
Publikováno v:
Journal of the American Ceramic Society. 91:1864-1868
In this work, we present experimental results on the performance of coupled microstripline phase shifters (CMPS) fabricated using Ba x Sr 1-x TiO 3 (BST) ferroelectric thin films. The CMPS were fabricated using commercially available pulsed laser dep
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::79eda44f7e0c3dca01dc0ba19919747e
https://doi.org/10.1111/j.1551-2916.2007.02235.x
https://doi.org/10.1111/j.1551-2916.2007.02235.x
Autor:
Robert R. Romanofsky, C.L. Kory, F. W. Van Keuls, K.M. Lambert, Felix A. Miranda, Richard Q. Lee, Carl H. Mueller
Publikováno v:
IEEE Transactions on Antennas and Propagation. 56:1236-1241
A small-sized active integrated antenna (AIA), consisting of a transmission feedback oscillator loaded with a microstrip antenna is presented in this paper. The oscillator antenna, which consists of a NEC super low noise high frequency field effect t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d460d54c5649233e65e36c59058d7d2a
https://doi.org/10.1109/tap.2008.922628
https://doi.org/10.1109/tap.2008.922628
Publikováno v:
Thin Solid Films. 496:494-499
We report on the fabrication and performance of pentacene-based split-gate field effect transistors (FETs) on doped Si/SiO2 substrates. Several transistors with split gate structures were fabricated and demonstrated AND logic functionality. The trans
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e23c3754c12fe1283a7937c41d0592c4
https://doi.org/10.1016/j.tsf.2005.08.276
https://doi.org/10.1016/j.tsf.2005.08.276
Autor:
Robert R. Romanofsky, Samuel A. Alterovitz, F. W. Van Keuls, Felix A. Miranda, Carl H. Mueller, Nicholas C. Varaljay
Publikováno v:
Integrated Ferroelectrics. 77:51-62
Many individual tunable ferroelectric-based microwave components have demonstrated excellent performance. However data on the production of many identical devices has been lacking. This paper will present data from NASA Glenn Research Center's fabric
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::87d9fe48570611f753a93d2c197c687e
https://doi.org/10.1080/10584580500414069
https://doi.org/10.1080/10584580500414069
Autor:
Felix A. Miranda, Carl H. Mueller, Fred W. Van Keuls, Guru Subramanyam, Sivaruban Vignesparamoorthy
Publikováno v:
Integrated Ferroelectrics. 50:121-131
The inclusion of voltage-tunable barium strontium titanate (BSTO) thin films into planar band pass filters offers tremendous potential to increase their versatility. The ability to tune the passband so as to correct for minor deviations in manufactur
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8a77530990b2686f0b02f8e29da3b799
https://doi.org/10.1080/10584580215527
https://doi.org/10.1080/10584580215527
Autor:
Fred W. Van Keuls, Samuel A. Alterovitz, Robert R. Romanofsky, Guru Subramanyam, Felix A. Miranda, Carl H. Mueller
Publikováno v:
Integrated Ferroelectrics. 42:131-149
This paper deals with the current status of thin film ferroelectric-based frequency and phase agile microwave devices for communication applications. Researchers around the world have been active in this area for several years, and their results have
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5600482ba9be07bf5e8650edf1e66fa2
https://doi.org/10.1080/10584580210845
https://doi.org/10.1080/10584580210845
Autor:
Carl H. Mueller, Felix A. Miranda, Frederick W. Van Keuls, Robert R. Romanofksy, Samuel D. Alterovitz
Publikováno v:
Integrated Ferroelectrics. 49:171-180
One of the keys to successfully incorporating ferroelectric films into Ku-band (12 to 18 GHz) phase shifters is to establish the composition, microstructure and thickness required to meet the tuning needs, and tailor the film properties to meet these
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2e5e6f876652cc61272b3b982e19aaac
https://doi.org/10.1080/713718356
https://doi.org/10.1080/713718356