Thermal Conductivity Measurements in Atomically Thin Materials and Devices

verfasst von: Prof. Dr. T. Serkan Kasirga

Verlag: Springer Singapore

Buchreihe : SpringerBriefs in Applied Sciences and Technology

Enthalten in: Springer Professional "Wirtschaft+Technik" , Springer Professional "Technik"

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Über dieses Buch

This book assesses the thermal feasibility of using materials with atomically thin layers such as graphene and the transition metal dichalcogenides family in electronics and optoelectronics applications. The focus is on thermal conductivity measurement techniques currently available for the investigation of thermal performance at the material and device level. In addition to providing detailed information on the available techniques, the book introduces readers to novel techniques based on photothermal effects.

Inhaltsverzeichnis

Frontmatter

Chapter 1. Atomically Thin Materials

Abstract

In this chapter, I will provide a brief overview of atomically thin materials that are formed by layers held together by van der Waals forces or weak covalent bonding. These materials provide a unique and cheap way of studying plethora of phenomena. Perhaps, the relative simplicity of the methods that are commonly used in the studies of two dimensional (2D) materials are one of the main reasons why they attracted attention at this level since the advent of graphene. After an introduction to the properties of 2D materials, I will talk about the methods to obtain 2D materials and conclude the chapter with the possibilities of heterostructures of 2D materials.

T. Serkan Kasirga

Chapter 2. Thermal Conductivity Measurements in 2D Materials

Abstract

Measuring the thermal conductivity of materials is a very important field as the continuation of the improvement in modern electronics and optoelectronics heavily depends on the thermal management. Both high thermal conductivity and low thermal conductivity materials are required in the device design. Besides the fields mentioned above, excess heat scavenging via thermoelectric devices is an ever-growing field. Thermoelectric devices performance is determined by the figure of merit \(Z=S^2 \sigma \kappa \) where S is the Seebeck coefficient, \(\sigma \) is the electrical conductivity and \(\kappa \) is the thermal conductivity. Materials that are good electrical conductors and thermal insulators are needed for efficient thermoelectric devices.

T. Serkan Kasirga

Chapter 3. Thermal Conductivity Measurements via the Bolometric Effect

Abstract

In this chapter I will introduce the measurement of thermal conductivity using the bolometric effect. The bolometric effect is defined as the resistivity change of a material due to heating. Indeed, the bolometric effect forms the basis of many modern technological sensors and devices. For instance, most commonly used integrated circuit thermometers are based on the well calibrated resistivity change of a Pt strip. Another example is the thermal imaging sensors. A cooled array of high temperature coefficient of resistance material can sensitively detect the infrared spectrum due to the change in the electrical resistance of the active material.

T. Serkan Kasirga

Titel: Thermal Conductivity Measurements in Atomically Thin Materials and Devices
verfasst von: Prof. Dr. T. Serkan Kasirga
Verlag: Springer Singapore
Electronic ISBN: 978-981-15-5348-6
Print ISBN: 978-981-15-5347-9
DOI: https://doi.org/10.1007/978-981-15-5348-6

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