大葉大學圖書館 |

Temperature and frequency dependence of complex permittivity in metal oxide dielectrics[electronic resource] :theory, modelling and measurement /

紀錄類型:	書目-電子資源 : Monograph/item
杜威分類號:	537.24
書名/作者:	Temperature and frequency dependence of complex permittivity in metal oxide dielectrics : theory, modelling and measurement // by Jonathan Breeze.
作者:	Breeze, Jonathan.
出版者:	Cham : : Springer International Publishing :, 2016.
面頁冊數:	xx, 167 p. : : ill., digital ;; 24 cm.
Contained By:	Springer eBooks
標題:	Dielectrics - Magnetic properties.
標題:	Materials Science.
標題:	Ceramics, Glass, Composites, Natural Methods.
標題:	Microwaves, RF and Optical Engineering.
標題:	Magnetism, Magnetic Materials.
ISBN:	9783319445472
ISBN:	9783319445458
內容註:	Introduction -- Modelling Dielectric Resonators -- Measurement of Dielectric Properties -- Lattice Dynamics and Density Functional Perturbation Theory -- Harmonic Properties of Metal Oxide Dielectrics -- Theory of Anharmonic Phonons -- Anharmonic Properties of MgO -- Discussion and Conclusions.
摘要、提要註:	This thesis investigates the dielectric properties of metal-oxide ceramics at microwave frequencies. It also demonstrates for the first time that a theory of harmonic phonon coupling can effectively predict the complex permittivity of metal oxides as a function of temperature and frequency. Dielectric ceramics are an important class of materials for radio-frequency, microwave and emergent terahertz technologies. Their key property is complex permittivity, the real part of which permits the miniaturisation of devices and the imaginary part of which is responsible for the absorption of electromagnetic energy. Absorption limits the practical performance of many microwave devices such as filters, oscillators, passive circuits and antennas. Complex permittivity as a function of temperature for low-loss dielectrics is determined by measuring the resonant frequency of dielectric resonators and using the radial mode matching technique to extract the dielectric properties. There have been only a handful of publications on the theory of dielectric loss, and their predictions have often been unfortunately unsatisfactory when compared to measurements of real crystals, sometimes differing by whole orders of magnitude. The main reason for this is the lack of accurate data for a harmonic coupling coefficient and phonon eigenfrequencies at arbitrary q vectors in the Brillouin zone. Here, a quantum field theory of losses in dielectrics is applied, using results from density functional perturbation theory, to predict from first principles the complex permittivity of metal oxides as functions of frequency and temperature.
電子資源:	http://dx.doi.org/10.1007/978-3-319-44547-2

Temperature and frequency dependence of complex permittivity in metal oxide dielectrics[electronic resource] :theory, modelling and measurement /
Breeze, Jonathan.

Temperature and frequency dependence of complex permittivity in metal oxide dielectricstheory, modelling and measurement /[electronic resource] :by Jonathan Breeze. - Cham :Springer International Publishing :2016. - xx, 167 p. :ill., digital ;24 cm. - Springer theses,2190-5053. - Springer theses..

Introduction -- Modelling Dielectric Resonators -- Measurement of Dielectric Properties -- Lattice Dynamics and Density Functional Perturbation Theory -- Harmonic Properties of Metal Oxide Dielectrics -- Theory of Anharmonic Phonons -- Anharmonic Properties of MgO -- Discussion and Conclusions.

This thesis investigates the dielectric properties of metal-oxide ceramics at microwave frequencies. It also demonstrates for the first time that a theory of harmonic phonon coupling can effectively predict the complex permittivity of metal oxides as a function of temperature and frequency. Dielectric ceramics are an important class of materials for radio-frequency, microwave and emergent terahertz technologies. Their key property is complex permittivity, the real part of which permits the miniaturisation of devices and the imaginary part of which is responsible for the absorption of electromagnetic energy. Absorption limits the practical performance of many microwave devices such as filters, oscillators, passive circuits and antennas. Complex permittivity as a function of temperature for low-loss dielectrics is determined by measuring the resonant frequency of dielectric resonators and using the radial mode matching technique to extract the dielectric properties. There have been only a handful of publications on the theory of dielectric loss, and their predictions have often been unfortunately unsatisfactory when compared to measurements of real crystals, sometimes differing by whole orders of magnitude. The main reason for this is the lack of accurate data for a harmonic coupling coefficient and phonon eigenfrequencies at arbitrary q vectors in the Brillouin zone. Here, a quantum field theory of losses in dielectrics is applied, using results from density functional perturbation theory, to predict from first principles the complex permittivity of metal oxides as functions of frequency and temperature.

ISBN: 9783319445472

Standard No.: 10.1007/978-3-319-44547-2doiSubjects--Topical Terms:

470012
Dielectrics
--Magnetic properties.

LC Class. No.: QC585.7.M3

Dewey Class. No.: 537.24

Temperature and frequency dependence of complex permittivity in metal oxide dielectrics[electronic resource] :theory, modelling and measurement /
LDR:02985nmm a2200325 a 4500 001 466166
003 DE-He213
005 20160912183855.0
006 m d
007 cr nn 008maaau
008 170415s2016 gw s 0 eng d
020 $a 9783319445472 $q (electronic bk.)
020 $a 9783319445458 $q (paper)
024 7 $a 10.1007/978-3-319-44547-2 $2 doi
035 $a 978-3-319-44547-2
040 $a GP $c GP
041 0 $a eng
050 4 $a QC585.7.M3
072 7 $a TDCQ $2 bicssc
072 7 $a TEC021000 $2 bisacsh
082 0 4 $a 537.24 $2 23
090 $a QC585.7.M3 $b B832 2016
100 1 $a Breeze, Jonathan. $3 670810
245 1 0 $a Temperature and frequency dependence of complex permittivity in metal oxide dielectrics $h [electronic resource] : $b theory, modelling and measurement / $c by Jonathan Breeze.
260 $a Cham : $b Springer International Publishing : $b Imprint: Springer, $c 2016.
300 $a xx, 167 p. : $b ill., digital ; $c 24 cm.
490 1 $a Springer theses, $x 2190-5053
505 0 $a Introduction -- Modelling Dielectric Resonators -- Measurement of Dielectric Properties -- Lattice Dynamics and Density Functional Perturbation Theory -- Harmonic Properties of Metal Oxide Dielectrics -- Theory of Anharmonic Phonons -- Anharmonic Properties of MgO -- Discussion and Conclusions.
520 $a This thesis investigates the dielectric properties of metal-oxide ceramics at microwave frequencies. It also demonstrates for the first time that a theory of harmonic phonon coupling can effectively predict the complex permittivity of metal oxides as a function of temperature and frequency. Dielectric ceramics are an important class of materials for radio-frequency, microwave and emergent terahertz technologies. Their key property is complex permittivity, the real part of which permits the miniaturisation of devices and the imaginary part of which is responsible for the absorption of electromagnetic energy. Absorption limits the practical performance of many microwave devices such as filters, oscillators, passive circuits and antennas. Complex permittivity as a function of temperature for low-loss dielectrics is determined by measuring the resonant frequency of dielectric resonators and using the radial mode matching technique to extract the dielectric properties. There have been only a handful of publications on the theory of dielectric loss, and their predictions have often been unfortunately unsatisfactory when compared to measurements of real crystals, sometimes differing by whole orders of magnitude. The main reason for this is the lack of accurate data for a harmonic coupling coefficient and phonon eigenfrequencies at arbitrary q vectors in the Brillouin zone. Here, a quantum field theory of losses in dielectrics is applied, using results from density functional perturbation theory, to predict from first principles the complex permittivity of metal oxides as functions of frequency and temperature.
650 0 $a Dielectrics $x Magnetic properties. $3 470012
650 1 4 $a Materials Science. $3 463741
650 2 4 $a Ceramics, Glass, Composites, Natural Methods. $3 463795
650 2 4 $a Microwaves, RF and Optical Engineering. $3 463864
650 2 4 $a Magnetism, Magnetic Materials. $3 463743
710 2 $a SpringerLink (Online service) $3 463450
773 0 $t Springer eBooks
830 0 $a Springer theses. $3 463746
856 4 0 $u http://dx.doi.org/10.1007/978-3-319-44547-2
950 $a Chemistry and Materials Science (Springer-11644)