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Aluminum gallium nitride UV optoelectronic devices : = Device design, fabrication and characterization.

紀錄類型:	書目-語言資料,手稿 : Monograph/item
正題名/作者:	Aluminum gallium nitride UV optoelectronic devices :/
其他題名:	Device design, fabrication and characterization.
作者:	Minder, Kathryn A.
面頁冊數:	1 online resource (234 pages)
附註:	Source: Dissertation Abstracts International, Volume: 69-11, Section: B, page: 7041.
Contained By:	Dissertation Abstracts International69-11B.
標題:	Electrical engineering. -
電子資源:	click for full text (PQDT)
ISBN:	9780549897385

Aluminum gallium nitride UV optoelectronic devices : = Device design, fabrication and characterization.
Minder, Kathryn A.

Aluminum gallium nitride UV optoelectronic devices :Device design, fabrication and characterization. - 1 online resource (234 pages)

Source: Dissertation Abstracts International, Volume: 69-11, Section: B, page: 7041.

Thesis (Ph.D.)--Northwestern University, 2008.

Includes bibliographical references

The III-Nitride material system has already proven to be commercially viable for blue light emitting diodes (LEDs), blue laser diodes (LDs), and near UV photodetectors. Continued interest in this field has driven the desire for even lower emission and detection cut-off wavelengths into the solar-blind/deep UV portion of the spectrum. Military applications including chemical/biological agent detection and non-line-of-sight (NLOS) communications systems would both benefit from high-power, small size, low weight, robust deep UV emitters and detectors tuned to specific wavelengths. Commercial applications such as white LEDs for efficient, low cost lighting, high density optical data storage, higher resolution laser printing, air/water purification, food sterilization, in-situ activation of drugs, and activation of photochemically sensitive resins would benefit from the development of deep UV emitters. Nitride-based deep UV detectors may be used for UV exposure monitoring, power line fault monitoring, UV flame detection, combustion monitoring, early missile threat warning, aerial and terrestial UV countermeasures, and UV astronomy. Systems of UV emitters and detectors could be used for free-space UV communications and covert space communications. Most of these applications require lightweight, compact devices that can withstand harsh operating conditions. The III-nitride material system is uniquely suited to meet these needs due to its tunable, wide and direct band gap.

Electronic reproduction.
Ann Arbor, Mich. :
ProQuest,
2018

Mode of access: World Wide Web

ISBN: 9780549897385Subjects--Topical Terms:

596380
Electrical engineering.
Index Terms--Genre/Form:

554714
Electronic books.

Aluminum gallium nitride UV optoelectronic devices : = Device design, fabrication and characterization.
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245 1 0 $a Aluminum gallium nitride UV optoelectronic devices : $b Device design, fabrication and characterization.
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300 $a 1 online resource (234 pages)
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500 $a Source: Dissertation Abstracts International, Volume: 69-11, Section: B, page: 7041.
500 $a Adviser: Manijeh Razeghi.
502 $a Thesis (Ph.D.)--Northwestern University, 2008.
504 $a Includes bibliographical references
520 $a The III-Nitride material system has already proven to be commercially viable for blue light emitting diodes (LEDs), blue laser diodes (LDs), and near UV photodetectors. Continued interest in this field has driven the desire for even lower emission and detection cut-off wavelengths into the solar-blind/deep UV portion of the spectrum. Military applications including chemical/biological agent detection and non-line-of-sight (NLOS) communications systems would both benefit from high-power, small size, low weight, robust deep UV emitters and detectors tuned to specific wavelengths. Commercial applications such as white LEDs for efficient, low cost lighting, high density optical data storage, higher resolution laser printing, air/water purification, food sterilization, in-situ activation of drugs, and activation of photochemically sensitive resins would benefit from the development of deep UV emitters. Nitride-based deep UV detectors may be used for UV exposure monitoring, power line fault monitoring, UV flame detection, combustion monitoring, early missile threat warning, aerial and terrestial UV countermeasures, and UV astronomy. Systems of UV emitters and detectors could be used for free-space UV communications and covert space communications. Most of these applications require lightweight, compact devices that can withstand harsh operating conditions. The III-nitride material system is uniquely suited to meet these needs due to its tunable, wide and direct band gap.
520 $a The III-nitride material system, however, faces significant device challenges including lack of a native substrate, difficulty in efficient doping of the material, current crowding effects, lack of appropriate metallic contacts, and etching difficulties. In order to achieve AlGaN-based deep UV emitters and detectors, it is necessary to achieve high aluminum compositions, which increases the band-gap of the material, exacerbating the above-mentioned difficulties.
520 $a This work primarily focuses on the device design, fabrication, and characterization of deep UV LEDs and UV APDs. However, the fabrication principles are also applied to deep UV detectors and focal plane arrays, and work towards achieving LDs and ZnO emitters is also presented. First, an introduction into UV emitters and detectors is presented including applications, alternative technologies, and the properties of the nitride material system. Next, some background information, including a brief survey of the key historical developments within the III-nitride material system, the basic theory of operation of LEDs, LDs, photodiodes, and APDs, and the challenges that face the development of UV optoelectronic devices, is discussed. Material growth, device measurement, device design, processing improvements, and device results are then presented for emitters in section four and detectors in section five. Section six concludes the paper while section seven discusses future work in this area.
533 $a Electronic reproduction. $b Ann Arbor, Mich. : $c ProQuest, $d 2018
538 $a Mode of access: World Wide Web
650 4 $a Electrical engineering. $3 596380
655 7 $a Electronic books. $2 local $3 554714
690 $a 0544
710 2 $a ProQuest Information and Learning Co. $3 1178819
710 2 $a Northwestern University. $b Electrical and Computer Engineering. $3 1186892
773 0 $t Dissertation Abstracts International $g 69-11B.
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3336441 $z click for full text (PQDT)