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Publications Theses: 1985 Ph.D. Thesis, “Nonequilibrium Behavior of the Dynamic Resistive Transition in Superconducting Thin Films,” Advised by Thomas Hsiang, University of Rochester. 1980 B.A.Sc. Thesis, “Optical Modulation in Communications,” Advised by Boris Stoicheff, University of Toronto. Patents: 1. “Uncooled YBaCuO Thin Film Infrared Detector”, by Donald P. Butler, Zeynep Çelik-Butler, and Pao-Chuan Shan, US Patent #5,572,060. Issued 5 Nov. 1996. 2. “Amorphous YBaCuO Thin Film Infrared Bolometer for Uncooled Infrared Detection”, by Donald P. Butler, Zeynep Çelik-Butler, and Pao-Chuan Shan, US Patent #5,672,903. Issued 30 Sept. 1997. 3. “Uncooled YBaCuO Thin Film Infrared Detector,” by Donald P. Butler, Zeynep Çelik-Butler, Agha Jahanzeb and Pao-Chuan Shan, US Patent #5821598 issued 13 Oct., 1998. 4. “Uncooled Amorphous YBaCuO Thin Film Infrared Detector” by Donald P. Butler, Zeynep Çelik-Butler, Agha Jahanzeb and Pao-Chuan Shan, US Patent #:5850098, issued 15 Dec., 1998. 5. Canada Serial No. 2,212,002, filed 12/29/95 6. Japan Serial No. 8-523521, filed 12/19/95 7. European Serial No. 95944126.2, filed 12/29/95, designating: France, Great Britain, Germany, Ireland, Netherlands. 8. “Thin Flexible Sensor,” U.S. Provisional Patent Application, Serial No.: 60/944,479, Filing Date: June 15, 2007, by Zeynep Celik-Butler and Donald P. Butler Books and Book Chapters: 1. Z. Çelik-Butler and D.P. Butler, “Uncooled IR Detector Arrays,” Invited, Wiley Encyclopedia of Electrical and Electronics Engineering, 1998 Edition, Editor: John G. Webster. ISBN: 0-471-13946-7. 2. D. P. Butler, Z. Çelik-Butler and Roman Sobolewski, “Yttrium Barium Copper Oxide as an Infrared Sensing Material.” Invited, Handbook of Advanced Electronic and Photonic Materials, by Academic Press, 2000, Editor: H. S. Nalwa, ISBN:0-12-513745-1. 3. Z. Çelik-Butler and D.P. Butler, “Uncooled IR Detector Arrays,” Invited, Engineering Superconductivity, Peter J. Lee Editor, Wiley-Interscience, 2001, ISBN 0-471-41116-7. 4. R. Sobolewski and D.P. Butler, Invited, “Infrared Optical Sensors”, Chap. 5.2 in Handbook of Superconducting Materials, D. Cardwell and D. Ginley, Editors-in-chief, Institute of Physics, Bristol, UK, BS1 6BE, 2002, ISBN: 0-750-30432-4. 5. Zeynep Celik-Butler and Donald P. Butler, “Smart Skin,” 2007 Yearbook of Science and Technology, McGraw-Hill. 6. Zeynep Celik-Butler and Donald P. Butler, “Smart Skin: Multifunctional Sensor Arrays on Flexible Substrates,” Encyclopedia of Nanoscience and Nanotechnology, Edited by H.S. Nalwa, American Scientific Publishing. (to be published) Journal Publications: 1. “Transient Response of Tin Microstrips to Supercritical Current Pulses,” by D.P. Butler, T.Y. Hsiang, and G.A. Mourou, IEEE Trans. on Magnetics MAG-19, 644 (1983). 2. “Picosecond Pulse Generation Capability of Optically Driven Superconducting Thin Films,” by R. Sobolewski, C.V. Stancampiano, G. Mourou, and D. Butler, Phys. Stat. Sol. (a) 83, K203 (1984). 3. “Transient Relaxation of the Normal State Resistance of Tin Microstrips in the Presence of Current Bias,” by D.P. Butler, T.Y. Hsiang, and G.A. Mourou, J. of Low Temp. Phys. 61, 69 (1985). 4. “Dynamics of the Intermediate State in Nonequilibrium Superconductors,” by R. Sobolewski, D.P. Butler, T.Y. Hsiang, C.V. Stancampiano, and G.A. Mourou, Phys. Rev. B 33, 4604 (1986). 5. “Phase-slip States in the Normal-Superconducting Relaxation of Current Biased Microstrips,” by D.P. Butler and T.Y. Hsiang, J. of Low Temp. Phys. 66, 379 (1987). 6. “Dielectric Waveguide with YBa2Cu3O6+x Boundary Layer at 94 GHz,” by C.-L. Huang, D.P. Butler, and J. K. Butler, J. of Appl. Phys. 67 (6), 3194 (1990). 7. “Dielectric Waveguide Resonator with a Superconductive Boundary Layer,” by C.-L. Huang and D. P. Butler, IEEE Trans. on Magn. MAG-27, 1272, (1991). 8. “Fabrication and Electrical Characterization of NbN-Interfacial Layer-Si Contact Diodes,” by S. Wu and D. P. Butler, IEEE Trans. on Magn. MAG-27, 3276, (1991). 9. “Measurements of Noise and Temperature Coefficient of Resistance on YBa2Cu3O7-d Thin Films in Magnetic Field,” by Z. Çelik-Butler, W. Yang, and D. P. Butler, Appl. Phys. Lett. 60, 246, (1992). 10. “Conversion Loss of a YBa2Cu3O7 Grain Boundary Mixer at 20 Gigahertz,” by D. P. Butler, W. Yang, J. Wang, A. Bhandari, and Z. Çelik-Butler, Applied Physics Letters 61, 333, (1992). 11. “Fabrication of NbN Thin Films by Reactive Sputtering,” by W. N. Maung, D. P. Butler and C.-L. Huang, J. of Vac. Sc. Technol. A 11(3), 615, (1993). 12. “Two-Level Switching Noise in YBa2Cu3O7 Microbridges,” by D. P. Butler, Z. Çelik-Butler, and J. Wang, Solid State Electronics 36, 1507, (1993). 13. “Conversion Gain and Noise of YBa2Cu3O7 Microbridge Weak Links,” by D. P. Butler, J. Wang, A. Bhandari, and Z. Çelik-Butler, IEEE Transactions on Applied Superconductivity 3, 2269, (1993). 14. “Performance of MMIC Components at Cryogenic Temperatures,” by A. Bhandari, D. P. Butler and K. K. Agarwal, Optical and Microwave Technology Letters 6, 520-525, July, (1993). 15. “Monolithic coplanar strip YBaCuO transmission lines fabricated by the laser-writing patterning technique” by D. P. Butler, W. N. Maung, R. Sobolewski, W. Xiong, and, W. Kula, IEEE Microwave and Guided Wave Letters 4, 132, (1994). 16. “Monolithic Y-Ba-Cu-O structures fabricated using the laser-writing patterning technique” by R. Sobolewski, W. Xiong, W. Kula, W. N. Maung, and D. P. Butler, Superconductor Science and Technology 7, 300, (1994). 17. “Modelling of High-Tc Superconductor Parametric Amplifiers and Mixers”, by J. Wang, D. P. Butler, and Z. Çelik-Butler, Physica C 231, 271, (1994). 18. “Studies and Implications of the Hall Effect in Superconducting and Semiconducting YBa2Cu3O7-d Thin Films,” A. Jahanzeb, Z. Çelik-Butler, P.-C. Shan, and D. P. Butler, J. of Appl. Phys. 78, 6658, (1995). 19. “Semiconducting YBaCuO Thin Films for Uncooled Bolometers,” P.-C. Shan, Z. Çelik-Butler, D.P. Butler and A. Jahanzeb, J. of Appl. Phys. 78, 7334, (1995). 20. “The investigation of semiconducting YBaCuO thin films: A new Room temperature bolometer,” P.C. Shan, Z. Çelik-Butler, D.P. Butler, A. Jahanzeb, C.M. Travers, W. Kula, and R. Sobolewski, J. Appl. Phys. 80, 7118 (1996). 21. “Charge Transport in Amorphous and Tetragonal Semiconducting YBaCuO Films,” Z. Çelik-Butler, P.C. Shan, D.P. Butler, A. Jahanzeb, C.M. Travers, W. Kula, and R. Sobolewski, Solid State Electronics 41, 895 (1997). 22. “Hall-Effect in Semiconducting Epitaxial and Amorphous YBaCuO Thin Films,” A. Jahanzeb, P.C. Shan, D.P. Butler, Z. Çelik-Butler, W. Kula, and R. Sobolewski, J. Appl. Phys. 81, 6866 (1997). 23. “A semiconductor YBaCuO Microbolometer for room temperature IR imaging,” A. Jahanzeb, C. M. Travers, Z. Çelik-Butler, D. P. Butler, and S. G. Tan, IEEE Trans. on Electron Devices ED-44, 1795 (1997). 24. “Fabrication Semiconducting YBaCuO Surface-Micromachined Bolometer Arrays,” C.M. Travers, A. Jahanzeb, D.P. Butler, and Z. Çelik-Butler, IEEE/ASME Journal of Microelectromechanical Systems 6, 271(1997). 25. “Strong Pyroelectric Response in Semiconducting Y-Ba-Cu-O and its application to Uncooled Infrared Detection,” A. Jahanzeb, C.M. Travers, D.P. Butler, Z. Çelik-Butler, and J.E. Gray, Applied Physics Letters 70, 3495 (1997). 26. “Dielectric and Pyroelectric Response in Nb/Semiconducting Y-Ba-Cu-O/Nb Structures,” J.E. Gray, Z. Çelik-Butler, D.P. Butler, and A. Jahanzeb, Ferroelectrics 209, 517 (1998). 27. “Micromachined YBCO capacitor structures as uncooled pyroelectric infrared detectors,” D. P. Butler, Z. Çelik-Butler, A. Jahanzeb, J. E. Gray, and C. M. Travers, J. of Appl. Phys. 84, 1680 (1998). 28. “Semiconducting YBaCuO Pyroelectric Infrared Detectors on Suspended Si3N4 Films,” J.E. Gray, D.P. Butler, and Z. Çelik-Butler, Electronics Letters 34, 2164 (1998). 29. “Pyroelectric Effect in Semiconducting Y-Ba-Cu-O Thin Films under Laser Illumination”, D.P. Butler, Z. Çelik-Butler, R. Adam, and R. Sobolewski, J. Appl. Phys. 85, 1075 (1999). 30. “MgO Sacrificial Layer for Micromachining Uncooled Y-Ba-Cu-O IR Microbolometers,” J.E. Gray, Z. Çelik-Butler, and D.P. Butler, IEEE/ASME Journal of Microelectromechanical Systems 8, 192 (1999). 31. “Cryogenic Performance of Semiconducting Y-Ba-Cu-O for Infrared Detection,” M. Almasri, D.P. Butler, Z. Çelik-Butler, R. Adam, R. Sobolewski, Supercond. Sci. Technol. 12, 751 (1999). 32. “Room Temperature Semiconducting YBaCuO Microbolometers with Titanium Absorber,” A. Yaradanakul, Z. Çelik-Butler, and D.P. Butler, International Journal of Advanced Manufacturing 3, 13 (2000). 33. “Dielectric loss and related noise of pyroelectric modified lead titanate arrays,” V.N. Leonov, D. P. Butler, Z. Çelik-Butler, K. R. Udayakumar, C. M. Hanson, and H. R. Beratan, Solid State Electronics 45, 735 (2001). 34. “Self-supporting uncooled infrared microbolometers with low-thermal mass,” M. Almasri, D.P. Butler, and Z. Çelik-Butler, IEEE/ASME Journal of Microelectromechanical Systems 10, 469 (2001). 35. "Two-color Thermal Detector with Thermal Chopping for Infrared Focal Plane Arrays,” V.N. Leonov and D.P. Butler, Applied Optics 40, 2601 (2001). 36. "Investigation of the Temperature Coefficient of Resistance and Crystallization of YBaCuO Thin Films Using Pulsed Laser Annealing," A. Yildiz, Z. Çelik-Butler, D.P. Butler, and C.-U. Kim, Journal of Vacuum Science and Technology B 20, 548 (2002). 37. "Uncooled Infrared Microbolometers on Flexible Substrates," A. Yaradanakul, Z. Celik-Butler, and D.P. Butler, IEEE Transactions on Electron Devices 49, 930 (2002). 38. "Uncooled Multimirror Broad-Band IR Microbolometers," M. Almasri, Z. Çelik-Butler, D.P. Butler, A. Yaradanakul, and A. Yildiz, IEEE/ASME Journal of Microelectromechanical Systems 11, 528 (2002). 39. “Crystallization and Pyroelectric Effect of Semiconducting YBaCuO Thin Films Deposited at Different Temperatures,” A. Yildiz, D.P. Butler, Z. Celik-Butler, and C.-U. Kim, Journal of Vacuum Science and Technology B 21, pp. 837-842 (2003). 40. “Microbolometers on a Flexible Substrate for Infrared Detection,” A. Yildiz, Z. Çelik-Butler, and D.P. Butler, IEEE Sensors Journal 4, pp. 112-117 (2004). 41. “Flexible microbolometers promise smart fabrics with embedded sensors,” A. Mahmood, D. Butler, and Z. Celik-Butler, Laser Focus World 40, pp.99-103 April 2004. (invited) 42. Shadi A. Dayeh, Donald P. Butler, and Zeynep Celik-Butler, “Micromachined infrared bolometers on flexible polyimide substrates,” Sensors and Actuators A 118, pp. 49-56 (2005). Erratum: Sensors and Actuators A 125, pp. 597-598 (2006). 43. Mukti M. Rana and Donald P. Butler, “RF Sputtered SixGe1-x and SixGe1-xOy Thin Films For Uncooled Infrared Detectors,” Thin Solid Films 514, pp. 355-360 (2006). 44. Viniyak Sharmana, Sharmita Das, Zeynep Celik-Butler, and Donald P. Butler, “Micromachined integrated pressure-thermal sensors on flexible substrates,” Journal of Micromechanics and Microengineering 16, pp. 1984-1992 (2006). 45. Aamer Mahmood, Donald P. Butler, and Zeynep Celik-Butler, “Micromachined bolometers on polyimide,” Sensors and Actuators A 132, pp. 452-459 (2006). 46. Zeynep Celik-Butler and Donald P. Butler, “Flexible Sensors – A Review,” Journal of Nanoelectronics and Optoelectronics 1, pp. 194-202(9) (2006). 47. Aamer Mahmood, Donald P. Butler, Zeynep Celik-Butler, “Device-level vacuum-packaging scheme for microbolometers on rigid and flexible substrates,” IEEE Sensors Journal 7, pp. 1012-1019 (2007). 48. Sandeep Kumar, Murali M. Chitteboyina, and Donald P. Butler, “Fabrication of CMOS compatible semiconducting Y-Ba-Cu-O uncooled infrared microbolometer arrays,” Journal of Vacuum Science and Technology B 25, pp.1315-1320 (2007). 49. Mukti M. Rana and Donald P. Butler, “High Responsivity a-Si1-xGexOy Microbolometers,” IEEE Sensors Journal 7, pp. 1413-1419 (2007). 50. Murali Chitteboyina and Donald P. Butler, “Tunable Infrared Microspectrometer Based upon Bragg Grating,” IEEE Journal of Quantum Electronics 44, pp. 182-184 (2008). 51. Mukti M. Rana and Donald P Butler, “Noise Reduction of a-Si1-xGexOy Microbolometers by Forming Gas Passivation,” Thin Solid Films 516, pp. 6499-6503 (2008). Electronic Publications: 1. “Room Temperature Operation of a YBaCuO Microbolometer,” Z. Çelik-Butler, D. P. Butler, A. Jahanzeb, C. M. Travers, J. E. Gray, SPIE CD-ROM series, Vol 1: Infrared Technology. edited by Dr. Glenn D. Boreman, 1998. 2. “IR Detection at Room Temperature Using Semiconducting YBaCuO,” D. P. Butler, A. Jahanzeb, P. C. Shan, C. M. Travers, Z. Çelik-Butler, SPIE CD-ROM series, Vol 1: Infrared Technology. edited by Dr. Glenn D. Boreman, 1998. 3. "Investigation of the Temperature Coefficient of Resistance and Crystallization of YBaCuO Thin Films Using Pulsed Laser Annealing," A. Yildiz, Z. Çelik-Butler, D.P. Butler, and C.-U. Kim, Virtual Journal of Applications of Superconductivity, 1 April 2002. 4. “Crystallization and Pyroelectric Effect of Semiconducting YBaCuO Thin Films Deposited at Different Temperatures,” A. Yildiz, D.P. Butler, Z. Celik-Butler, and C.-U. Kim, Virtual Journal of Applications of Superconductivity, 1 April 2003. 5. Sandeep Kumar, Murali M. Chitteboyina, and Donald P. Butler, “Fabrication of CMOS compatible semiconducting Y-Ba-Cu-O uncooled infrared microbolometer arrays,” Virtual Journal of Applications of Superconductivity, 1 August 2007. Refereed Conference Papers: (These papers require review and acceptance by experts in the field) 1. “Transient Response of Tin Microstrips to Supercritical Current Pulses,” by D. P. Butler, T. Y. Hsiang, and G. A. Mourou, 1982 Applied Superconductivity Conference, Knoxville, Tenn., November, 1982. 2. “Generirovanje pikosekundnych elektriczeskich impulsov w tonkich swerchprowodjaszczich pljonkach opticzeskoj,” (in Russian) (“Picosecond electrical pulse generation in optically pumped superconducting thin films”), by R. Sobolewski, C.V. Stancampiano, and D. Butler, Proceedings of XXI International Conference on Low Temperature Physics and Techniques, Warna, Bulgaria, 1983, p.293. 3. “Fabrication of High-Tc Superconductor YBaCuO Thin Films by Sputter Deposition from a Single Powder Target,” by S. K. Dubey and D. P. Butler, presented at The Electrochemical Society - American Vacuum Society 8th Annual Symposium on Electronic Materials, Processing and Characterization, Dallas, Texas, June 5-6, 1989. 4. “Fabrication and Characterization of Nb-Si Schottky Contact Diodes,” by Songjian Wu and D. P. Butler, Presented at The Electrochemical Society - American Vacuum Society 9th Annual Symposium on Electronic Materials, Processing and Characterization, Dallas, Texas, June 4-5, 1990. 5. “Fabrication and Patterning of NbN Thin Films by Reactive Sputtering and Plasma Etching,” by W. N. Maung, C.-L. Huang, A. K. Bhandari, T. Nguyen, and D. P. Butler, Presented at The Electrochemical Society - American Vacuum Society 9th Annual Symposium on Electronic Materials, Processing and Characterization, Dallas, Texas, June 4 - 5, 1990. 6. “Dielectric Waveguide Resonator with a Superconductive Boundary Layer,” by C.-L. Huang and D. P. Butler, Presented at the 1990 Applied Superconductivity Conference, Aspen, CO, Sept. 24-28, 1990. 7. “Fabrication and Electrical Characterization of NbN-Interfacial Layer-Si Contact Diodes,” by S. Wu and D. P. Butler, Presented at the 1990 Applied Superconductivity Conference, Aspen, CO, Sept. 24-28, 1990. 8. “Characterization of YBaCuO Thin Films by Low-Frequency Noise Measurements,” by S. Alamgir, W. Yang, J. Wang, Z. Çelik-Butler and D. P. Butler, Presented at the 1990 Applied Superconductivity Conference, Aspen, CO, Sept. 24-28, 1990. 9. “Microwave Characterization of NbN Thin Films,” by C.-L. Huang, W. N. Maung, and D. P. Butler, Presented at The Electrochemical Society - American Vacuum Society 10th Annual Symposium on Electronic Materials, Processing and Characterization, Dallas, Texas, June 2 - 3, 1991. 10. “Characterization of YBaCuO Thin Films by Low-Frequency Noise Measurements,” by S. Alamgir, W. Yang, J. Wang, Z. Çelik-Butler and D. P. Butler, Presented at The Electrochemical Society - American Vacuum Society 10th Annual Symposium on Electronic Materials, Processing and Characterization, Dallas, Texas, June 2 - 3, 1991. 11. “Low-frequency Noise Measurements on YBa2Cu3O7-d Thin Films,” by Z. Çelik-Butler, S. M. Alamgir, W. Yang, J. Wang, and D. P. Butler, Presented at the 1991 International Conference on Noise in Physical Systems and 1/f fluctuations, Kyoto, Japan, November 24-27, 1991. 12. “Fabrication of NbN-AlOx-NbN Josephson Junctions by reactive rf magnetron sputtering,” by W. N. Maung and D. P. Butler, Presented at the 1992 Applied Superconductivity Conference, Chicago, Il, Aug. 23-28, 1992. 13. “Conversion Gain and Noise of YBa2Cu3O7 Microbridge Weak Links,” by D. P. Butler, J. Wang, A. Bhandari, and Z. Çelik-Butler, Presented at the 1992 Applied Superconductivity Conference, Chicago, Il, Aug. 23-28, 1992. 14. “Monolithic Y-Ba-Cu-O Electronic Devices Fabricated using the laser-writing patterning technique” by R. Sobolewski, W. Xiong, W. Kula, W. N. Maung, and D. P. Butler, Proceedings of the 4th International Superconductive Electronics Conference, Boulder, CO, Aug. 11 - 14, 1993. 15. “Microwave Properties of Monolithic Y-Ba-Cu-O Transmission Line Devices Fabricated by the Laser-Writing Technique” by W. N. Maung, D. P. Butler, W. Xiong, W. Kula and R. Sobolewski, Proceedings of the SPIE Symposium on Optoelectronic and Microwave Engineering, edited by R. B. Hammond and R.S. Withers, vol. 2156, pp. 174 - 180, Los Angeles, CA, Jan. 22 - 28, 1993. 16. “Low-Frequency Fluctuations in Semiconducting and Superconducting YBa2Cu3Ox Thin Films,” A. Jahanzeb, P.-C. Shan, Z. Çelik-Butler, and D. P. Butler, Presented at the 13th International Conference on Noise in Physical Systems and 1/f Fluctuations, May 29 - June 2, 1995, Palanga, Lithuania.(Proceedings of the 13th International Conference on Noise in Physical Systems and 1/f Fluctuations, edited by V.Bareikis and R. Katilius, World Scientific Press, 1995, pp. 115-118.) 17. “Semiconducting YBaCuO Films for Room Temperature Bolometric Applications,” A. Jahanzeb, Z. Çelik-Butler, D. P. Butler, and P.-C. Shan, Presented at the 1996 Spring Meeting of the Materials Research Society, April 8 - 12, 1996, San Francisco, CA. 18. “IR Detection at Room Temperature Using Semiconducting YBaCuO,” D. P. Butler, A. Jahanzeb, P.-C. Shan, C. Travers and Z. Çelik-Butler, Presented at the 1996 SPIE International Symposium on Optical Science, Engineering, and Instrumentation, Aug. 4 - 9, 1996. 1996 SPIE Proceedings on Infrared Detectors for Remote Sensing: Physics, Materials, and Devices, Vol. 2816, pp. 46-57 (1996). 19. “Room-temperature Operation of a YBaCuO Microbolometer,” Z. Çelik-Butler, D.P. Butler, C.M. Travers, and A. Jahanzeb, Presented at the SPIE's Optoelectronics '97 Symposium: Photodetectors: Materials and Devices II Conference, Feb. 10 - 14, 1997, San Jose, CA. 1997 Proceedings of the SPIE Photodectors Materials and Devices II, Vol. 2999, pp. 348-356 (1997). 20. “Noise in Semiconducting YBaCuO Microbolometers and its Applications,” Z. Çelik-Butler, A. Jahanzeb, D. P. Butler, and C. Travers, Presented at the 14th International Conference on Noise in Physical Systems and 1/f Fluctuations, ICNF’97, July 14-18, 1997, Leuven, Belgium. 21. “Uncooled Infrared Microbolometers and Pyroelectric detectors using Semiconducting YBaCuO,” J.E. Gray, Z. Çelik-Butler, D.P. Butler, and M. Almasri, Presented at the SPIE 43rd Annual Meeting, The International Symposium on Optical Science, Engineering, and Instrumentation: Infrared Technology and its Applications XXIV, July 19-24, 1998, San Diego, CA. Proceedings of the SPIE Infrared Technology and its Applications XXIV, Vol. 3436, pp. 555-566 (1998). 22. “Cryogenic Performance of Semiconducting Y-Ba-Cu-O for Infrared Detection,” M. Almasri, D.P. Butler, Z. Çelik-Butler, R. Adam, R. Sobolewski, Presented at the International Superconductive Electronics Conference (ISEC'99) Berkeley, CA, June 21-26, 1999. Proceedings of the 7th International Superconductive Electronics Conference, Berkeley, CA, pp. 530-532. 23. “Uncooled Y-Ba-Cu-O detectors based on the pyroelectric and bolometric effects,” Roman Adam, Roman Sobolewski, Zeynep Çelik-Butler and Donald P. Butler, Presented at the 1999 International Workshop on Superconductivity (4th Joint ISTEC/MRS Hawaii Workshop), Kauai, Hawaii, 27-30 June 1999. 24. “Free Standing Amorphous Semiconducting YBaCuO Detectors for Uncooled IR Detection and the Effects of Doping,” M. Almasri, D.P. Butler, and Z. Çelik-Butler, SPIE 44th Annual Meeting, The International Symposium on Optical Science, Engineering, and Instrumentation, Growth and Characterization of Materials for IR Detectors III, 18-23 July 1999, Denver, CO. Proceedings of the SPIE, Vol. 3794, pp. 66-75 (1999). 25. “YBaCuO Microbolometers for Advanced Broad-Band IR and FIR Detection,” D.P. Butler and Z. Çelik-Butler, Presented at Nanospace 2000 - Advancing the Human Frontier, Houston, TX, January 23-28, 2000. 26. “Semiconducting YBaCuO bolometers for uncooled IR detection,” D.P. Butler, M. Almasri, and Z. Çelik-Butler, Presented at the 14th SPIE Annual International Symposium on Aerospace/Defense Sensing, Simulation, and Controls (AEROSENSE): Infrared Detectors and Focal Plane Arrays VI, Orlando, FL, 24-28 April, 2000. Proceedings of the SPIE Vol. 4028, pp. 17-26 (2000). 27. "Cooled and Uncooled Infrared Detectors Based on Yttrium Barium Copper Oxide," (invited) R. Sobolewski, D.P. Butler, and Z. Çelik-Butler, Presented at the 2nd International Conference on Advanced Optical Materials and Devices (ADOM-2), Vilnius, Lithuania, Aug. 16-19, 2000. Proceedings of the SPIE, vol. 4318, pp. 204, 2001. 28. “Uncooled Microbolometers Based on Semiconducting YBaCuO for Broad-Band IR Radiation Detection,” D.P. Butler, Z. Çelik-Butler, M. Almasri, A. Yaradanakul, A. Yildiz, Presented at NanoTech 2000, Houston, TX, Sept. 24-28 2000. 29. "YBaCuO microbolometers for broad-band IR sensing," Z. Çelik-Butler, D. P. Butler, M. Almasri, A. Yardanakul, A. Yildiz, Presented at the SPIE Aerosense, Infrared Technology and Applications XXVII, Orlando, FL, April 2001. SPIE 4369, pp. 264-273 (2001), B.F. Andresen, G.F. Fulop, and M. Strojnik Editors. 30. "Fabrication of Micromachined Devices an Flexible Substrates," A. Yaradanakul, Ali Yildiz, D.P. Butler, and Z. Celik-Butler, Presented at the 2001 Emerging Technologies Symposium on Broadband Communications for the Internet Era, Richardson, TX, 10, 11 Sept. 2001, conference proceedings. 31. “Room-Temperature YBaCuO Infrared Detectors on a Flexible Substrate,” Z. Celik-Butler, D.P. Butler, A. Yildiz, presented at the SPIE Aerosense, Infrared Technology and Applications XXVIII, Orlando, FL, April 2002. SPIE 4721, pp. 260-267 (2002). E.L. Derniak and R.E. Sampson Editors. 32. “Uncooled micromachined bolometer arrays on flexible substrates,” Z. Celik-Butler, D. P. Butler, S. A. Dayeh, and P. Wisian-Neilson, presented at the SPIE Aerosense, Infrared Technology and Applications XXVIX, Orlando, FL, April 2003. SPIE 5074, pp. 537-547 (2003), B.F. Andersen and G.F. Fulop Editors. 33. “Micromachined Infrared Sensor Arrays on Flexible Polyimide Substrates,” Aamer Mahmood, Shadi Dayeh, Donald P. Butler, and Zeynep Çelik-Butler, 2003 ETTC, Richardson, TX, 26,27 Sept. 2003. 34. Aamer Mahmood, Shadi A. Dayeh, Donald P. Butler, and Zeynep Celik-Butler, “Micromachined Infrared Sensor Arrays on Flexible Polyimide Substrates,” presented at 2003 IEEE Sensors Conference, Toronto, Canada, 22-24 Oct. 2003. 35. Aasutosh Dave, Aamer Mahmood, Zeynep Celik-Butler, and Donald P. Butler, “Wafer Level self-Packaged Infrared Microsensors,” presented at the SPIE 2004 Defense and Security Symposium: Infrared Technology and Applications XXX, Orlando, FL, April 2004. 36. “RF Sputtered SixGe1-x and SixGe1-xOy Thin Films For Microsensor Applications,” Mukti M. Rana and Donald P. Butler, 2004 IEEE Emerging Technologies Conference, Richardson, Texas, Oct. 8th, 9th, 2004. 37. “Self-Packaged Infrared Microsensors,” A. Dave, A. Mahmood, Z. Çelik-Butler and D. P. Butler, SPIE Defense and Security Symposium; Infrared Technology and Applications XXX, Orlando, FL, 28 Mar. – 1 April, 2005. 38. “Amorphous GexSi1-x and GexSi1-xOy thin films for uncooled infrared microbolometers,” Mukti Rana and Donald P. Butler, SPIE Defense and Security Symposium; Infrared Technology and Applications XXX, Orlando, FL, 28 Mar. – 1 April, 2005. 39. “Device-level vacuum packaged micromachined infrared detectors on flexible substrates,” Aamer Mahmood, Donald P. Butler, and Zeynep Celik-Butler, Presented at the IEEE Sensors Conference, Oct. 31 – Nov. 3 2005, Irvine, CA. 40. “Integration of Y-Ba-Cu-O Microbolometers with CMOS Readout Circuit,” S. Kumar, M. Chitteboyina, D.P. Butler, Presented at 2006 IEEE Emerging Technologies Conference, Richardson, TX 15-16 Sept. 2006. 41. Mukti M. Rana and Donald P Butler, “Amorphous GexSi1-xOy:H Microbolometers with High Responsivity,” Presented at the 2007 IEEE Sensors Conference, Atlanta, GA 28-31 Oct. 2007. 42. Murali Chitteboyina, Donald P. Butler and Zeynep Celik-Butler, “Vacuum packaged rf MEMS resonator,” Presented at 2007 TECHCON, 10-14 Sept. 2007, Austin, TX. 43. Non-Refereed Conference Papers:
44. “Picosecond Phenomena in Nonequilibrium Superconductors,” by D.P. Butler, R.S. Sobolewski, C.V. Stancampiano, and G.A. Mourou, Presented at the IEEE Electron Device Activities in Western New York Conference, Rochester, N.Y., 6 October, 1981. 45. “Transient Normal-Superconducting Relaxation in the Presence of Current Bias,” by D.P. Butler, T.Y. Hsiang, and G.A. Mourou, March Meeting of the American Physical Society, Detroit, Mich., 26-30 March, 1984, Bulletin of the American Physical Society 29, 522 (1984). 46. “TDGL Calculation for the Relaxation of the Resistive State Excited by Supercritical Current Pulses in Superconducting Filaments,” by D.P. Butler and T.Y. Hsiang, March Meeting of the American Physical Society, Las Vegas, Nev. 31 March-4 April, 1986, Bulletin of the American Physical Society 31, 239 (1986). 47. “The Intermediate State in Optically Perturbed Superconducting Thin Films,” by R. Sobolewski, D.P. Butler, and T.Y. Hsiang, March Meeting of the American Physical Society, Las Vegas Nev., 31 March-4 April, 1986, Bulletin of the American Physical Society 31, 1105 (1986). 48. “Millimeter Wave Properties of YBa2Cu3O6+x,” by C. L. Huang, D. P. Butler, J. K. Butler and M. W. Scott, 1989 March Meeting of the American Physical Society, St. Louis, Mo., 20-25 March, 1989, Bulletin of the American Physical Society 34, 647 (1989). 49. “TDGL Surface Impedance of Superconductors,” by S. K. Dubey and D. P. Butler, Presented at the 1990 March Meeting of the American Physical Society, Anaheim, CA, 12-16 March, 1990. Bulletin of the American Physical Society 35, 529, (1990). 50. “YBaCuO Thin Films by rf Sputtering from a Sintered Powder Target,” by D. P. Butler and S. K. Dubey, Presented at the 1990 March Meeting of the American Physical Society, Anaheim, CA, 12-16 March, 1990. Bulletin of the American Physical Society 35, 384, (1990). 51. “Microwave mixing with YBa2Cu3O7 Microbridges,” by D. P. Butler, J. Wang, A. Bhandari, and Z. Çelik-Butler, Presented at the 1992 Joint Spring Meeting of the Texas Sections of AAPT, APS, and Zone 13 SPS, San Marcos, TX, March 6-7, 1992. Bulletin of the American Physical Society 37, 1901, 1992. 52. “Frequency Conversion with High-Tc Superconducting Microbridges,” by J. Wang, D. P. Butler, and Z. Çelik-Butler, Presented at the 1993 March Meeting of the American Physical Society, Seattle, WA, Mar. 22-26, 1993. Bulletin of the American Physical Society 38, 688, (1993). 53. “Dielectric Constant of Semiconducting YBa2Cu3O6+x at Microwave Frequencies,” by W. N. Maung, D. P. Butler, W. Xiong, W. Kula and R. Sobolewski, Presented at the 1993 March Meeting of the American Physical Society, Seattle, WA, Mar. 22-26, 1993. Bulletin of the American Physical Society 38, 689, (1993). 54. “Self-Supporting Semiconducting YBaCuO Uncooled IR Detectors,” M. Almasri, D.P. Butler and Z. Çelik-Butler, Presented at the 2nd TEXMEMs Workshop, Dallas, TX 16 May, 2000. 55. “Semiconducting YBaCuO Microbolometers with Titanium Absorber,” A. Yaradanakul, Z. Çelik-Butler, and D.P. Butler, Presented at the 2nd TEXMEMs Workshop, Dallas, TX 16 May, 2000. 56. “Multi-color uncooled thermal focal plane array with thermal MEM-chopping,” V. N. Leonov, Z. Çelik-Butler, and D.P. Butler, Presented at the 2nd TEXMEMs Workshop, Dallas, TX 16 May, 2000. 57. "Micromachined Two-Color Microbolometers with Thermal Chopping," (invited) V.N. Leonov and Donald P. Butler, Presented at the IEEE MetroCon 2000 Conference, Arlington, TX, 27 Sept. 2000. 58. "Micromachined Broad-band Y-Ba-Cu-O Bolometers," (invited) Z. Celik-Butler, D.P. Butler, M. Almasri, A. Yarandanakul, and A. Yildez, Presented at the IEEE MetroCon 2000 Conference, Arlington, TX, 27 Sept. 2000. 59. “Uncooled Semiconducting YBaCuO Microbolometers for Visible through FIR Detection” M. Almasri, D.P. Butler, Z. Çelik-Butler, A. Yildiz, and A. Yaradanakul, Presented at TEXMEMs III Workshop, Dallas, TX, 7 June 2001. 60. "Room Temperature Infrared Microbolometers on a Flexible Substrate," A. Yaradanakul, Z. Celik-Butler, and D. P. Butler, Presented at TEXMEMs III Workshop, Dallas, TX. 7 June 2001. 61. “Semiconducting YBaCuO Infrared Microbolometers on a Flexible Substrate,” A. Yildiz, Z. Çelik-Butler, and D. P. Butler, TEXMEMS IV, Lubbock, Texas, July 11th, 2002. 62. “Uncooled Semiconducting YBaCuO Microbolometers on Rough Substrates,” S. Dayeh, D. P. Butler, Z. Çelik-Butler, and Ali Yildiz, TEXMEMS IV, Lubbock, Texas, July 11th, 2002. 63. “Micromachined Infrared Microsensors on a Flexible Substrate,” Shadi A. Dayeh, Zeynep Çelik-Butler and Donald P. Butler, TEXMEMS V, Fort Worth, Texas, May 6th, 2003. 64. “Surface micromachined microbolometers on polyimide substrates,” Aamer Mahmood, Donald P. Butler, and Zeynep Celik-Butler, TEXMEMS V, Fort Worth, Texas, May 6th, 2003. 65. “Integrated Pressure and Infrared Sensors on Flexible Substrates for Smart Skin Applications,” Sharmita Das, Vinayak Shamanna, Zeynep Çelik-Butler and Donald P. Butler, 2004 TEXMEMS, College Station, Texas, Sept. 9th, 2004. 66. “Surface Micromachined Infrared Microsensors with Wafer-Level Encapsulation,” Aasutosh Dave, Zeynep Çelik-Butler and Donald P. Butler, 2004 TEXMEMS, College Station, Texas, Sept. 9th, 2004. 67. “Device level vacuum packaged micromachined microbolometers on flexible substrates,” Aamer Mahmood, Donald P. Butler, and Zeynep Celik-Butler, 2004 TEXMEMS, College Station, Texas, Sept. 9th, 2004. 68. “CMOS Readout Circuit for Semiconducting YBaCuO Microbolometers,” Murali Chitteboyina, Sandeep Kumar, Donald P. Butler, 2004 TEXMEMS, College Station, Texas, Sept. 9th, 2004. 69. “SixGe1-x and SixGe1-xOy Thin Films for Microbolometer Applications,” Mukti M. Rana and Donald P. Butler, 2004 TEXMEMS, College Station, Texas, Sept. 9th, 2004. 70. “Uncooled Si0.135Ge0.85O0.015:H Microbolometers,” M.M. Rana and D.P. Butler, 2006 TEXMEMS, Richardson, Texas, Oct. 9th, 2006. 71. “Integration of Y-Ba-Cu-O Microbolometers with CMOS Readout Circuit,” S. Kumar, M. Chitteboyina, D.P. Butler, 2006 TEXMEMS, Richardson, Texas, Oct. 9th, 2006. 72. “Piezoresistive Pressure Sensor on Flexible Substrate,” S.K. Patil, Z Celik-Butler and D.P. Butler, 2006 TEXMEMS, Richardson, Texas, Oct. 9th, 2006. 73. “Self-Packaged MEMS,” Z. Celik-Butler, D. P. Butler, and A. Mahmood, 2006 TEXMEMS, Richardson, Texas, Oct. 9th, 2006. Significant Invited Seminars and Presentations: 1. Optical Control of Superconductive Microwave Transmission Line Filters, invited presentation at the National Science Foundation Emerging Technologies Meeting, Phoenix, AZ, June 1988. 2. High Frequency Applications of Superconductors , invited presentation at the Jan. 1989 Meeting of the Dallas Chapter of the IEEE Electron Device Society. 3. High Frequency Applications of Superconductors, Departmental Seminar, Dept. of Electrical Engineering, University of Texas at Arlington, Arlington, TX, Feb. 8, 1989. 4. Superconductivity and its Applications, invited presentation at the 1989 IEEE Region 5 Meeting, Dallas, TX, 22-23 April 1989. 5. Sputter Deposition of YBaCuO Thin Films from a Single Sintered Powder Target, invited presentation at the Texas Research Seminar, Dallas, TX, 24-25 April 1989. 6. Microwave Aspects of Superconductivity, invited presentation at the Apr. 1991 Meeting of the Dallas Chapter of the IEEE Microwave Theory and Techniques Society, Dallas, TX, 25 Apr. 1991. 7. High-Tc Microbridge Mixers, invited presentation at the 3rd International Symposium on Recent Advances in Microwave Technology, Workshop on Microwave Applications of Superconductors, Aug. 18-21, Reno, NV, 1991. 8. Superconductivity in Microwave Applications invited presentation at the Feb. 1993 Meeting of the Dallas Chapter of the IEEE Microwave Theory and Techniques Society, Dallas, TX, 23 Feb., 1993. 9. The Other YBaCuO's and Their Applications, invited presentation at the 18 Oct. 1995 University of Texas at Dallas Physics Colloquium, Dallas, TX. 10. Uncooled Infrared Detection with Semiconducting YBaCuO, invited presentation at Midwest Superconductivity, Lawrence, KS, 23 February, 1998. 11. Uncooled Infrared Detection with Semiconducting YBaCuO, invited presentation at the Laboratory for Laser Energetics, University of Rochester, Rochester, NY, June 16, 1998. 12. Semiconducting YBaCuO Bolometers and Pyroelectric Detectors, invited presentation at Raytheon-TI Systems, Dallas, TX, 29 January, 1999. 13. Uncooled Infrared Detection with Semiconducting YBaCuO, invited presentation at the IEEE MetroCon '99/OptoElectroMechanical Conference, Ft. Worth, TX, 22 April 1999. 14. Micromachined Semiconducting Y-Ba-Cu-O Infrared Detectors, invited presentation at the Advanced Imaging Sensors Workshop, sponsored by DARPA, 16 March 1999, Washington, DC. 15. Uncooled Infrared Detection with Semiconducting Y-Ba-Cu-O, invited presentation at the Sept. 1999 Meeting of the Dallas Chapter of the IEEE Electron Device Society. 16. Uncooled Infrared Detection with Micromachined Detectors, invited presentation at the Feb. 9, 2000 Meeting of the Dallas ASME. 17. Nanocrystalline YBaCuO and Its Application to Uncooled Infrared Detection, invited presentation at the Joint Materials Science and Physics Colloquium at the University of North Texas, Denton, TX, March 7, 2000. 18. Uncooled Infrared Detection with Micromachined Detectors, invited presentation (ED Distinguished Lecture) at the Joint Meeting of the Toronto Chapters of the IEEE Electron Device Society and Lasers and Electrooptics Society, 17 July 2000, Toronto, Ontario, Canada. 19. Uncooled Infrared Detection with Y-Ba-Cu-O Microbolometers, invited presentation (ED Distinguished Lecture) at the May. 2001 Meeting of the Dallas Chapter of the IEEE Electron Device Society. 20. Uncooled Infrared Detectors, invited presentation (ED Distinguished Lecture) at the October 2002 Meeting of the Maine Chapter of the IEEE Electron Device Society. Papers Under Review and in Preparation:
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