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Magnetization Dynamics in Magnetic Nanoscale Devices
ISBN: 9783659337833 / Angielski / Miękka / 160 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Spintronics (also known as magnetoelectronics) is an emerging technology which exploits the intrinsic spin of electrons and its associated magnetic moments, in addition to its fundamental electronic charges. Utilization of the electrons spins has advantages such as low power consumption, and non-volatility over the conventional electronic devices. Magnetization dynamics in magnetic nanoscale devices has been intensively studied recently due to its potential in memories and logic devices. Two aspects of magnetization dynamics have been investigated in this book such as magnetic domain walls...
Spintronics (also known as magnetoelectronics) is an emerging technology which exploits the intrinsic spin of electrons and its associated magnetic mo...
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cena:
263,91 |
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A Study of Terahertz Time Domain Spectroscopy
ISBN: 9783659345098 / Angielski / Miękka / 96 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. In this work, we utilize femtosecond laser pulse shaping technology to study the role of chirp in generation and detection mechanism of Terahertz pulses with LT-GaAs photoconductive antenna. Experimental results show that the PC antenna excited with slightly up-chirped laser will generate THz pulses with higher peak amplitude, total power and broader bandwidth. In the detection process, similar behaviors have been observed. We use one dimensional Drude-Lorentz model to simulate THz generation and detection processes to analysis our experiment results. Finally, we use this coherently...
In this work, we utilize femtosecond laser pulse shaping technology to study the role of chirp in generation and detection mechanism of Terahertz puls...
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cena:
219,18 |
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Controlling of Two-Phase Induction Machine by Supply Phase Shift
ISBN: 9783659347825 / Angielski / Miękka / 172 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. In this book a phase-difference angle (PDA) controlled pulse width-modulated (PWM) inverter instead of phase voltage modulation and/or frequency changing is proposed to control the speed, and position of a two-phase induction motor. Several characteristics of a two-phase induction motor driven by the PDA inverter are studied to verify the improvement of the motor performances. Also, speed, and position tracking are achieved using the proposed control technique. The book covers in more details the main principles characteristics of the two-phase induction motor especially at voltage,...
In this book a phase-difference angle (PDA) controlled pulse width-modulated (PWM) inverter instead of phase voltage modulation and/or frequency chang...
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cena:
304,16 |
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Theoretical Physics 3: Electrodynamics
ISBN: 9783319401676 / Angielski / Twarda / 659 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. This textbook offers a clear and comprehensive introduction to electrodynamics, one of the core components of undergraduate physics courses. The first part of the book describes the interaction of electric charges and magnetic moments by introducing electro- and magnetostatics. The second part of the book establishes deeper understanding of electrodynamics with the Maxwell equations, quasistationary fields and electromagnetic fields. All sections are accompanied by a detailed introduction to the math needed.
Ideally suited to undergraduate students with some grounding in... This textbook offers a clear and comprehensive introduction to electrodynamics, one of the core components of undergraduate physics courses. The fi... |
cena:
442,79 |
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Nikola Tesla: Prophet Of The Modern Technological Age
ISBN: 9781532867736 / Angielski / Miękka / 242 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. |
cena:
76,84 |
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A New System of Alternate Current Motors and Transformers
ISBN: 9781532859656 / Angielski / Miękka / 28 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. |
cena:
37,22 |
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Estudo de nanocristais de LaF3 dopados com TR e tratados termicamente
ISBN: 9786130168292 / Portugalski / Miękka / 100 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Nanoparticulas (NPs) que emitem por conversao ascendente de energia (CAE) tem varias vantagens convincentes, como a baixa fotodegradacao, rotulagem multicolor, e melhor relacao sinal-ruido, que sao adequadas para uso em diversas aplicacoes. O Fluoreto de Lantanio (LaF3) funciona como uma matriz hospedeira de forma eficiente (frequencia de vibracao maxima de fonon
Nanoparticulas (NPs) que emitem por conversao ascendente de energia (CAE) tem varias vantagens convincentes, como a baixa fotodegradacao, rotulagem mu...
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cena:
245,56 |
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Redução de custos na manutenção dos comutadores sob carga dos trafos
ISBN: 9786130160272 / Portugalski / Miękka / 124 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Neste trabalho e proposta uma metodologia para reducao de custo de manutencao nos comutadores de tap sob carga(OLTC) dos transformadores de potencia de extra alta tensao. A metodologia esta baseada na utilizacao de redes neurais artificiais (RNA) para o processamento inteligente dos sinais de entrada dos comutadores. As redes neurais adequadamente treinadas permitem criar um sistema de informacao e diagnostico dedicado a OLTC que podem interpretar e diagnosticar os componentes atraves das entradas em tempo real de forma a, postergar os intervalos de manutencao, prevendo quando o OLTC devera...
Neste trabalho e proposta uma metodologia para reducao de custo de manutencao nos comutadores de tap sob carga(OLTC) dos transformadores de potencia d...
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cena:
147,16 |
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HVDC Circuit Breaker
ISBN: 9783659773402 / Angielski / Miękka / 124 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. HVDC technology is being used to connect two systems with different frequencies (back to back) and long distance bulk transfer of electrical power due to low losses, no reactive power requirement and virtually no limit to the transmission distance. This book presents various aspects of HVDC to a beginner and focuses on 1) high voltage DC power transmission that includes overhead cables, underground DC cables and submarine cables 2) high voltage circuit breakers that include oil, vacuum, air and SF6 circuit breakers 3) high voltage DC circuit breaker: proposal, simulation and analysis 4)...
HVDC technology is being used to connect two systems with different frequencies (back to back) and long distance bulk transfer of electrical power due...
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cena:
245,56 |
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Spectroscopy of Lasers
ISBN: 9783659772740 / Angielski / Miękka / 52 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. This book is designed as an advanced guide for experiments in Modern Physics. It covers the Spectroscopy of Lasers: Absorption, induced and spontaneous emission, Widths and profiles of Spectral Lines, Natural Linewidth, Absorption, Doppler broadening, Homogeneous and Inhomogeneous broadening, Saturation broadening, Semiconductor diode lasers, Litrow grating mounts, Fabry Perot Interferometer, Atomic Structure of Rubidium, Hyperfine Structure of Rubidium, Cross over signals, Doppler Free Saturated Spectroscopy, Coherent States, Experimental procedure, Data analysis, Finesse of the Fabry Perot...
This book is designed as an advanced guide for experiments in Modern Physics. It covers the Spectroscopy of Lasers: Absorption, induced and spontaneou...
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cena:
160,58 |
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Service Oriented Architectural Model for Power System Stability Study
ISBN: 9783659769641 / Angielski / Miękka / 160 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. The main objective of this book is to describe enhanced service oriented architectural models for power system stability studies using Web service technologies. Due to deregulated environment in the power sectors and unpredicted increase in demand, there is an exponential growth in power system networks to meet the desired operational level. Transient stability analysis plays a significant role in ensuring the stable operation of power systems in the event of large disturbances. With the growth of continued electrification, increasing geographical scale of electricity and high integration...
The main objective of this book is to describe enhanced service oriented architectural models for power system stability studies using Web service tec...
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cena:
290,29 |
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Digitale Holografie
ISBN: 9783639853544 / Niemiecki / Miękka / 100 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. In diesem Buch werden zunachst die physikalischen und mathematischen Grundlagen der klassischen Holografie erlautert. Darauf basierend werden konventionelle Holografie-Verfahren, wie die In-Line- und Off-Axis-Holografie, detailliert erklart. Im weiterem Verlauf des Buches wird die digitale Holografie eingefuhrt und auf die damit verbundenen physikalischen und mathematischen Veranderungen zur klassischen Holografie eingegangen. In diesem Zusammenhang findet besonders die Abtastung eines Hologramms durch einen Sensor und die Auflosung eines digitalen Hologramms Beachtung. Im folgenden werden...
In diesem Buch werden zunachst die physikalischen und mathematischen Grundlagen der klassischen Holografie erlautert. Darauf basierend werden konventi...
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cena:
245,56 |
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Quantum Electrodynamics and Quantum Optics
ISBN: 9781461297178 / Angielski / Miękka / 471 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. The borderline of quantum electrodynamics and quantum optics offer spectacular results and problems concerning the foundations of radiation theory. Perhaps the major new viewpoint that has emerged from recent investigations is that one can now work inside a time-dependent quantum process, whereas up to now all elementary quantum processes were either stationary, or one worked with asymptotic in-and out-states, i.e. an S-matrix approach. In the-rirst part of this volume, the Quantum Electrodynamics, the present status of the main approaches to this most accurate of all physical theories are...
The borderline of quantum electrodynamics and quantum optics offer spectacular results and problems concerning the foundations of radiation theory. Pe...
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cena:
201,24 |
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Thermoelectric Power of Metals
ISBN: 9781461342700 / Angielski / Miękka / 264 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Thermoelectric and related transport properties of metals have been a source of information and, also, exasperation to physicists for over a century. Perhaps the principal reasons for interest in these phenomena are their sensitivity to composition, structure and external fields and, until fairly recently, the distressing fact that often even gross experimental features such as the sign of the thermopower eluded theoretical understanding. During the past two decades many of the previously perplexing aspects of thermoelectricity have yielded to more sophisticated theoretical treat ment. As a...
Thermoelectric and related transport properties of metals have been a source of information and, also, exasperation to physicists for over a century. ...
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cena:
201,24 |
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Quantum Transport in Ultrasmall Devices: Proceedings of a NATO Advanced Study Institute on Quantum Transport in Ultrasmall Devices, Held July 17-30, 1
ISBN: 9781461358091 / Angielski / Miękka / 544 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. The operation of semiconductor devices depends upon the use of electrical potential barriers (such as gate depletion) in controlling the carrier densities (electrons and holes) and their transport. Although a successful device design is quite complicated and involves many aspects, the device engineering is mostly to devise a "best" device design by defIning optimal device structures and manipulating impurity profIles to obtain optimal control of the carrier flow through the device. This becomes increasingly diffIcult as the device scale becomes smaller and smaller. Since the introduction of...
The operation of semiconductor devices depends upon the use of electrical potential barriers (such as gate depletion) in controlling the carrier densi...
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cena:
805,10 |
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Negative Differential Resistance and Instabilities in 2-D Semiconductors
ISBN: 9781461362203 / Angielski / Miękka / 454 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Instabilities associated with hot electrons in semiconductors have been investigated from the beginning of transistor physics in the 194Os. The study of NDR and impact ionization in bulk material led to devices like the Gunn diode and the avalanche-photo-diode. In layered semiconductors domain formation in HEMTs can lead to excess gate leakage and to excess noise. The studies of hot electron transport parallel to the layers in heterostructures, single and multiple, have shown abundant evidence of electrical instability and there has been no shortage of suggestions concerning novel NDR...
Instabilities associated with hot electrons in semiconductors have been investigated from the beginning of transistor physics in the 194Os. The study ...
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cena:
201,24 |
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Intersubband Transitions in Quantum Wells
ISBN: 9781461364757 / Angielski / Miękka / 345 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. This book contains the lectures delivered at the NATO Advanced Research Workshop on the "Intersubband Transistions in Quantum Wells" held in Cargese, France, between the t 9 h and the 14th of September 1991. The urge for this Workshop was justified by the impressive growth of work dealing with this subject during the last two or three years. Indeed, thanks to recent progresses of epitaxial growth techniques, such as Molecular Beam Epitaxy, it is now possible to realize semiconductor layers ( e.g. GaAs) with thicknesses controlled within one atomic layer, sandwiched between insulating layers...
This book contains the lectures delivered at the NATO Advanced Research Workshop on the "Intersubband Transistions in Quantum Wells" held in Cargese, ...
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cena:
201,24 |
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Semimagnetic Semiconductors and Diluted Magnetic Semiconductors
ISBN: 9781461366836 / Angielski / Miękka / 274 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Semimagnetic semiconductors (SMSC) and diluted magnetic semiconductors (DMS) have in the past decade attracted considerable attention because they confer many new physical properties on both bulk materials and heterostructures. These new effects are due either to exchange interactions between magnetic moments on magnetic ions, or to exchange interactions between magnetic moments and the spin of the charge carrier. These effects vary with the transition metal (Mn, Fe, Co) or rare earth (Eu, Gd, etc) used and thus provide a range of different situations. The field is very large (zero gap, small...
Semimagnetic semiconductors (SMSC) and diluted magnetic semiconductors (DMS) have in the past decade attracted considerable attention because they con...
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cena:
201,24 |
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Ultra-Wideband, Short-Pulse Electromagnetics 10
ISBN: 9781461494997 / Angielski / Twarda / 496 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. This book presents contributions of deep technical content and high scientific quality in the areas of electromagnetic theory, scattering, UWB antennas, UWB systems, ground penetrating radar (GPR), UWB communications, pulsed-power generation, time-domain computational electromagnetics, UWB compatibility, target detection and discrimination, propagation through dispersive media, and wavelet and multi-resolution techniques. Ultra-wideband (UWB), short-pulse (SP) electromagnetics are now being used for an increasingly wide variety of applications, including collision avoidance radar, concealed...
This book presents contributions of deep technical content and high scientific quality in the areas of electromagnetic theory, scattering, UWB antenna...
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cena:
1127,15 |
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Semiconductor Physics
ISBN: 9781461578420 / Angielski / Miękka / 562 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. I am happy indeed to write a foreword to this book. Since it was founded, the A. F. Ioffe Institute in Leningrad has been in the forefront of semiconductor research. I visited it in 1934, and vividly remember A . F. Ioffe himself and J. Frenkel and their kindness to me, and to others attending the meeting to celebrate the hundredth anniversary of Mendeleev. In the last years my own work on non-crystalline semiconductors has been strongly influenced by the work of B. T. Kolomiets and his co-workers. The English-speaking world should know the great Institute better, and this book will, I am...
I am happy indeed to write a foreword to this book. Since it was founded, the A. F. Ioffe Institute in Leningrad has been in the forefront of semicond...
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cena:
402,53 |
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