Physical properties of diamond and sapphire

93 Pages·2019·5.632 MB·English

by  Roshan Lal Aggarwal, Anant K. Ramdas

Physical Properties of
Diamond and Sapphire

Physical Properties of
Diamond and Sapphire
Roshan L. Aggarwal
Anant K. Ramdas
CRC Press
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Library of Congress Cataloging-in-Publication Data
Names: Aggarwal, R. L. (Roshan Lal), 1937- author. | Ramdas, Anant K., author.
Title: Physical properties of diamond and sapphire / Roshan L. Aggarwal and
Anant K. Ramdas.
Description: First edition. | Boca Raton, FL : CRC Press/Taylor & Francis
Group, 2019. | Includes bibliographical references and index.
Identifiers: LCCN 2019006297| ISBN 9780367235086 (hardback : acid-free
paper) | ISBN 9780429283260 (ebook)
Subjects: LCSH: Diamonds. | Sapphires.
Classification: LCC QE393 .A384 2019 | DDC 549/.27--dc23
LC record available at https://lccn.loc.gov/2019006297
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This monograph is dedicated to our parents
(Chet Ram Aggarwal and Lila Vati Aggarwal and
Lakshminarayanapuram AnanthakrishnaIyer Ramdas
and Kalyani Ramdas), our spouses (Pushap Lata
Aggarwal and Vasanthalakshmi Ramdas), our
children (Rajesh Aggarwal and Achal Aggarwal),
and our grandchildren (Isha Aggarwal, Neena
Aggarwal, Akash Aggarwal, and Ashok Aggarwal).

Contents
Preface, xi
Acknowledgments, xiii
Authors, xv
Chapter 1 ◾ Introduction 1
1.1 DIAMOND 3
1.1.1 Color of Natural Diamonds 3
1.1.2 Physical Properties of Diamond 3
1.2 SAPPHIRE 6
1.2.1 Colors of Sapphire 6
1.2.2 Physical Properties of Sapphire 8
Chapter 2 ◾ Crystal Structure and Growth 9
2.1 DIAMOND 9
2.2 SAPPHIRE 12
Chapter 3 ◾ Mechanical Properties of Diamond 17
3.1 HARDNESS 17
3.2 TENSILE STRENGTH 17
3.3 COMPRESSIVE STRENGTH 18
3.4 YOUNG’S MODULUS 18
3.5 ELASTIC CONSTANTS 20
vii
viii ◾ Contents
Chapter 4 ◾ Mechanical Properties of Sapphire 21
4.1 HARDNESS 21
4.2 TENSILE STRENGTH 21
4.3 YOUNG’S MODULUS 23
4.4 ELASTIC CONSTANTS 24
Chapter 5 ◾ Thermal Properties of Diamond 25
5.1 THERMAL EXPANSION 25
5.2 SPECIFIC HEAT 27
5.3 THERMAL CONDUCTIVITY 30
Chapter 6 ◾ Thermal Properties of Sapphire 33
6.1 THERMAL EXPANSION 33
6.2 SPECIFIC HEAT 34
6.3 THERMAL CONDUCTIVITY 35
Chapter 7 ◾ Optical Properties of Diamond 37
7.1 TRANSMISSION RANGE 37
7.2 REFRACTIVE INDEX 38
7.3 ABSORPTION SPECTRUM 40
Chapter 8 ◾ Optical Properties of Sapphire 43
8.1 TRANSMISSION AND ABSORPTION 43
8.2 REFRACTIVE INDEX 44
Chapter 9 ◾ Light Scattering of Diamond 47
9.1 RAMAN SCATTERING 47
9.2 BRILLOUIN SCATTERING 52
Contents   ◾   ix
Chapter 10 ◾ Light Scattering of Sapphire 55
10.1 RAMAN SCATTERING 55
10.2 BRILLOUIN SCATTERING 59
Chapter 11 ◾ Sapphire Lasers 63
11.1 CHROMIUM-DOPED SAPPHIRE LASER 63
11.2 TITANIUM-DOPED SAPPHIRE LASER 63
REFERENCES, 67
INDEX, 73