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Filtering by: Creator Lu, Yi Remove constraint Creator: Lu, Yi Contributor advisor sim Keszler, Douglas A. Remove constraint Contributor advisor sim: Keszler, Douglas A.

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Synthesis and study of transparent p- and n-type semiconductors and luminescent materials

Creator:

Park, Cheol-Hee

Abstract:

New transparent p- and n-type semiconductors and luminescent materials have been prepared and characterized. Synthesis, structures, optical and electrical properties of new chalcogenide fluoride p-type transparent semiconductors MCuQF (M=Ba, Sr; Q=S, Se, Te) are described. Band-gap tuning and improvement in conductivity through p-type doping are demonstrated in the family. The...

Resource Type:

Dissertation

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. Woodward at Ohio State University, and Yi Zhou, Dr. Weiji Jia, and Dr. Richard Meltzer at University of
A new trigonal huntite material and subgroup relationships between crystallographic space groups

Creator:

Hruschka, Michael Archimedes and Hruschka, Michael A.

Abstract:

The use of an adjacency matrix to determine distant (not maximal or minimal) subgroup and supergroup relationships between crystallographic spacegroup types is described. Full lists of space-group types that are supergroups and subgroups for every space-group type were compiled. A list of the space-group types connected to each space-group type...

Resource Type:

Dissertation
Phosphor development : synthesis, characterization, and chromatic control

Creator:

Li, Dong

Resource Type:

Dissertation

Full Text:

(+ line) and calculated (solid line) powder diffraction pattern of Yi.25Sc0.75Si05:2%Ce. Difference curve
Synthesis, characterization, and crystal chemistry of new borate optical materials

Creator:

Cox, James Raymond

Resource Type:

Dissertation

Full Text:

. The generic formula Ba3M(B03)3 represents a group of compounds where M = lanthanides Dy through Lu
High quantum-yield phosphors via quantum splitting and upconversion

Creator:

Jeong, Joayoung

Abstract:

The Gd3+ ion has been used to induce quantum splitting in luminescent materials by using cross-relaxation energy transfer (CRET). In Nd:LiGdF4, quantum splitting results from a two-step CRET between Gd3+ and Nd3+, first involving a transition 6G→6I on Gd3+ and an excitation within the 4f3 configuration of Nd3+ followed by...

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Dissertation

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Chang’s groups : Dr. Sangmoon Park, Dr. Cheol-Hee Park, Ji-Eun Yi, Kai Jiang, Dr. Mike Hruschka, Mike
Luminescent sulfides and solution-deposited oxide thin films

Creator:

Anderson, Jeremy T.

Abstract:

Solid state luminescent sulfides are prepared as powders in order to elucidate the relationship between structure and light emission. While the sulfides studied in this dissertation are known phosphors, materials are investigated in a variety of new ways. Elementary properties and structures of MgS are reviewed, and preparation of MgS...

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Dissertation

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synthesis grew with each discovery; Bahar Ozmen and Ji-Eun Yi as part of the workforce for solution

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Academic Affiliation

Chemistry6

Advisor

Keszler, Douglas A.6

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1994 to 2008

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Committee Member

Lerner, Michael M.2
Sleight, Arthur2
Tate, Janet2
Wager, John2
Watson, Philip2
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Creator

Anderson, Jeremy T.1
Cox, James Raymond1
Hruschka, Michael A.1
Hruschka, Michael Archimedes1
Jeong, Joayoung1
more Creators »

Date

Date range begin – Date range end

Current results range from 1993 to 2008

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Decade

2000-20094
1990-19992

Degree Field

Chemistry6

Degree Level

Doctoral6

Degree Name

Doctor of Philosophy (Ph.D.)6

File Format

application/pdf2

Language

English [eng]6

License

All rights reserved4

Non-Academic Affiliation

Oregon State University. Graduate School6

Peer Reviewed

No6

Resource Type

Dissertation6

Rights Statement

In Copyright4
Copyright Not Evaluated2

Subject

Phosphors4
Electroluminescence2
Borate crystals1
Borate crystals -- Optical properties1
Crystallography1
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