Development Of Hfo2 Based Ferroelectric Memories For Future Cmos Technology Nodes

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Development of HfO2-Based Ferroelectric Memories for Future CMOS Technology Nodes

Author : Stefan Ferdinand Müller
Publisher : BoD – Books on Demand
ISBN 13 : 3739248947
Total Pages : 137 pages
Book Rating : 4.7/5 (392 download)

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Book Synopsis Development of HfO2-Based Ferroelectric Memories for Future CMOS Technology Nodes by : Stefan Ferdinand Müller

Download or read book Development of HfO2-Based Ferroelectric Memories for Future CMOS Technology Nodes written by Stefan Ferdinand Müller and published by BoD – Books on Demand. This book was released on 2016-04-08 with total page 137 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis evaluates the viability of ferroelectric Si:HfO2 and its derived FeFET application for non-volatile data storage. At the beginning, the ferroelectric effect is explained briefly such that the applications that make use of it can be understood. Afterwards, the latest findings on ferroelectric HfO2 are reviewed and their potential impact on future applications is discussed. Experimental data is presented afterwards focusing on the ferroelectric material characteristics of Si:HfO2 that are most relevant for memory applications. Besides others, the stability of the ferroelectric switching effect could be demonstrated in a temperature range of almost 400 K. Moreover, nanosecond switching speed and endurance in the range of 1 million to 10 billion cycles could be proven. Retention and imprint characteristics have furthermore been analyzed and are shown to be stable for 1000 hours bake time at 125 oC. Derived from the ferroelectric effect in HfO2, a 28 nm FeFET memory cell is introduced as the central application of this thesis. Based on numerical simulations, the memory concept is explained and possible routes towards an optimized FeFET cell are discussed. Subsequently, the results from electrical characterization of FeFET multi-structures are presented and discussed. By using Si:HfO2 it was possible to realize the world's first 28 nm FeFET devices possessing i.a. 10k cycling endurance and an extrapolated 10 year data retention at room temperature. The next step towards a FeFET memory is represented by connecting several memory cells into matrix-type configurations. A cell concept study illustrates the different ways in which FeFET cells can be combined together to give high density memory arrays. For the proposed architectures, operational schemes are theoretically discussed and analyzed by both electrical characterization of FeFET multi-structures and numerical simulations. The thesis concludes with the electrical characterization of small FeFET memory arrays. First results show that a separation between memory states can be achieved by applying poling and incremental step pulse programming (ISPP) sequences. These results represent an important cornerstone for future studies on Si:HfO2 and its related applications.

Development and Investigation of Novel Logic-in-Memory and Nonvolatile Logic Circuits Utilizing Hafnium Oxide-Based Ferroelectric Field-Effect Transistors

Download Development and Investigation of Novel Logic-in-Memory and Nonvolatile Logic Circuits Utilizing Hafnium Oxide-Based Ferroelectric Field-Effect Transistors PDF Online Free

Author : Evelyn Tina Breyer
Publisher : BoD – Books on Demand
ISBN 13 : 3755708523
Total Pages : 216 pages
Book Rating : 4.7/5 (557 download)

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Book Synopsis Development and Investigation of Novel Logic-in-Memory and Nonvolatile Logic Circuits Utilizing Hafnium Oxide-Based Ferroelectric Field-Effect Transistors by : Evelyn Tina Breyer

Download or read book Development and Investigation of Novel Logic-in-Memory and Nonvolatile Logic Circuits Utilizing Hafnium Oxide-Based Ferroelectric Field-Effect Transistors written by Evelyn Tina Breyer and published by BoD – Books on Demand. This book was released on 2022-02-08 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt: Not only conventional computer architectures, such as the von-Neumann architecture with its inevitable von-Neumann bottleneck, but likewise the emerging field of edge computing require to substantially decrease the spatial separation of logic and memory units to overcome power and latency shortages. The integration of logic operations into memory units (Logic-in-Memory), as well as memory elements into logic circuits (Nonvolatile Logic), promises to fulfill this request by combining high-speed with low-power operation. Ferroelectric field-effect transistors (FeFETs) based on hafnium oxide prove to be auspicious candidates for the memory elements in applications of that kind, as those nonvolatile memory elements are CMOS-compatible and likewise scalable. This work presents implementations that merge logic and memory by exploiting the natural capability of the FeFET to combine logic functionality (transistor) and memory ability (nonvolatility).

Gate Stack Engineering for Emerging Polarization based Non-volatile Memories

Author : Milan Pesic
Publisher : BoD – Books on Demand
ISBN 13 : 3744867889
Total Pages : 154 pages
Book Rating : 4.7/5 (448 download)

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Book Synopsis Gate Stack Engineering for Emerging Polarization based Non-volatile Memories by : Milan Pesic

Download or read book Gate Stack Engineering for Emerging Polarization based Non-volatile Memories written by Milan Pesic and published by BoD – Books on Demand. This book was released on 2017-07-14 with total page 154 pages. Available in PDF, EPUB and Kindle. Book excerpt: The hafnium based ferroelectric memories offer a low power consumption, ultra-fast operation, non-volatile retention as well as the small relative cell size as the main requirements for future memories. These remarkable properties of ferroelectric memories make them promising candidates for non-volatile memories that would bridge the speed gap between fast logic and slow off-chip, long term storage. Even though the retention of hafnia based ferroelectric memories can be extrapolated to a ten-year specification target, they suffer from a rather limited endurance. Therefore, this work targets relating the field cycling behavior of hafnia based ferroelectric memories to the physical mechanisms taking place within the film stack. Establishing a correlation between the performance of the device and underlying physical mechanisms is the first step toward understanding the device and engineering guidelines for novel, superior devices. In the frame of this work, an in-depth ferroelectric and dielectric characterization, analysis and TEM study was combined with comprehensive modeling approach. Drift and diffusion based vacancy redistribution was found as the main cause for the phase transformation and consequent increase of the remnant polarization, while domain pinning and defect generation is identified to be responsible for the device fatigue. Finally, based on Landau theory, a simple way to utilize the high endurance strength of anti-ferroelectric (AFE) materials and achieve non-volatility in state-of-the-art DRAM stacks was proposed and the fabrication of the world's first non-volatile AFE-RAM is reported. These findings represent an important milestone and pave the way toward a commercialization of (anti)ferroelectric non-volatile memories based on simple binary-oxides.

Formation of Ferroelectricity in Hafnium Oxide Based Thin Films

Author : Tony Schenk
Publisher : BoD – Books on Demand
ISBN 13 : 3743127296
Total Pages : 194 pages
Book Rating : 4.7/5 (431 download)

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Book Synopsis Formation of Ferroelectricity in Hafnium Oxide Based Thin Films by : Tony Schenk

Download or read book Formation of Ferroelectricity in Hafnium Oxide Based Thin Films written by Tony Schenk and published by BoD – Books on Demand. This book was released on 2017-03-15 with total page 194 pages. Available in PDF, EPUB and Kindle. Book excerpt: In 2011, Böscke et al. reported the unexpected discovery of ferroelectric properties in hafnia based thin films, which has since initiated many further studies and revitalized research on the topic of ferroelectric memories. In spite of many efforts, the unveiling of the fundamentals behind this surprising discovery has proven rather challenging. In this work, the originally claimed Pca21 phase is experimentally proven to be the root of the ferroelectric properties and the nature of this ferroelectricity is classified in the frame of existing concepts of ferroelectric materials. Parameters to stabilize this polar phase are examined from a theoretical and fabrication point of view. With these very basic questions addressed, the application relevant electric field cycling behavior is studied. The results of first-order reversal curves, impedance spectroscopy, scanning transmission electron microscopy and piezoresponse force microscopy significantly advance the understanding of structural mechanisms underlying wake-up, fatigue and the novel phenomenon of split-up/merging of transient current peaks. The impact of field cycling behavior on applications like ferroelectric memories is highlighted and routes to optimize it are derived. These findings help to pave the road for a successful commercialization of hafnia based ferroelectrics.

Lead-Free Piezoelectrics

Author : Shashank Priya
Publisher : Springer Science & Business Media
ISBN 13 : 1441995986
Total Pages : 521 pages
Book Rating : 4.4/5 (419 download)

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Book Synopsis Lead-Free Piezoelectrics by : Shashank Priya

Download or read book Lead-Free Piezoelectrics written by Shashank Priya and published by Springer Science & Business Media. This book was released on 2011-11-19 with total page 521 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ecological restrictions in many parts of the world are demanding the elimination of Pb from all consumer items. At this moment in the piezoelectric ceramics industry, there is no issue of more importance than the transition to lead-free materials. The goal of Lead-Free Piezoelectrics is to provide a comprehensive overview of the fundamentals and developments in the field of lead-free materials and products to leading researchers in the world. The text presents chapters on demonstrated applications of the lead-free materials, which will allow readers to conceptualize the present possibilities and will be useful for both students and professionals conducting research on ferroelectrics, piezoelectrics, smart materials, lead-free materials, and a variety of applications including sensors, actuators, ultrasonic transducers and energy harvesters.

Ferroelectric Memories

Author : James F. Scott
Publisher : Springer Science & Business Media
ISBN 13 : 3662043076
Total Pages : 255 pages
Book Rating : 4.6/5 (62 download)

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Book Synopsis Ferroelectric Memories by : James F. Scott

Download or read book Ferroelectric Memories written by James F. Scott and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 255 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the first comprehensive book on ferroelectric memories which contains chapters on device design, processing, testing, and device physics, as well as on breakdown, leakage currents, switching mechanisms, and fatigue. State-of-the-art device designs are included and illustrated among the books many figures. More than 500 up-to-date references and 76 problems make it useful as a research reference for physicists, engineers and students.

Ferroelectricity in Doped Hafnium Oxide

Author : Uwe Schroeder
Publisher : Woodhead Publishing
ISBN 13 : 0081024312
Total Pages : 572 pages
Book Rating : 4.0/5 (81 download)

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Book Synopsis Ferroelectricity in Doped Hafnium Oxide by : Uwe Schroeder

Download or read book Ferroelectricity in Doped Hafnium Oxide written by Uwe Schroeder and published by Woodhead Publishing. This book was released on 2019-03-27 with total page 572 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ferroelectricity in Doped Hafnium Oxide: Materials, Properties and Devices covers all aspects relating to the structural and electrical properties of HfO2 and its implementation into semiconductor devices, including a comparison to standard ferroelectric materials. The ferroelectric and field-induced ferroelectric properties of HfO2-based films are considered promising for various applications, including non-volatile memories, negative capacitance field-effect-transistors, energy storage, harvesting, and solid-state cooling. Fundamentals of ferroelectric and piezoelectric properties, HfO2 processes, and the impact of dopants on ferroelectric properties are also extensively discussed in the book, along with phase transition, switching kinetics, epitaxial growth, thickness scaling, and more. Additional chapters consider the modeling of ferroelectric phase transformation, structural characterization, and the differences and similarities between HFO2 and standard ferroelectric materials. Finally, HfO2 based devices are summarized. - Explores all aspects of the structural and electrical properties of HfO2, including processes, modelling and implementation into semiconductor devices - Considers potential applications including FeCaps, FeFETs, NCFETs, FTJs and more - Provides comparison of an emerging ferroelectric material to conventional ferroelectric materials with insights to the problems of downscaling that conventional ferroelectrics face

Atomic Layer Deposition for Semiconductors

Author : Cheol Seong Hwang
Publisher : Springer Science & Business Media
ISBN 13 : 146148054X
Total Pages : 266 pages
Book Rating : 4.4/5 (614 download)

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Book Synopsis Atomic Layer Deposition for Semiconductors by : Cheol Seong Hwang

Download or read book Atomic Layer Deposition for Semiconductors written by Cheol Seong Hwang and published by Springer Science & Business Media. This book was released on 2013-10-18 with total page 266 pages. Available in PDF, EPUB and Kindle. Book excerpt: Offering thorough coverage of atomic layer deposition (ALD), this book moves from basic chemistry of ALD and modeling of processes to examine ALD in memory, logic devices and machines. Reviews history, operating principles and ALD processes for each device.

Ferroelectrics

Author : Mickaël Lallart
Publisher : BoD – Books on Demand
ISBN 13 : 9533074566
Total Pages : 266 pages
Book Rating : 4.5/5 (33 download)

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Book Synopsis Ferroelectrics by : Mickaël Lallart

Download or read book Ferroelectrics written by Mickaël Lallart and published by BoD – Books on Demand. This book was released on 2011-08-23 with total page 266 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ferroelectric materials have been and still are widely used in many applications, that have moved from sonar towards breakthrough technologies such as memories or optical devices. This book is a part of a four volume collection (covering material aspects, physical effects, characterization and modeling, and applications) and focuses on the application of ferroelectric devices to innovative systems. In particular, the use of these materials as varying capacitors, gyroscope, acoustics sensors and actuators, microgenerators and memory devices will be exposed, providing an up-to-date review of recent scientific findings and recent advances in the field of ferroelectric devices.

Ferroelectric Random Access Memories

Author : Hiroshi Ishiwara
Publisher : Springer Science & Business Media
ISBN 13 : 9783540407188
Total Pages : 316 pages
Book Rating : 4.4/5 (71 download)

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Book Synopsis Ferroelectric Random Access Memories by : Hiroshi Ishiwara

Download or read book Ferroelectric Random Access Memories written by Hiroshi Ishiwara and published by Springer Science & Business Media. This book was released on 2004-04-16 with total page 316 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book consists of 5 parts: (1) ferroelectric thin films, (2) deposition and characterization methods, (3) fabrication process and circuit design, (4) advanced-type memories, and (5) applications and future prospects; each part is further divided into several chapters. Because of the wide range of topics discussed, each chapter in this book was written by one of the best authors knowing the specific topic very well.

Ferroelectric-Gate Field Effect Transistor Memories

Author : Byung-Eun Park
Publisher : Springer Nature
ISBN 13 : 9811512124
Total Pages : 421 pages
Book Rating : 4.8/5 (115 download)

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Book Synopsis Ferroelectric-Gate Field Effect Transistor Memories by : Byung-Eun Park

Download or read book Ferroelectric-Gate Field Effect Transistor Memories written by Byung-Eun Park and published by Springer Nature. This book was released on 2020-03-23 with total page 421 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides comprehensive coverage of the materials characteristics, process technologies, and device operations for memory field-effect transistors employing inorganic or organic ferroelectric thin films. This transistor-type ferroelectric memory has interesting fundamental device physics and potentially large industrial impact. Among various applications of ferroelectric thin films, the development of nonvolatile ferroelectric random access memory (FeRAM) has been most actively progressed since the late 1980s and reached modest mass production for specific application since 1995. There are two types of memory cells in ferroelectric nonvolatile memories. One is the capacitor-type FeRAM and the other is the field-effect transistor (FET)-type FeRAM. Although the FET-type FeRAM claims the ultimate scalability and nondestructive readout characteristics, the capacitor-type FeRAMs have been the main interest for the major semiconductor memory companies, because the ferroelectric FET has fatal handicaps of cross-talk for random accessibility and short retention time. This book aims to provide the readers with development history, technical issues, fabrication methodologies, and promising applications of FET-type ferroelectric memory devices, presenting a comprehensive review of past, present, and future technologies. The topics discussed will lead to further advances in large-area electronics implemented on glass, plastic or paper substrates as well as in conventional Si electronics. The book is composed of chapters written by leading researchers in ferroelectric materials and related device technologies, including oxide and organic ferroelectric thin films.

Resistive Switching

Author : Daniele Ielmini
Publisher :
ISBN 13 : 9783527680870
Total Pages : 755 pages
Book Rating : 4.6/5 (88 download)

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Book Synopsis Resistive Switching by : Daniele Ielmini

Download or read book Resistive Switching written by Daniele Ielmini and published by . This book was released on 2016 with total page 755 pages. Available in PDF, EPUB and Kindle. Book excerpt: With its comprehensive coverage, this reference introduces readers to the wide topic of resistance switching, providing the knowledge, tools, and methods needed to understand, characterize and apply resistive switching memories. Starting with those materials that display resistive switching behavior, the book explains the basics of resistive switching as well as switching mechanisms and models. An in-depth discussion of memory reliability is followed by chapters on memory cell structures and architectures, while a section on logic gates rounds off the text. An invaluable self-contained book for materials scientists, electrical engineers and physicists dealing with memory research and development.

Emerging Non-Volatile Memories

Author : Seungbum Hong
Publisher : Springer
ISBN 13 : 1489975373
Total Pages : 280 pages
Book Rating : 4.4/5 (899 download)

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Book Synopsis Emerging Non-Volatile Memories by : Seungbum Hong

Download or read book Emerging Non-Volatile Memories written by Seungbum Hong and published by Springer. This book was released on 2014-11-18 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is an introduction to the fundamentals of emerging non-volatile memories and provides an overview of future trends in the field. Readers will find coverage of seven important memory technologies, including Ferroelectric Random Access Memory (FeRAM), Ferromagnetic RAM (FMRAM), Multiferroic RAM (MFRAM), Phase-Change Memories (PCM), Oxide-based Resistive RAM (RRAM), Probe Storage, and Polymer Memories. Chapters are structured to reflect diffusions and clashes between different topics. Emerging Non-Volatile Memories is an ideal book for graduate students, faculty, and professionals working in the area of non-volatile memory. This book also: Covers key memory technologies, including Ferroelectric Random Access Memory (FeRAM), Ferromagnetic RAM (FMRAM), and Multiferroic RAM (MFRAM), among others. Provides an overview of non-volatile memory fundamentals. Broadens readers’ understanding of future trends in non-volatile memories.

Emerging Non-volatile Memory Technologies

Author : Wen Siang Lew
Publisher : Springer Nature
ISBN 13 : 9811569126
Total Pages : 439 pages
Book Rating : 4.8/5 (115 download)

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Book Synopsis Emerging Non-volatile Memory Technologies by : Wen Siang Lew

Download or read book Emerging Non-volatile Memory Technologies written by Wen Siang Lew and published by Springer Nature. This book was released on 2021-01-09 with total page 439 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book offers a balanced and comprehensive guide to the core principles, fundamental properties, experimental approaches, and state-of-the-art applications of two major groups of emerging non-volatile memory technologies, i.e. spintronics-based devices as well as resistive switching devices, also known as Resistive Random Access Memory (RRAM). The first section presents different types of spintronic-based devices, i.e. magnetic tunnel junction (MTJ), domain wall, and skyrmion memory devices. This section describes how their developments have led to various promising applications, such as microwave oscillators, detectors, magnetic logic, and neuromorphic engineered systems. In the second half of the book, the underlying device physics supported by different experimental observations and modelling of RRAM devices are presented with memory array level implementation. An insight into RRAM desired properties as synaptic element in neuromorphic computing platforms from material and algorithms viewpoint is also discussed with specific example in automatic sound classification framework.

Compact Modeling

Author : Gennady Gildenblat
Publisher : Springer Science & Business Media
ISBN 13 : 9048186145
Total Pages : 531 pages
Book Rating : 4.0/5 (481 download)

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Book Synopsis Compact Modeling by : Gennady Gildenblat

Download or read book Compact Modeling written by Gennady Gildenblat and published by Springer Science & Business Media. This book was released on 2010-06-22 with total page 531 pages. Available in PDF, EPUB and Kindle. Book excerpt: Most of the recent texts on compact modeling are limited to a particular class of semiconductor devices and do not provide comprehensive coverage of the field. Having a single comprehensive reference for the compact models of most commonly used semiconductor devices (both active and passive) represents a significant advantage for the reader. Indeed, several kinds of semiconductor devices are routinely encountered in a single IC design or in a single modeling support group. Compact Modeling includes mostly the material that after several years of IC design applications has been found both theoretically sound and practically significant. Assigning the individual chapters to the groups responsible for the definitive work on the subject assures the highest possible degree of expertise on each of the covered models.

Oxide Electronics

Author : Asim K. Ray
Publisher : John Wiley & Sons
ISBN 13 : 1119529476
Total Pages : 628 pages
Book Rating : 4.1/5 (195 download)

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Book Synopsis Oxide Electronics by : Asim K. Ray

Download or read book Oxide Electronics written by Asim K. Ray and published by John Wiley & Sons. This book was released on 2021-04-12 with total page 628 pages. Available in PDF, EPUB and Kindle. Book excerpt: Oxide Electronics Multiple disciplines converge in this insightful exploration of complex metal oxides and their functions and properties Oxide Electronics delivers a broad and comprehensive exploration of complex metal oxides designed to meet the multidisciplinary needs of electrical and electronic engineers, physicists, and material scientists. The distinguished author eschews complex mathematics whenever possible and focuses on the physical and functional properties of metal oxides in each chapter. Each of the sixteen chapters featured within the book begins with an abstract and an introduction to the topic, clear explanations are presented with graphical illustrations and relevant equations throughout the book. Numerous supporting references are included, and each chapter is self-contained, making them perfect for use both as a reference and as study material. Readers will learn how and why the field of oxide electronics is a key area of research and exploitation in materials science, electrical engineering, and semiconductor physics. The book encompasses every application area where the functional and electronic properties of various genres of oxides are exploited. Readers will also learn from topics like: Thorough discussions of High-k gate oxide for silicon heterostructure MOSFET devices and semiconductor-dielectric interfaces An exploration of printable high-mobility transparent amorphous oxide semiconductors Treatments of graphene oxide electronics, magnetic oxides, ferroelectric oxides, and materials for spin electronics Examinations of the calcium aluminate binary compound, perovoksites for photovoltaics, and oxide 2Degs Analyses of various applications for oxide electronics, including data storage, microprocessors, biomedical devices, LCDs, photovoltaic cells, TFTs, and sensors Suitable for researchers in semiconductor technology or working in materials science, electrical engineering, and physics, Oxide Electronics will also earn a place in the libraries of private industry researchers like device engineers working on electronic applications of oxide electronics. Engineers working on photovoltaics, sensors, or consumer electronics will also benefit from this book.

Multifunctional Oxide Heterostructures

Author : Evgeny Y. Tsymbal
Publisher : OUP Oxford
ISBN 13 : 0191642223
Total Pages : 416 pages
Book Rating : 4.1/5 (916 download)

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Book Synopsis Multifunctional Oxide Heterostructures by : Evgeny Y. Tsymbal

Download or read book Multifunctional Oxide Heterostructures written by Evgeny Y. Tsymbal and published by OUP Oxford. This book was released on 2012-08-30 with total page 416 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is devoted to the rapidly developing field of oxide thin-films and heterostructures. Oxide materials combined with atomic-scale precision in a heterostructure exhibit an abundance of macroscopic physical properties involving the strong coupling between the electronic, spin, and structural degrees of freedom, and the interplay between magnetism, ferroelectricity, and conductivity. Recent advances in thin-film deposition and characterization techniques made possible the experimental realization of such oxide heterostructures, promising novel functionalities and device concepts. The book consists of chapters on some of the key innovations in the field over recent years, including strongly correlated oxide heterostructures, magnetoelectric coupling and multiferroic materials, thermoelectric phenomena, and two-dimensional electron gases at oxide interfaces. The book covers the core principles, describes experimental approaches to fabricate and characterize oxide heterostructures, demonstrates new functional properties of these materials, and provides an overview of novel applications.