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Showing results 1-50 of 157
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2023
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1. |
Li, Jinglun; Ouro-Koura, Habilou; Arnow, Hannah; Nowbahari, Arian; Galarza, Matthew; Obispo, Meg; Tong, Xing; Azadmehr, Mehdi; Halvorsen, Einar; Hella, Mona M.; Tichy, John A.; Borca-Tasciuc, Diana-Andra. Broadband Vibration-Based Energy Harvesting for Wireless Sensor Applications Using Frequency Upconversion. Sensors 2023 ;Volume 23.(11) p. - USN
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2. |
Mansoori, Amirfereydoon; Hoff, Lars; Salmani, Hamed; Halvorsen, Einar. Electrode Design Based on Strain Mode Shapes for Configurable PMUTs. IEEE Open Journal of Ultrasonics, Ferroelectrics, and Frequency Control Society (OJUFFC) 2023 ;Volume 3. p. 88-100 USN
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2022
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3. |
Abdelmeguid, Mahmoud Ahmed Farghaly; Kartashov, Vladimir; Akram, Muhammad Nadeem; Halvorsen, Einar. Electromechanical modelling of piezoelectrically actuated MEMS tunable lenses with geometric nonlinearity. Journal of Intelligent Materials Systems and Structures 2022 ;Volume 33.(1) p. 17-32 USN
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Mansoori, Amirfereydoon; Hoff, Lars; Salmani, Hamed; Halvorsen, Einar. An Efficient Electrode Optimization Method for Multi-Frequency PMUTs. Proceedings - IEEE Ultrasonics Symposium 2022 p. - USN
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5. |
Mansoori, Amirfereydoon; Hoff, Lars; Salmani, Hamed; Halvorsen, Einar. An Efficient Electrode Optimization Method for Multi-Frequency PMUTs. IEEE IUS International Ultrasonics Symposium 2022; 2022-10-10 - 2022-10-13 USN
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6. |
Salmani, Hamed; Bodo, Elisabetta; Hanke, Ulrik; Vogl, Andreas; Jain, Shruti; Merlo, Sabina; Halvorsen, Einar. Modal analysis of piezoelectrically actuated plates with built-in stress by computationally augmented interferometric experiments. Sensors and Actuators A-Physical 2022 ;Volume 337. p. - USN SINTEF
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2021
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7. |
Lu, Pai; Chen, Xuyuan; Øhlckers, Per; Halvorsen, Einar; Hoffmann, M; Muller, Lutz. DRIE Si Nanowire Arrays Supported Nano-Carbon Film for Deriving High Specific Energy Supercapacitors On-Chip. Journal of Physics: Conference Series (JPCS) 2021 ;Volume 1837. p. - USN
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8. |
Salmani, Hamed; Hanke, Ulrik; Halvorsen, Einar. Competing anticlastic and piezoelectric deformation at large deflections. Smart materials and structures (Print) 2021 ;Volume 30. p. - USN
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2020
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9. |
Abdelmeguid, Mahmoud Ahmed Farghaly. Modeling and design of piezoelectrically actuated MEMS tunable lenses. Horten: University of South-Eastern Norway 2020 (ISBN 978-82-7860-443-4) 176 p. USN
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10. |
Ræder, Trygve Magnus; Hanke, Ulrik; Halvorsen, Einar; Grande, Tor. A unified approach for the calculation of in-plane dielectric constant of films with interdigitated electrodes. Smart materials and structures (Print) 2020 ;Volume 29.(11) p. - NTNU USN
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11. |
Ta, Bao Quoc; Halvorsen, Einar. Vibration-powered pressure sensor. I: 2019 19th International Conference on Micro and Nanotechnology for Power Generation and Energy Conversion Applications (PowerMEMS). IEEE 2020 ISBN 978-1-7281-5638-5. p. 1-6 USN
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12. |
Zhaksylyk, Yelzhas; Halvorsen, Einar; Hanke, Ulrik; Azadmehr, Mehdi. Analysis of Fundamental Differences between Capacitive and Inductive Impedance Matching for Inductive Wireless Power Transfer. Electronics 2020 ;Volume 9.(3) p. 1-14 USN
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2019
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13. |
Lu, Pai; Chen, Xuyuan; Ohlckers, Per; Halvorsen, Einar; Hoffmann, Martin; Müller, Lutz. DRIE Si Nanowire Arrays Supported Nano-Carbon Film for Deriving High Specific Energy Supercapacitors On-Chip. 30th Micromechanics and Microsystems Europe workshop; 2019-08-18 - 2019-08-20 USN
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14. |
Truong, Binh Duc; Le, Phu Cuong; Halvorsen, Einar. Analysis of MEMS electrostatic energy harvesters electrically configured as voltage multipliers. AEU - International Journal of Electronics and Communications 2019 ;Volume 107. p. 125-136 USN
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15. |
Truong, Binh Duc; Le, Phu Cuong; Halvorsen, Einar. On the lateral instability analysis of MEMS comb-drive electrostatic transducers. Sensors 2019 ;Volume 19.(17) p. - USN
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2018
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16. |
Amri, Mohamed; Basset, Philippe; Galayko, Dimitri; Cottone, Francesco; Halvorsen, Einar; Nguyen, Duy Son; Najar, Fehmi; Bourouina, Tarik. Stiffness control of a nonlinear mechanical folded beam for wideband vibration energy harvesters. TM. Technisches Messen 2018 ;Volume 85.(9) p. 553-564 USN
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17. |
Farghaly, Mahmoud A.; Hanke, Ulrik; Akram, Muhammad Nadeem; Halvorsen, Einar. Trial functions for reduced-order models of piezoelectrically actuated microelectromechanical systems tunable lenses. Optical Engineering: The Journal of SPIE 2018 ;Volume 57.(9) p. - USN
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18. |
Halvorsen, Einar. Electrostatic energy harvesters and fundamental limits to power. Journal of Physics: Conference Series (JPCS) 2018 ;Volume 1052.(1) p. 1-3 USN
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19. |
Le, Phu Cuong; Halvorsen, Einar. Electrode optimization of an electret-based vibration generator in slot-effect configuration. Journal of Physics: Conference Series (JPCS) 2018 ;Volume 1052.(1) p. - USN
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20. |
Nguyen, Cuong Hung; Hanke, Ulrik; Halvorsen, Einar. Actuation of Piezoelectric Layered Beams with d31 and d33 Coupling. IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control 2018 ;Volume 65.(5) p. 815-827 USN
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21. |
Nguyen, Cuong Hung; Hanke, Ulrik; Halvorsen, Einar. Constitutive Equations of Piezoelectric Layered Beams with Interdigitated Electrodes. IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control 2018 ;Volume 65.(9) p. 1680-1694 USN
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22. |
Nguyen, Cuong Hung; Nigon, Robin; Ræder, Trygve Magnus; Hanke, Ulrik; Halvorsen, Einar; Muralt, Paul. Probing-models for interdigitated electrode systems with ferroelectric thin films. Journal of Physics D: Applied Physics 2018 ;Volume 51.(17) p. - USN
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23. |
Truong, Binh Duc; Le, Phu Cuong; Halvorsen, Einar. Comparative performance of voltage multipliers for MEMS vibration-based energy harvesters. Journal of Physics: Conference Series (JPCS) 2018 ;Volume 1052. p. 1-5 USN
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24. |
Truong, Binh Duc; Le, Phu Cuong; Halvorsen, Einar; Roundy, Shad. Power-electronic-interface topology for MEMS energy harvesting with multiple transducers. Journal of Physics: Conference Series (JPCS) 2018 ;Volume 1052.(1) p. - USN
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25. |
Wild, Marcus Sebastian; Bring, Martin; Halvorsen, Einar; Hoff, Lars; Hjelmervik, Karina Bakkeløkken. The challenge of distinguishing mechanical, electrical and piezoelectric losses. Journal of the Acoustical Society of America 2018 ;Volume 144.(4) p. 2128-2134 USN
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2017
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26. |
Abdelmeguid, Mahmoud Ahmed Farghaly; Akram, Muhammad Nadeem; Halvorsen, Einar. Optical performance of piezoelectrically actuated MEMS tunable lenses with various pupil geometries. Optical Engineering: The Journal of SPIE 2017 ;Volume 56.(3) USN
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27. |
Elliot, Alwyn D.T.; Miller, Lindsay M.; Halvorsen, Einar; Wright, Paul K.; Mitcheson, P.D.. Comparison between MEMS and Meso Scale Piezoelectric Energy Harvesters. I: 7th Forum on New Materials: Part D. Trans Tech Publications 2017 ISBN 978-3-0357-1123-3. p. 109-114 USN
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28. |
Kaur, Sukhdeep; Halvorsen, Einar. Parameter sensitivity of an in-plane gap closing electrostatic energy harvester with end-stop impacts. Journal of Intelligent Materials Systems and Structures 2017 ;Volume 28.(12) p. 1640-1650 USN
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29. |
Le, Cuong Phu; Halvorsen, Einar. Equivalent-circuit models for electret-based vibration energy harvesters. Smart materials and structures (Print) 2017 ;Volume 26.(8) p. - USN
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30. |
Lu, Pai; Du, Kang; Ohlckers, Per; Halvorsen, Einar; Müller, Lutz; Leopold, Steffen; Hoffmann, Martin; Grigoras, Kestutis; Ahopelto, Jouni; Prunnila, Mika; Chen, Xuyuan. Silicon grass based nano functional electrodes for MEMS supercapacitors of improved energy density. IEEE conference proceedings 2017 (ISBN 978-1-5386-2732-7) 4 p. USN
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31. |
Lu, Pai; Halvorsen, Einar; Chen, Xuyuan; Muller, Lutz; Leopold, Steffen; Hoffmann, Martin; Grigoras, Kestutis; Ahopelto, Jouni; Mika, Prunnila; Øhlckers, Per. Ternary Composite Si/TiN/MnO2 Nanostructure Array for On-Chip Supercapacitors with Improved Energy Density. 23nd World Smart Systems & MicroMachine Summit 2017; 2017-05-15 - 2017-05-17 USN NTNU
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32. |
Lu, Pai; Halvorsen, Einar; Øhlckers, Per; Muller, Lutz; Leopold, Steffen; Hoffmann, Martin; Grigoras, Kestutis; Ahopelto, Jouni; Prunnila, Mika; Chen, Xuyuan. Ternary composite Si/TiN/MnO2 taper nanorod array for on-chip supercapacitor. Electrochimica Acta 2017 ;Volume 248. p. 397-408 USN
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33. |
Nguyen, Cuong Hung; Abdelmeguid, Mahmoud Ahmed Farghaly; Akram, Muhammad Nadeem; Hanke, Ulrik; Halvorsen, Einar. Electrode configurations for layered-plate piezoelectric micro-actuators. Microelectronic Engineering 2017 ;Volume 174. p. 59-63 USN
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34. |
Sandvand, Åsmund; Halvorsen, Einar; Aasmundtveit, Knut Eilif; Jakobsen, Henrik. Identification and Elimination of Hygro-Thermo-Mechanical Stress-Effects in a High-Precision MEMS Pressure Sensor. Journal of microelectromechanical systems 2017 ;Volume 26.(2) p. 415-423 USN
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35. |
Sandvand, Åsmund; Halvorsen, Einar; Jakobsen, Henrik. In Situ Observation of Metal Properties in a Piezoresistive Pressure Sensor. Journal of microelectromechanical systems 2017 ;Volume 26.(6) p. 1381-1388 USN
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36. |
Truong, Binh Duc; Le, Cuong Phu; Halvorsen, Einar. Analysis of Electrostatic Energy Harvesters Electrically Configured as Bennet's Doublers. IEEE Sensors Journal 2017 ;Volume 17.(16) p. 5180-5191 USN
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37. |
Truong, Binh Duc; Le, Cuong Phu; Halvorsen, Einar. Analysis of Power Electronic Interface for Capacitive MEMS Energy Harvesters. I: Proceedings 2017 First New Generation of CAS NGCAS 2017 6-9 September 2017 Genova, Italy. IEEE 2017 ISBN 978-1-5090-6447-2. p. 173-176 USN
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38. |
Truong, Binh Duc; Le, Cuong Phu; Halvorsen, Einar. Parameter identification from frequency response of MEMS energy harvesters. Proceedings of SPIE, the International Society for Optical Engineering 2017 ;Volume 10246. p. - USN
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39. |
Wang, Xiang; Chen, Changsong; Wang, Na; San, Haisheng; Yu, Yuxi; Halvorsen, Einar; Chen, Xuyuan. A frequency and bandwidth tunable piezoelectric vibration energy harvester using multiple nonlinear techniques. Applied Energy 2017 ;Volume 190. p. 368-375 USN
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2016
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40. |
Abdelmeguid, Mahmoud Ahmed Farghaly; Akram, Muhammad Nadeem; Halvorsen, Einar. Modeling framework for piezoelectrically actuated MEMS tunable lenses. Optics Express 2016 ;Volume 24.(25) p. 28889-28904 USN
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41. |
Le, Cuong Phu; Halvorsen, Einar. MEMS electrostatic influence machines. Journal of Physics: Conference Series (JPCS) 2016 ;Volume 773.(1) p. - USN
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42. |
Le, Cuong Phu; Renaud, Michael; Halvorsen, Einar. Equivalent-circuit model for slot-effect configuration of an electret-based generator. Journal of Physics: Conference Series (JPCS) 2016 ;Volume 773.(1) p. - USN
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43. |
Miller, Lindsay M.; Elliott, Alwyn D T; Mitcheson, P.D.; Halvorsen, Einar; Paprotny, Igor; Wright, Paul K.. Maximum Performance of Piezoelectric Energy Harvesters When Coupled to Interface Circuits. IEEE Sensors Journal 2016 ;Volume 16.(12) p. 4803-4815 USN
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44. |
Nguyen, Cuong Hung; Farghaly, MA; Hanke, Ulrik; Akram, Muhammad Nadeem; Halvorsen, Einar. Electrode configurations for layered-plate piezoelectric micro-actuators. Micro and Nano Engineering Conference; 2016-09-19 - 2016-09-23 USN
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45. |
Nguyen, Cuong Hung; Hanke, Ulrik; Halvorsen, Einar. Comparison of microactuators based on piezoelectric layered plates with d31 and d33 coupling. Proceedings of SPIE, the International Society for Optical Engineering 2016 ;Volume 9799. p. - USN
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46. |
Su, Binbin; Chen, Xuyuan; Halvorsen, Einar. Graphene synthesized on porous silicon for active electrode material of supercapacitors. Journal of Physics: Conference Series (JPCS) 2016 ;Volume 773.(1) p. - USN
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47. |
Truong, Binh Duc; Le, Cuong Phu; Halvorsen, Einar. Power optimization and effective stiffness for a vibration energy harvester with displacement constraints. Journal of Micromechanics and Microengineering (JMM) 2016 ;Volume 26.(12) p. - USN
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48. |
Yang, Zhaochu; Dong, Tao; Jensen, Atle; Halvorsen, Einar. Integratable Capacitive Sensor for Identification of Microfluidic Two-Phase Flow Patterns in Lab-on-Chip Devices. Journal of microelectromechanical systems 2016 ;Volume 25.(1) p. 197-206 USN UiO
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2015
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49. |
Elliott, A.D.T.; Miller, L.M.; Halvorsen, Einar; Wright, P.K.; Mitcheson, P.D.. Which is better, electrostatic or piezoelectric energy harvesting systems?. Journal of Physics: Conference Series (JPCS) 2015 ;Volume 660. p. - USN
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50. |
Halvorsen, Einar; Litak, Grzegorz. Statistics of a noise-driven elastic inverted pendulum. European Physical Journal : Applied physics 2015 ;Volume 70.(1) p. - USN
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