Springer Theses

Self-Organized Quantum Dots for Memories

Electronic Properties and Carrier Dynamics

Authors: Nowozin, Tobias

  • Nominated as an outstanding Ph.D. thesis by the Technical University of Berlin, Germany
  • Investigates novel heterostructures: GaSb/GaAs, InGaAs/GaP
  • Covers the detection of many-particle hole ground states in QDs
  • Presents a highly innovative memory concept
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  • Due: October 13, 2016
  • ISBN 978-3-319-37899-2
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About this book

Today’s semiconductor memory market is divided between two types of memory: DRAM and Flash. Each has its own advantages and disadvantages. While DRAM is fast but volatile, Flash is non-volatile but slow. A memory system based on self-organized quantum dots (QDs) as storage node could combine the advantages of modern DRAM and Flash, thus merging the latter’s non-volatility with very fast write times.

This thesis investigates the electronic properties of and carrier dynamics in self-organized quantum dots by means of time-resolved capacitance spectroscopy and time-resolved current measurements. The first aim is to study the localization energy of various QD systems in order to assess the potential of increasing the storage time in QDs to non-volatility. Surprisingly, it is found that the major impact of carrier capture cross-sections of QDs is to influence, and at times counterbalance, carrier storage in addition to the localization energy. The second aim is to study the coupling between a layer of self-organized QDs and a two-dimensional hole gas (2DHG), which is relevant for the read-out process in memory systems. The investigation yields the discovery of the many-particle ground states in the QD ensemble. In addition to its technological relevance, the thesis also offers new insights into the fascinating field of nanostructure physics.

Table of contents (8 chapters)

Buy this book

eBook $99.00
price for USA (gross)
  • ISBN 978-3-319-01970-3
  • Digitally watermarked, DRM-free
  • Included format: EPUB, PDF
  • ebooks can be used on all reading devices
  • Immediate eBook download after purchase
Hardcover $129.00
price for USA
  • ISBN 978-3-319-01969-7
  • Free shipping for individuals worldwide
  • Usually dispatched within 3 to 5 business days.
Softcover $129.00
price for USA
  • Customers within the U.S. and Canada please contact Customer Service at 1-800-777-4643, Latin America please contact us at +1-212-460-1500 (Weekdays 8:30am – 5:30pm ET) to place your order.
  • Due: October 13, 2016
  • ISBN 978-3-319-37899-2
  • Free shipping for individuals worldwide
Rent the ebook  
  • Rental duration: 1 or 6 month
  • low-cost access
  • online reader with highlighting and note-making option
  • can be used across all devices
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Bibliographic Information

Bibliographic Information
Book Title
Self-Organized Quantum Dots for Memories
Book Subtitle
Electronic Properties and Carrier Dynamics
Authors
Series Title
Springer Theses
Copyright
2014
Publisher
Springer International Publishing
Copyright Holder
Springer International Publishing Switzerland
eBook ISBN
978-3-319-01970-3
DOI
10.1007/978-3-319-01970-3
Hardcover ISBN
978-3-319-01969-7
Softcover ISBN
978-3-319-37899-2
Series ISSN
2190-5053
Edition Number
1
Number of Pages
XVI, 153
Number of Illustrations and Tables
82 b/w illustrations, 9 illustrations in colour
Topics