Optical Characterization Of Epitaxial Semiconductor Layers
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Author | : Günther Bauer |
Publisher | : Springer Science & Business Media |
Total Pages | : 446 |
Release | : 2012-12-06 |
Genre | : Technology & Engineering |
ISBN | : 3642796788 |
The characterization of epitaxial layers and their surfaces has benefitted a lot from the enormous progress of optical analysis techniques during the last decade. In particular, the dramatic improvement of the structural quality of semiconductor epilayers and heterostructures results to a great deal from the level of sophistication achieved with such analysis techniques. First of all, optical techniques are nondestructive and their sensitivity has been improved to such an extent that nowadays the epilayer analysis can be performed on layers with thicknesses on the atomic scale. Furthermore, the spatial and temporal resolution have been pushed to such limits that real time observation of surface processes during epitaxial growth is possible with techniques like reflectance difference spectroscopy. Of course, optical spectroscopies complement techniques based on the inter action of electrons with matter, but whereas the latter usually require high or ultrahigh vacuum conditions, the former ones can be applied in different environments as well. This advantage could turn out extremely important for a rather technological point of view, i.e. for the surveillance of modern semiconductor processes. Despite the large potential of techniques based on the interaction of electromagnetic waves with surfaces and epilayers, optical techniques are apparently moving only slowly into this area of technology. One reason for this might be that some prejudices still exist regarding their sensitivity.
Author | : Theodore Sidney Moise |
Publisher | : |
Total Pages | : |
Release | : 1992 |
Genre | : |
ISBN | : |
Author | : Henry Kressel |
Publisher | : Elsevier Science & Technology |
Total Pages | : 236 |
Release | : 1976 |
Genre | : Science |
ISBN | : |
Author | : Tingkai Li |
Publisher | : CRC Press |
Total Pages | : 588 |
Release | : 2016-04-19 |
Genre | : Science |
ISBN | : 1439815232 |
Silicon-based microelectronics has steadily improved in various performance-to-cost metrics. But after decades of processor scaling, fundamental limitations and considerable new challenges have emerged. The integration of compound semiconductors is the leading candidate to address many of these issues and to continue the relentless pursuit of more
Author | : Jeff J. Peterson |
Publisher | : |
Total Pages | : 634 |
Release | : 2002 |
Genre | : |
ISBN | : |
Author | : W. E. Quinn |
Publisher | : |
Total Pages | : 4 |
Release | : 1992 |
Genre | : |
ISBN | : |
Device designers are placing new demands on crystal growers by requesting increasingly complex structures with more stringent constraints on composition, layer thickness and interface abruptness. Post growth analysis is no longer sufficient to meet these constraints and efforts are now underway to develop real lime methods of monitoring and controlling crystal growth. A number of diagnostic techniques are available for studying semiconductor surfaces during the growth process. Optical methods are preferred because they may be used at atmospheric pressure, in any transparent medium, and the photon flux is low so that the growth process is riot disturbed. However, optical techniques have a limited spectral range, and low surface sensitivity. Fortunately, the 1.5 to 6 eV energy range of quartz-optics systems contains most of the bonding-antibonding transitions for materials used in the growth of III-V semiconductors.
Author | : O. J. Glembocki |
Publisher | : SPIE-International Society for Optical Engineering |
Total Pages | : 296 |
Release | : 1987 |
Genre | : Technology & Engineering |
ISBN | : |
Author | : John E. Ayers |
Publisher | : CRC Press |
Total Pages | : 660 |
Release | : 2016-10-03 |
Genre | : Technology & Engineering |
ISBN | : 1482254360 |
In the past ten years, heteroepitaxy has continued to increase in importance with the explosive growth of the electronics industry and the development of a myriad of heteroepitaxial devices for solid state lighting, green energy, displays, communications, and digital computing. Our ever-growing understanding of the basic physics and chemistry underlying heteroepitaxy, especially lattice relaxation and dislocation dynamic, has enabled an ever-increasing emphasis on metamorphic devices. To reflect this focus, two all-new chapters have been included in this new edition. One chapter addresses metamorphic buffer layers, and the other covers metamorphic devices. The remaining seven chapters have been revised extensively with new material on crystal symmetry and relationships, III-nitride materials, lattice relaxation physics and models, in-situ characterization, and reciprocal space maps.
Author | : Ted Wangensteen |
Publisher | : |
Total Pages | : 4 |
Release | : 1997 |
Genre | : Epitaxy |
ISBN | : |
Author | : Claudio Ferrari |
Publisher | : Elsevier Inc. Chapters |
Total Pages | : 59 |
Release | : 2013-04-11 |
Genre | : Science |
ISBN | : 0128083360 |