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Synthesis Modeling And Characterization Of 2d Materials And Their Heterostructures

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Synthesis Modelling and Characterization of 2D Materials and their Heterostructures

Synthesis  Modelling and Characterization of 2D Materials and their Heterostructures Book
Author : Eui-Hyeok Yang,Dibakar Datta,Junjun Ding,Grzegorz Hader
Publisher : Elsevier
Release : 2020-07-10
ISBN : 0128184752
Language : En, Es, Fr & De

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Book Description :

Synthesis, Modelling and Characterization of 2D Materials and Their Heterostructures provides a detailed discussion on the multiscale computational approach surrounding atomic, molecular and atomic-informed continuum models. In addition to a detailed theoretical description, this book provides example problems, sample code/script, and a discussion on how theoretical analysis provides insight into optimal experimental design. Furthermore, the book addresses the growth mechanism of these 2D materials, the formation of defects, and different lattice mismatch and interlayer interactions. Sections cover direct band gap, Raman scattering, extraordinary strong light matter interaction, layer dependent photoluminescence, and other physical properties. Explains multiscale computational techniques, from atomic to continuum scale, covering different time and length scales Provides fundamental theoretical insights, example problems, sample code and exercise problems Outlines major characterization and synthesis methods for different types of 2D materials

Synthesis Modelling and Characterization of 2D Materials and their Heterostructures

Synthesis  Modelling and Characterization of 2D Materials and their Heterostructures Book
Author : Eui-Hyeok Yang,Dibakar Datta,Junjun Ding,Grzegorz Hader
Publisher : Elsevier
Release : 2020-06-19
ISBN : 0128184760
Language : En, Es, Fr & De

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Book Description :

Synthesis, Modelling and Characterization of 2D Materials and Their Heterostructures provides a detailed discussion on the multiscale computational approach surrounding atomic, molecular and atomic-informed continuum models. In addition to a detailed theoretical description, this book provides example problems, sample code/script, and a discussion on how theoretical analysis provides insight into optimal experimental design. Furthermore, the book addresses the growth mechanism of these 2D materials, the formation of defects, and different lattice mismatch and interlayer interactions. Sections cover direct band gap, Raman scattering, extraordinary strong light matter interaction, layer dependent photoluminescence, and other physical properties. Explains multiscale computational techniques, from atomic to continuum scale, covering different time and length scales Provides fundamental theoretical insights, example problems, sample code and exercise problems Outlines major characterization and synthesis methods for different types of 2D materials

2D Nanoscale Heterostructured Materials

2D Nanoscale Heterostructured Materials Book
Author : Satyabrata Jit,Santanu Das
Publisher : Elsevier
Release : 2020-05-09
ISBN : 0128176792
Language : En, Es, Fr & De

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Book Description :

2D Nanoscale Heterostructured Materials: Synthesis, Properties, and Applications assesses the current status and future prospects for 2D materials other than graphene (e.g., BN nanosheets, MoS2, NbSe2, WS2, etc.) that have already been contemplated for both low-end and high-end technological applications. The book offers an overview of the different synthesis techniques for 2D materials and their heterostructures, with a detailed explanation of the many potential future applications. It provides an informed overview and fundamentals properties related to the 2D Transition metal dichalcogenide materials and their heterostructures. The book helps researchers to understand the progress of this field and points the way to future research in this area. Explores synthesis techniques of newly evolved 2D materials and their heterostructures with controlled properties Offers detailed analysis of the fundamental properties (via various experimental process and simulations techniques) of 2D heterostructures materials Discusses the applications of 2D heterostructured materials in various high-performance devices

Inorganic Two dimensional Nanomaterials

Inorganic Two dimensional Nanomaterials Book
Author : Changzheng Wu
Publisher : Royal Society of Chemistry
Release : 2017-08-22
ISBN : 1788012062
Language : En, Es, Fr & De

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Book Description :

Inorganic 2D nanomaterials, or inorganic graphene analogues, are gaining great attention due to their unique properties and potential energy applications. They contain ultrathin nanosheet morphology with one-dimensional confinement, but unlike pure carbon graphene, inorganic two-dimensional nanomaterials have a more abundant elemental composition and can form different crystallographic structures. These properties contribute to their unique chemical reaction activity, tunable physical properties and facilitate applications in the field of energy conversion and storage. Inorganic Two-dimensional Nanomaterials details the development of the nanostructures from computational simulation and theoretical understanding to their synthesis and characterization. Individual chapters then cover different applications of the materials as electrocatalysts, flexible supercapicitors, flexible lithium ion batteries and thermoelectrical devices. The book provides a comprehensive overview of the field for researchers working in the areas of materials chemistry, physics, energy and catalysis.

Chemical Abstracts

Chemical Abstracts Book
Author : Anonim
Publisher : Unknown
Release : 2002
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Chemical Abstracts book written by , available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Tuning the Spin Transport and Magnetic Properties of 2D Materials at the Atomic Scale

Tuning the Spin Transport and Magnetic Properties of 2D Materials at the Atomic Scale Book
Author : Tiancong Zhu
Publisher : Unknown
Release : 2019
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

The study of two-dimensional (2D) materials has attracted considerable attention in the past decade. Due to the reduced dimensionality and atomically thin nature of these materials, 2D materials carry many unique properties compared to their 3D counterparts. They are also highly tunable through surface modification or in proximity to other materials. The development of 2D materials has also made a significant impact in the field of spintronics, which studies the electron spin and its associated magnetic moment for computation and information storage. The long spin lifetime and record-setting spin diffusion length in graphene, the demonstration of strong modulation of spin transport in 2D material heterostructures, and the discovery of magnetism in 2D van der Waals materials have brought many new directions as well as opportunities for advancing the field of spintronics. This dissertation focuses on the work of studying and tuning the spin transport and magnetic properties in 2D materials at the atomic scale. The spin transport section will start with understanding the tunneling spin injection process in graphene (Chapter 3), which is critical for the operation of a spintronic device. Next is a detailed discussion about theoretical modeling for extracting spin lifetime anisotropy with oblique spin precession measurement (Chapter 4), which is a good method to understand the spin relaxation in 2D materials. Lastly, on the topic of spin transport, one of the first experimental demonstrations of proximity-induced exchange coupling and modulation of spin transport in graphene heterostructures is presented (Chapter 5). The magnetism in 2D materials section will start with the experimental demonstration of sublattice resolved hydrogen adsorption on bilayer graphene (Chapter 6), which provides a good method for realizing point defect induced magnetism in graphene-based systems. It will be followed with synthesis and characterization of intrinsic van der Waals magnet MnSe2 at the monolayer limit (Chapter 7), which is one of the first discoveries of room temperature intrinsic ferromagnetism in 2D van der Waals materials. Finally, some important tips in analyzing magnetic signals from 2D magnets with SQUID magnetometry will also be discussed (Chapter 8).

Chemical Engineering Progress

Chemical Engineering Progress Book
Author : Anonim
Publisher : Unknown
Release : 2007
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

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Innovative Applications of Mo W Based Catalysts in the Petroleum and Chemical Industry Emerging Research and Opportunities

Innovative Applications of Mo W  Based Catalysts in the Petroleum and Chemical Industry  Emerging Research and Opportunities Book
Author : Ge, Hui,Liu, Xingchen,Wang, Shanmin,Yang, Tao,Wen, Xiaodong
Publisher : IGI Global
Release : 2017-02-08
ISBN : 1522522751
Language : En, Es, Fr & De

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Book Description :

Mo(W)-Based Catalysts have the capacity to drastically impact many different industries. Research on their most current applications is important for the success of many organizations and companies, specifically the chemical and petroleum industries. Innovative Applications of Mo(W)-Based Catalysts in the Petroleum and Chemical Industry: Emerging Research and Opportunities is an informative resource that overviews emerging methods and techniques that incorporate 2D layer Mo(W) dichalcogenides. Featuring extensive coverage on a range of subjects including 2D nanosheets, hybridization, dichacogenides, and oxide based catalysts, this is an ideal publication for academicians, students, engineers, and researchers seeking insight on the latest advancements in Mo(W)-Based catalyst applications.

Physics Briefs

Physics Briefs Book
Author : Anonim
Publisher : Unknown
Release : 1993
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

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International Aerospace Abstracts

International Aerospace Abstracts Book
Author : Anonim
Publisher : Unknown
Release : 1999
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

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American Doctoral Dissertations

American Doctoral Dissertations Book
Author : Anonim
Publisher : Unknown
Release : 2001
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

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Synthesis of Complex Nanostructures of Layered Metal Chalcogenides and Other Nanomaterials Using Colloidal Chemistry

Synthesis of Complex Nanostructures of Layered Metal Chalcogenides and Other Nanomaterials Using Colloidal Chemistry Book
Author : Du Sun
Publisher : Unknown
Release : 2016
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

To access novel and complex nanostructures spanning the wide variety of chemical composition and crystal conformation has significant impact on the next technology revolution in the sense that the ability to produce advanced materials underpins the development of the future devices. Solution-based chemical synthesis of nanomaterials in the colloidal solution has attracted numerous attentions in the last few decades because the huge potential scientists have seen in this method to achieve unprecedented control over the materials characteristics such as morphology, composition, size, and uniformity demonstrated by the successful synthesis of quantum dots to the construction of complex hierarchical structures. Layered metal chalcogenides is a family of compounds that when reducing the layer thickness into nanoscale becomes a good analog to graphene, but with much more plentiful choices of chemical composition and properties. The application of colloidal synthesis into making 2D materials based on the layered metal chalcogenides is an exciting research direction but still in its infancy. In this dissertation we describe how to control the reaction parameters in colloidal synthesis to make meta-stable and complex nanostructures with interesting properties that could have potential application in the field of energy storage and conversion. First, we discuss the colloidal synthesis of amorphous germanium iron alloy nanoparticles and their electrochemical performance as anode materials for lithium ion batteries. The meta-stable amorphous state of the particles was achieved by a fast quenching step following the crystal nucleation and growth. Both thermodynamic and kinetic factors are evaluated through aliquot study to elucidate the growth pathways. The as-prepared sample was tested for the half-cell and acquired good specific capacity and cycling stability. The addition of iron into the germanium is believed to effectively alleviate the volume change during the lithiation/delithiation process of germanium and possibly has a good impact on the overall electrical conductivity of the material. Introducing earth-abundant elements into the silicon-related materials is a promising way to reduce the cost of the next generation lithium ion batteries while still maintain a good performance. Next, the principles we learned in the colloidal synthesis of metal alloys are adopted and modified to successfully make MoSe2 nanoflowers that comprise of poly-crystalline few-layered nanosheets. Besides the reaction kinetics, precursor choices that affect the reactivity of the chalcogen entities in the solution have been identified as the key parameters to determine both the morphology and crystallinity of the final product. Characterization techniques like powder XRD and high-resolution TEM have been employed to reveal a slight deviation of the crystal structure of the nanoflowers from the bulk counterpart, which we believe can be attributed to the few-layer nature of these flowers. Raman spectroscopy is used to probe the interlayer decoupling behavior of the flowers with different size and layer thickness compared with the bulk MoSe2. We found out that the interlayer interaction can be modulated through laser heating, thermal, as well as nanostructuring effect and especially the laser modulation could result fast and reversible response. This study presents the possibility and feasibility of using colloidally synthesized TMDs as the platform to understand the 2D properties of these materials.Chapter 4 takes the knowledge we learn in the previous two studies into the exploration of novel and under-studied ternary metal chalcogenides using colloidal synthesis. By a facile one-pot heat-up method, we have successfully obtained a ternary In4SnSe4 with a unique crystal structure that is drastically different from the well-known binary metal chalcogenides crystal structures of zincblende or wurtzite that are both derivative of diamond structure. The as-prepared microwires of In4SnSe is proven by high-resolution TEM and STEM-EDS mapping to have a surface Si-contained oxide layer of about 10~20 nm. Bandgap calculation of the In4SnSe predicts an electronic band structure with a direct band gap of 2.0 eV, which matches well with the solar spectrum and make it a promising candidate material in the photovoltaic devices. The optical bandgap of the as-prepared sample was also measured by diffuse reflectance UV-Vis spectroscopy and yielding a value of 1.57 eV, which matches well with the photoluminescence peak located around 1.54 eV. Both theoretical and experimental result corroborate on the possession of a direct bandgap of ~1.5 eV for the In4SnSe4, which could attract more studies on this family of materials that have similar crystal structure. Finally, the GeSe and SnSe from the layered metal chalcogenides family are used as a model system to study the possibility of making 2D heterostructures in colloidal solution. We have employed both heat-up and continuous hot-injection method to test various reaction parameters such as precursor concentration and adding sequence and are able to obtain five different samples of 2D heterostructures, one of which realized a full coverage of SnSe on top of the entire GeSe hexagonal sheet. These 2D heterostructures are in the scale of few micron meters, which has never been achieved in any other 2D heterostructures before. By comparing the morphologies of the five samples, we propose a growth pathway that affected by both thermodynamics and kinetics, involving the competition between homogeneous nucleation/growth and the heterogeneous nucleation/growth. The methodology in this study can be potentially applied to other 2D systems with more imminent technical significance.

Dissertation Abstracts International

Dissertation Abstracts International Book
Author : Anonim
Publisher : Unknown
Release : 2008
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

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Nanoelectronic Materials

Nanoelectronic Materials Book
Author : Loutfy H. Madkour
Publisher : Springer
Release : 2019-06-27
ISBN : 3030216217
Language : En, Es, Fr & De

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Book Description :

This book presents synthesis techniques for the preparation of low-dimensional nanomaterials including 0D (quantum dots), 1D (nanowires, nanotubes) and 2D (thin films, few layers), as well as their potential applications in nanoelectronic systems. It focuses on the size effects involved in the transition from bulk materials to nanomaterials; the electronic properties of nanoscale devices; and different classes of nanomaterials from microelectronics to nanoelectronics, to molecular electronics. Furthermore, it demonstrates the structural stability, physical, chemical, magnetic, optical, electrical, thermal, electronic and mechanical properties of the nanomaterials. Subsequent chapters address their characterization, fabrication techniques from lab-scale to mass production, and functionality. In turn, the book considers the environmental impact of nanotechnology and novel applications in the mechanical industries, energy harvesting, clean energy, manufacturing materials, electronics, transistors, health and medical therapy. In closing, it addresses the combination of biological systems with nanoelectronics and highlights examples of nanoelectronic–cell interfaces and other advanced medical applications. The book answers the following questions: • What is different at the nanoscale? • What is new about nanoscience? • What are nanomaterials (NMs)? • What are the fundamental issues in nanomaterials? • Where are nanomaterials found? • What nanomaterials exist in nature? • What is the importance of NMs in our lives? • Why so much interest in nanomaterials? • What is at nanoscale in nanomaterials? • What is graphene? • Are pure low-dimensional systems interesting and worth pursuing? • Are nanotechnology products currently available? • What are sensors? • How can Artificial Intelligence (AI) and nanotechnology work together? • What are the recent advances in nanoelectronic materials? • What are the latest applications of NMs?

Ceramic Abstracts

Ceramic Abstracts Book
Author : American Ceramic Society
Publisher : Unknown
Release : 1997
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

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Energy Research Abstracts

Energy Research Abstracts Book
Author : Anonim
Publisher : Unknown
Release : 1995
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Includes all works deriving from DOE, other related government-sponsored information and foreign nonnuclear information.

Journal of Nano Research Vol 62

Journal of Nano Research Vol  62 Book
Author : Trans Tech Publications, Limited
Publisher : Trans Tech Publications Ltd
Release : 2020-04-24
ISBN : 3035736227
Language : En, Es, Fr & De

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Book Description :

The 62nd volume of the "Journal of Nano Research" presents a collection of peer-reviewed papers based on the research results in the field of synthesis and properties analysis of various nanomaterials and nanostructures for the ecological goals and industrial applications in microelectronics and mechatronics. This volume of the journal will be useful and interesting for a wide range of engineers, scientists, and students whose activity is related to the creation and the use of nanomaterials and nanotechnologies in different branches of human activity.

Electrical Electronics Abstracts

Electrical   Electronics Abstracts Book
Author : Anonim
Publisher : Unknown
Release : 1997
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

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Multifunctional Oxide Heterostructures

Multifunctional Oxide Heterostructures Book
Author : Evgeny Y. Tsymbal,Elbio R. A. Dagotto,Chang-Beom Eom,Ramamoorthy Ramesh
Publisher : OUP Oxford
Release : 2012-08-30
ISBN : 0191642223
Language : En, Es, Fr & De

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Book Description :

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.

Government Reports Announcements Index

Government Reports Announcements   Index Book
Author : Anonim
Publisher : Unknown
Release : 1996
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Government Reports Announcements Index book written by , available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.