Switchable And Tunable Bulk Acoustic Wave Resonators Based On Baxsr1 Xtio3 Thin Films PDF Download
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Author | : John Berge |
Publisher | : |
Total Pages | : 101 |
Release | : 2012 |
Genre | : |
ISBN | : 9789173856430 |
Download Switchable and Tunable Bulk Acoustic Wave Resonators Based on BaxSr1_xTiO3 Thin Films Book in PDF, ePub and Kindle
Author | : John Berge |
Publisher | : |
Total Pages | : 41 |
Release | : 2009 |
Genre | : |
ISBN | : |
Download Tunable Bulk Acoustic Wave Resonators Based on BaxSr1-xTiO3 Thin Films Book in PDF, ePub and Kindle
Author | : Spartak Gevorgian |
Publisher | : Springer Science & Business Media |
Total Pages | : 255 |
Release | : 2013-02-14 |
Genre | : Technology & Engineering |
ISBN | : 1447149440 |
Download Tuneable Film Bulk Acoustic Wave Resonators Book in PDF, ePub and Kindle
To handle many standards and ever increasing bandwidth requirements, large number of filters and switches are used in transceivers of modern wireless communications systems. It makes the cost, performance, form factor, and power consumption of these systems, including cellular phones, critical issues. At present, the fixed frequency filter banks based on Film Bulk Acoustic Resonators (FBAR) are regarded as one of the most promising technologies to address performance -form factor-cost issues. Even though the FBARs improve the overall performances the complexity of these systems remains high. Attempts are being made to exclude some of the filters by bringing the digital signal processing (including channel selection) as close to the antennas as possible. However handling the increased interference levels is unrealistic for low-cost battery operated radios. Replacing fixed frequency filter banks by one tuneable filter is the most desired and widely considered scenario. As an example, development of the software based cognitive radios is largely hindered by the lack of adequate agile components, first of all tuneable filters. In this sense the electrically switchable and tuneable FBARs are the most promising components to address the complex cost-performance issues in agile microwave transceivers, smart wireless sensor networks etc. Tuneable Film Bulk Acoustic Wave Resonators discusses FBAR need, physics, designs, modelling, fabrication and applications. Tuning of the resonant frequency of the FBARs is considered. Switchable and tuneable FBARs based on electric field induced piezoelectric effect in paraelectric phase ferroelectrics are covered. The resonance of these resonators may be electrically switched on and off and tuned without hysteresis. The book is aimed at microwave and sensor specialists in the industry and graduate students. Readers will learn about principles of operation and possibilities of the switchable and tuneable FBARs, and will be given general guidelines for designing, fabrication and applications of these devices.
Author | : Almonir Abdulgader Mansour |
Publisher | : |
Total Pages | : 203 |
Release | : 2017 |
Genre | : Acoustical materials |
ISBN | : |
Download Switchable and Tunable Bulk Acoustic Wave Devices Based on Ferroelectric Material Book in PDF, ePub and Kindle
The explosive development of personal communications systems, navigation, satellite communications as well as personal computer and data processing systems together with the constant demand for higher speeds and larger bandwidths has driven fabrication technology to its limits. This, in turn, necessitates the development of novel functional materials for the fabrication of devices with superior performance and higher capacity at reduced manufacturing costs. Ferroelectric materials such as barium strontium titanate (BST) and strontium titanium oxide (STO) have received more attention by researchers and industry because of their field-induced piezoelectric property. This property gives these types of ferroelectric materials the ability to be switchable and tunable in the presence of an electric field. These features have allowed the ferroelectric materials to be used in many applications such as non-volatile memory and DRAMs, sensors, pyroelectric detectors, and tunable microwave devices. Therefore, with the ever increasing complexity in RF front-end receivers, and the demand for services (which in turn requires more functionalities), ferroelectric bulk acoustic wave (BAW) resonators and filters that are intrinsically switchable and promise to reduce the size and complexity of component parts. In this work, we present the design, fabrication and experimental evaluation of switchable and tunable thin film bulk acoustic wave (BAW) resonators, filters and duplexers for radio frequency (RF) applications. The switchability and tunability of these devices come from utilizing the electrostrictive effect of ferroelectric materials such as barium strontium titanate (BST) with the application of an external DC-bias voltage. The BAW resonators, filters and duplexers in this work were fabricated on different substrates as solidly mounted resonator (SMR) structure with number of periodic layers of silicon dioxide and tantalum oxide as a Bragg reflector in order to acoustically isolate the resonator from the damping effect of the substrate, enhancing the quality factor and temperature compensation.
Author | : Yafei Zhang |
Publisher | : Springer Science & Business Media |
Total Pages | : 159 |
Release | : 2012-08-28 |
Genre | : Technology & Engineering |
ISBN | : 3642317766 |
Download Multilayer Integrated Film Bulk Acoustic Resonators Book in PDF, ePub and Kindle
Mulilayer Integrated Film Bulk Acoustic Resonators mainly introduces the theory, design, fabrication technology and application of a recently developed new type of device, multilayer integrated film bulk acoustic resonators, at the micro and nano scale involving microelectronic devices, integrated circuits, optical devices, sensors and actuators, acoustic resonators, micro-nano manufacturing, multilayer integration, device theory and design principles, etc. These devices can work at very high frequencies by using the newly developed theory, design, and fabrication technology of nano and micro devices. Readers in fields of IC, electronic devices, sensors, materials, and films etc. will benefit from this book by learning the detailed fundamentals and potential applications of these advanced devices. Prof. Yafei Zhang is the director of the Ministry of Education’s Key Laboratory for Thin Films and Microfabrication Technology, PRC; Dr. Da Chen was a PhD student in Prof. Yafei Zhang’s research group.
Author | : Humberto Campanella |
Publisher | : Artech House |
Total Pages | : 364 |
Release | : 2010 |
Genre | : Technology & Engineering |
ISBN | : 1607839784 |
Download Acoustic Wave and Electromechanical Resonators Book in PDF, ePub and Kindle
This groundbreaking book provides you with a comprehensive understanding of FBAR (thin-film bulk acoustic wave resonator), MEMS (microelectomechanical system), and NEMS (nanoelectromechanical system) resonators. For the first time anywhere, you find extensive coverage of these devices at both the technology and application levels. This practical reference offers you guidance in design, fabrication, and characterization of FBARs, MEMS and NEBS. It discusses the integration of these devices with standard CMOS (complementary-metal-oxide-semiconductor) technologies, and their application to sensing and RF systems. Moreover, this one-stop resource looks at the main characteristics, differences, and limitations of FBAR, MEMS, and NEMS devices, helping you to choose the right approaches for your projects. Over 280 illustrations and more than 130 equations support key topics throughout the book.
Author | : Wei Liu |
Publisher | : |
Total Pages | : |
Release | : 2017 |
Genre | : |
ISBN | : |
Download Fabrication of Electronically Switchable and Tunable Bulk Acoustic Wave Resonators with Graphene Electrodes Book in PDF, ePub and Kindle
Author | : George Nabih Saddik |
Publisher | : |
Total Pages | : 117 |
Release | : 2011 |
Genre | : |
ISBN | : 9781267020451 |
Download Switchable and Tunable Ferroelectric Bulk Acoustic Wave Resonators and Filters Book in PDF, ePub and Kindle
BST tunable capacitors have always had anomalous resonances in the one port scattering parameter measurements, although they are very small they degrade the quality factor of the device, and research went into reducing these resonances as much as possible.
Author | : Carlos Paz de Araujo |
Publisher | : Taylor & Francis |
Total Pages | : 596 |
Release | : 1996 |
Genre | : Technology & Engineering |
ISBN | : 9782884491891 |
Download Ferroelectric Thin Films Book in PDF, ePub and Kindle
The impetus for the rapid development of thin film technology, relative to that of bulk materials, is its application to a variety of microelectronic products. Many of the characteristics of thin film ferroelectric materials are utilized in the development of these products - namely, their nonvolatile memory and piezoelectric, pyroelectric, and electro-optic properties. It is befitting, therefore, that the first of a set of three complementary books with the general title Integrated Ferroelectric Devices and Technologies focuses on the synthesis of thin film ferroelectric materials and their basic properties. Because it is a basic introduction to the chemistry, materials science, processing, and physics of the materials from which integrated ferroelectrics are made, newcomers to this field as well as veterans will find this book self-contained and invaluable in acquiring the diverse elements requisite to success in their work in this area. It is directed at electronic engineers and physicists as well as process and system engineers, ceramicists, and chemists involved in the research, design, development, manufacturing, and utilization of thin film ferroelectric materials.
Author | : Rainer Waser |
Publisher | : John Wiley & Sons |
Total Pages | : 391 |
Release | : 2006-03-06 |
Genre | : Technology & Engineering |
ISBN | : 3527604898 |
Download Polar Oxides Book in PDF, ePub and Kindle
Here, more than 20 experts from leading research institutes around the world present the entire scope of this rapidly developing field. In so doing, they cover a wide range of topics, including the characterization and investigation of structural, dielectric and piezoelectric properties of ceramic materials, a well as phase transitions, electrical and optical properties and microscopic investigations. Another feature is a complete profile of the properties of polar oxides -- from their proof to their latest applications. Throughout, the authors review, discuss and assess the material properties with regard to new and advanced characterization and imaging techniques. For physicists, physicochemists, semiconductor and solid state physicists, materials scientists, and students of chemistry and physics.