Publications
106 results found
Kiziroglou ME, Wright SW, Toh TT, et al., 2012, Heat Storage Power Supply for Wireless Aircraft Sensors, Pages: 472-475
Kiziroglou ME, Yeatman EM, 2012, 17 - Materials and techniques for energy harvesting, Functional Materials for Sustainable Energy Applications, Editors: Kilner, Skinner, Irvine, Edwards, Publisher: Woodhead Publishing, Pages: 541-572, ISBN: 978-0-85709-059-1
Abstract: Energy harvesting, the collection of small amounts of ambient energy to power wireless devices, is a very promising technology for applications where batteries are impractical, such as body sensor networks and inaccessible remote systems. The performance and potential of energy-harvesting devices depend strongly on the performance and specific properties of materials. In this chapter the important properties and potential of materials used in energy-harvesting devices are reviewed. An introduction to the concept of energy harvesting is given with a special discussion on motion energy-harvesting limits. The state of the art of materials for piezoelectric, electrostatic, thermoelectric and electromagnetic harvesting devices is discussed, with emphasis on desired material properties and corresponding available materials. In addition to the materials required in the energy transduction mechanism itself, the performance of mechanical oscillators at small scales is a critical factor in motion energy harvesting. For this reason, material requirements, performance and limitations for the implementation of low-frequency and broadband mechanical oscillators are reviewed in the final section of this chapter.
Ilioudis CV, Kiziroglou ME, 2012, LC Oscillator As An Ultra Simple, Low Power Transmitter For Wireless Sensors
Kiziroglou ME, Samson D, Becker T, et al., 2011, Optimization Of Heat Flow for Phase Change Thermoelectric Harvesters, Seoul, Korea, PowerMEMS, Pages: 454-457
He C, Kiziroglou ME, Yates DC, et al., 2011, A MEMS self-powered sensor and RF transmission platform for WSN nodes, Sensors Journal, IEEE, Vol: 11, Pages: 3437-3445, ISSN: 1530-437X
He C, Kiziroglou ME, Yates DC, et al., 2010, MEMS energy harvester for wireless biosensors, Pages: 172-175
Kiziroglou ME, Yates DC, He C, et al., 2010, Body motion powered wireless transmission platform, Proc.. Power MEMS’10, Pages: 187-190
Kiziroglou ME, He C, Yeatman EM, 2010, Flexible substrate electrostatic energy harvester, Electronics Letters, Vol: 46, Pages: 166-167, ISSN: 1350-911X
Kiziroglou ME, Mukherjee AG, Vatti S, et al., 2010, Self-assembly of three-dimensional Au inductors on silicon, IET microwaves, antennas & propagation, Vol: 4, Pages: 1698-1703, ISSN: 1751-8733
He C, Arora A, Kiziroglou ME, et al., 2009, MEMS energy harvesting powered wireless biometric sensor, Pages: 207-212
One of the main challenges in developing wireless biometric sensors is the requirement for integration of various systems into a very compact device. Such systems include sensing units, conditioning electronics, transmitters and power supplies. In this work, a novel system integration architecture is presented. A unique feature of this new architecture is that the sub-systems are selected and designed for direct output-to-input connection. An array of active pH sensors is used to transform a pH level to an electrical potential in the range of 0-2 Volts. This signal is amplified by an electrostatic energy harvester suitable for human motion operation. The amplified signal drives a custom LC transmitter specially designed to suit the harvester output. A system of notable simplicity is achieved and may serve as a demonstrator for other wireless sensors. © 2009 IEEE.
He C, Arora A, Kiziroglou ME, et al., 2009, MEMS Energy Harvesting Powered Wireless Biometric Sensor, Wearable and Implantable Body Sensor Networks, 2009. BSN 2009. Sixth International Workshop on, Pages: 207-212
One of the main challenges in developing wireless biometric sensors is the requirement for integration of various systems into a very compact device. Such systems include sensing units, conditioning electronics, transmitters and power supplies. In this work, a novel system integration architecture is presented. A unique feature of this new architecture is that the sub-systems are selected and designed for direct output-to-input connection. An array of active pH sensors is used to transform a pH level to an electrical potential in the range of 0 - 2 Volts. This signal is amplified by an electrostatic energy harvester suitable for human motion operation. The amplified signal drives a custom LC transmitter specially designed to suit the harvester output. A system of notable simplicity is achieved and may serve as a demonstrator for other wireless sensors.
Li XV, Husain MK, Kiziroglou M, et al., 2009, Inhomogeneous Ni/Ge Schottky barriers due to variation in Fermi-level pinning, Microelectronic Engineering, Vol: 86, Pages: 1599-1602, ISSN: 0167-9317
Kiziroglou ME, He C, Yeatman EM, 2009, Rolling Rod Electrostatic Microgenerator, IEEE Transactions on Industrial Electronics, Vol: 56, Pages: 1101-1108, ISSN: 0278-0046
The difficulty of maximizing the proof mass, and lack of broadband operation, are key issues for miniaturized energy-harvesting devices. Here, a novel electrostatic energy harvester is presented, employing an external free-rolling proof mass to address these issues. A description of the operating principle is given, and the kinetic dynamics of the cylinder are analyzed. The electrostatics of the system are simulated, identifying the device performance for different dielectric dimensions and surface specifications. The fabrication of a prototype device is presented, and physical characterization results demonstrate a successful fabrication technique for dielectric sizes down to 100 nm. Capacitance measurements reveal a capacitance ratio of 4 and are in agreement with simulation results. A voltage gain of 2.4 is demonstrated. The device is suitable for energy harvesting from low-frequency high-amplitude ambient motion sources such as the human body.
Mukherjee AG, Vatti S, Kiziroglou ME, et al., 2009, Integration of self-assembled inductors with CMOS LC oscillators, Microwave Conference, 2009. EuMC 2009. European, Pages: 1876-1879
The quality factor (Q) of integrated inductors is of great importance to radio frequency applications. Monolithic integration of out-of-plane Au inductors with Complementary Metal-Oxide-Semiconductor (CMOS) LC oscillators is reported in this paper. The recently developed self-assembly process involves in-plane fabrication of Au inductors and subsequent rotation of the structure by surface tension forces of a melting Sn hinge. The CMOS compatibility of this process is demonstrated through the integration of an LC oscillator with the self-assembled inductor using post-CMOS processing. At a 1.48 GHz oscillation frequency, a phase noise of -95 dBc/Hz is reported at a 100 kHz frequency offset. Obtained results show this technique to be promising for the integration of high Q inductors with commercial RF systems.
Mukherjee AG, Vatti S, Kiziroglou ME, et al., 2009, Integration of self-assembled inductors with CMOS LC oscillators, Microwave Integrated Circuits Conference, 2009. EuMIC 2009. European, Publisher: IEEE, Pages: 523-526
Mukherjee AG, Kiziroglou ME, Holmes AS, et al., 2008, Die-level integration of metal MEMS with CMOS, Electronics System-Integration Technology Conference, 2008. ESTC 2008. 2nd, Publisher: IEEE, Pages: 169-174
Mitcheson PD, Sterken T, He C, et al., 2008, Electrostatic microgenerators, Measurement and Control, Vol: 41, Pages: 114-119, ISSN: 0020-2940
Kiziroglou ME, Mukherjee AG, Moseley RW, et al., 2008, Electrodeposition of Au for self-assembling 3D micro-structures, Conference on Micromachining and Microfabrication Process Technology XIII, Publisher: SPIE-INT SOC OPTICAL ENGINEERING, ISSN: 0277-786X
Mukherjee AG, Kiziroglou ME, Holmes AS, et al., 2008, MEMS post-processing of MPW dies using BSOI carrier wafers, Conference on Micromachining and Microfabrication Process Technology XIII, Publisher: SPIE-INT SOC OPTICAL ENGINEERING, ISSN: 0277-786X
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Kiziroglou ME, Mukherjee AG, Moseley RW, et al., 2008, Electrodeposition of Au for self-assembling 3D microstructures, MOEMS-MEMS 2008 Micro and Nanofabrication, Publisher: International Society for Optics and Photonics
Mukherjee AG, Kiziroglou ME, Holmes AS, et al., 2008, MEMS post-processing of MPW dies using BSOI carrier wafers, MOEMS-MEMS 2008 Micro and Nanofabrication, Publisher: International Society for Optics and Photonics
Kiziroglou ME, He C, Yeatman EM, 2008, Non-Resonant Electrostatic Energy Harvesting from a Rolling Mass, 5th International Summer School and Symposium on Medical Devices and Biosensors, Publisher: IEEE, Pages: 223-226
Kiziroglou ME, Li X, Zhukov AA, et al., 2008, Thermionic field emission at electrodeposited Ni–Si Schottky barriers, Solid-State Electronics, Vol: 52, Pages: 1032-1038, ISSN: 0038-1101
Kiziroglou ME, He C, Yeatman EM, 2008, Non-resonant electrostatic energy harvesting from a rolling mass, Medical Devices and Biosensors, 2008. ISSS-MDBS 2008. 5th International Summer School and Symposium on, Publisher: IEEE, Pages: 318-321
Mukherjee AG, Kiziroglou ME, Vatti S, et al., 2008, Fabrication of RF MEMS Components on CMOS Circuits, Proc. of MEMSWAVE
Li X, Kiziroglou ME, Husain MK, et al., 2007, Transport Mechanisms at Ferromagnet-Si Schottky barrier contact for spin injection
Li X, Gonzalez DC, Kiziroglou ME, et al., 2007, Nano Inverse Sphere Ni Arrays by Guided Self-assembly
Gonzalez DC, Kiziroglou ME, Li X, et al., 2007, Long range ordering in self-assembled Ni arrays on patterned Si, Journal of Magnetism and Magnetic Materials, Vol: 316, Pages: e78-e81, ISSN: 0304-8853
Kiziroglou ME, He C, Yeatman EM, 2007, Electrostatic energy harvester with external proof mass, PowerMEMS 2007
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