Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 43 for “"ferroelectric materials"”.
-
Nanostructured ferroelectric materials
Nanostructured materials are central to the evolution of future electronics and information technologies. Ferroelectrics have already been established as a dominant branch in the electronics sector because of their diverse application range such as ferroelectric memories, ferroelectric tunnel …
-
Structure Property Relations in Ferroelectric Materials
Submitted by Meng Tao (mengtao2@illinois.edu) on 2012-10-12T19:51:42Z No. of bitstreams: 1 Fanning.pdf: 1183395 bytes, checksum: a6a6cc2d47d222a98d4a06b8c25b1a46 (MD5)
-
Compact Leaky Wave Antenna Using Ferroelectric Materials
Leaky wave antenna continuously attracts a lot interests for tuning the radiation direction over a large angle. Various types of leaky wave antenna have been developed since 1940. However, most of these leaky wave antennas suffered from their excessive volume and the required wide range of …
-
Electrically-tunable near-field heat transfer with ferroelectric materials
… explores the tunable optical properties of ferroelectric materials to manipulate the near-field radiative heat transfer between two surfaces, aiming at the active control of near-field radiation heat transfer. Soft mode hardening of ferroelectric thin films induced by environmental changes, …
-
Expanding electronics beyond silicon with wide-bandgap, 2D, and ferroelectric materials
Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2027-05-01
-
Integration of Ferroelectric Materials into High Density Non-Volatile Random Access Memories
The characteristic polarization response of a ferroelectric material to an applied electric field enables a binary state device in the form of a thin film ferroelectric capacitor that can be used to store digital information. In a high density memory the capacitor is placed on the top of a …
-
Understanding order dynamics in magnetic and ferroelectric materials and devices for next generation computing
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2024-09-16 without embargo terms
-
Design, Analysis, and Application of Architected Ferroelectric Lattice Materials
Ferroelectric materials have been an area of keen interest for researchers due to their useful electro-mechanical coupling properties for a range of modern applications, such as sensing, precision actuation, or energy harvesting. The distribution of the piezoelectric coefficients, which corresponds …
-
Microstructural dynamics induced by nanoscale stress in ferroelectrics
Ferroelectric materials are defined by a spontaneous polarisation that is reversible under an electric field, and represent promising candidates for various applications including data storage and nanoelectronic devices. A crucial aspect of harnessing the functionality of ferroelectrics for such …
-
BaTiO₃ based materials for piezoelectric and electro-optic applications
Ferroelectric materials are key to many modem technologies, in particular piezoelectric actuators and electro-optic modulators. BaTiO₃ is one of the most extensively studied ferroelectric materials. The use of BaTiO₃ for piezoelectric applications is, however, limited due to the small piezoelectric …
-
Electrical characterization of ferroelectric capacitors for non-volatile memory applications
Ferroelectric materials show a spontaneous electrical polarization that can be reversed in sense by an applied external electric field. It should, therefore, be feasible to build a ferroelectric memory device that can store information in digital form. Ascertaining the suitability of a …
-
Tunneling and ferroelectric based transistors for energy efficient electronics
… efficient ubiquitous electronics. Emerging materials (i.e. low dimensional nanomaterials, novel dielectric/ferroelectric materials) show great promise to overcome the limits of the Si CMOS technology for specific applications. This thesis studies the prospects of two different emerging …
-
Reliability and processing of ferroelectric thin film capacitors with emphasis on fatigue and etching
Ferroelectric materials are characterized by a reversible spontaneous polarization in the absence of an electric field. The characteristic polarization response of a ferroelectric material to an applied electric field enables a binary state device in the form of a thin film ferroelectric capacitor …
-
Graded ferroelectric devices: the dielectric analogues of semiconductor diode junctions
… a new pyroelectric device can be created from ferroelectrics with gradient in composition, and that the field dependence of the observed hysteresis offset is as predicted from theory. Homogeneous thin films of BaxSr1-xTiO3 (x=0.7, 0.8, 0.9, and 1.0) were prepared by metallorganic decomposition …
-
Effects of stress on material properties, intrinsic and extrinsic behavior, and electromechanical response of stress-biased actuators
… greater understanding of the general behavior of ferroelectric materials under the unique mechanical boundary conditions associated with these devices, and the balance between intrinsic and extrinsic contributions to the overall electromechanical response of the device"--Abstract, page iii.
-
2D material devices for low power logic and memory applications
… field effect transistors (task 1) and low power ferroelectric memory devices (task 2) based on two-dimensional (2D) materials. In the first task, electrical characteristics of mechanically exfoliated n-type Molybdenum Disulfide (MoS2 ) and a new p-type material Germanium Selenide (GeSe) were …
-
Multiscale Simulations of Dynamics of Ferroelectric Domains
Ferroelectric materials exhibiting switchable polarization have been used as critical components in electronics, memory, actuators and acoustics, and electro-optics. The applications of ferroelectric materials heavily rely on the interactions between the polarization and external perturbations, …
-
Competition and Coexistence of Screening Mechanisms in Ferroelectric Thin Films and Superlattices
… mechanisms that screen the depolarising field in ferroelectric materials, namely domains and two-dimensional electron gases. A more realistic electrostatic description of thin films, which accounts for the presence of a substrate has been derived. The electrostatic description of superlattices of …
-
STM Study of 2D Metal Chalcogenides and Heterostructures
… years, two-dimensional (2D) van der Waals (vdW) materials have aroused much interest for their unique structural, thermal, optical, and electronic properties and have become a hot topic in condensed matter physics and material science. Many research methods, including scanning tunneling …
-
Investigation of Ferroelectric Thin Film Using Piezoresponse Force Microscopy
Ferroelectric materials have found a wide range of applications in data storage devices, sensors and actuators, capacitors, oscillators and filters, among others thanks to fabrication methods that allow integration into semiconductor devices at micro and nanoscales. As many of these materials also …
Page 1 of 3