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Electrical carrier mobility measurem...

Keck, Christopher Lawrence.

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Electrical carrier mobility measurements of amorphous hydrogenated boron carbide using space-charge-limited current techniques.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Electrical carrier mobility measurements of amorphous hydrogenated boron carbide using space-charge-limited current techniques./
Author:	Keck, Christopher Lawrence.
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 2015,
Description:	136 p.
Notes:	Source: Masters Abstracts International, Volume: 54-05.
Contained By:	Masters Abstracts International54-05(E).
Subject:	Condensed matter physics. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1591069
ISBN:	9781321815221

Electrical carrier mobility measurements of amorphous hydrogenated boron carbide using space-charge-limited current techniques.
Keck, Christopher Lawrence.

Electrical carrier mobility measurements of amorphous hydrogenated boron carbide using space-charge-limited current techniques. - Ann Arbor : ProQuest Dissertations & Theses, 2015 - 136 p.

Source: Masters Abstracts International, Volume: 54-05.

Thesis (M.S.)--University of Missouri - Kansas City, 2015.

Within the field of neutron detection, there has been a push to develop solid-state direct-conversion devices. Amorphous hydrogenated boron carbide (a-BxC:Hy) is of particular interest for this purpose because it has a high thermal neutron capture cross-section and high resistivity. To develop an a-B xC:Hy based neutron detector, it is very important to know its charge carrier mobility. Because a-B xC:Hy has a high resistivity and an expectedly low mobility, traditional techniques for measuring mobility, like DC Hall, are not viable. To determine the mobility of a-B xC:Hy, measurement systems based on the steady-state space-charge-limited current (SS-SCLC) and dark-injection space-charge-limited current (DI-SCLC) techniques were developed to get beyond the low mobility limitation. The mobility measurements were performed on a series of a-BxC:Hy samples to determine the range of mobility values and to set a baseline for future research in optimizing the mobility. The samples were found to have very low values for mobility, typically in the range of 10--12 to 10--9 cm2/(V·s). While this indicates that a-BxC:Hy is unsuitable for thick-film neutron detection, the range in mobility and resistivity values suggests that it can potentially be improved. As such, further research is necessary before an a-BxC:H y based neutron detector can be fully realized.

ISBN: 9781321815221Subjects--Topical Terms:

3173567
Condensed matter physics.

Electrical carrier mobility measurements of amorphous hydrogenated boron carbide using space-charge-limited current techniques.
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100 1 $a Keck, Christopher Lawrence. $3 3281158
245 1 0 $a Electrical carrier mobility measurements of amorphous hydrogenated boron carbide using space-charge-limited current techniques.
260 1 $a Ann Arbor : $b ProQuest Dissertations & Theses, $c 2015
300 $a 136 p.
500 $a Source: Masters Abstracts International, Volume: 54-05.
500 $a Adviser: Michelle Paquette.
502 $a Thesis (M.S.)--University of Missouri - Kansas City, 2015.
520 $a Within the field of neutron detection, there has been a push to develop solid-state direct-conversion devices. Amorphous hydrogenated boron carbide (a-BxC:Hy) is of particular interest for this purpose because it has a high thermal neutron capture cross-section and high resistivity. To develop an a-B xC:Hy based neutron detector, it is very important to know its charge carrier mobility. Because a-B xC:Hy has a high resistivity and an expectedly low mobility, traditional techniques for measuring mobility, like DC Hall, are not viable. To determine the mobility of a-B xC:Hy, measurement systems based on the steady-state space-charge-limited current (SS-SCLC) and dark-injection space-charge-limited current (DI-SCLC) techniques were developed to get beyond the low mobility limitation. The mobility measurements were performed on a series of a-BxC:Hy samples to determine the range of mobility values and to set a baseline for future research in optimizing the mobility. The samples were found to have very low values for mobility, typically in the range of 10--12 to 10--9 cm2/(V·s). While this indicates that a-BxC:Hy is unsuitable for thick-film neutron detection, the range in mobility and resistivity values suggests that it can potentially be improved. As such, further research is necessary before an a-BxC:H y based neutron detector can be fully realized.
590 $a School code: 0134.
650 4 $a Condensed matter physics. $3 3173567
690 $a 0611
710 2 $a University of Missouri - Kansas City. $b Physics. $3 2099124
773 0 $t Masters Abstracts International $g 54-05(E).
790 $a 0134
791 $a M.S.
792 $a 2015
793 $a English
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1591069