Meetings & Events

 

2015 MRS Spring Meeting Logo2015 MRS Spring Meeting & Exhibit

April 6-10, 2015 | San Francisco
Meeting Chairs: Artur Braun, Hongyou Fan, Ken Haenen, Lia Stanciu, Jeremy A. Theil



Symposium FF : Defects in Semiconductors---Relationship to Optoelectronic Properties

2015-04-07   Show All Abstracts

Symposium Organizers

Yong Chen, Univ of California, Los Angeles
Zuzanna Liliental-Weber, Lawrence Berkeley National Laboratory
Jagdish Narayan, North Carolina State University
Eicke Weber, Fraunhofer ISE

Symposium Support

Fraunhofer-Institut fur Solare Energiesysteme ISE
Lawrence Berkeley National Laboratory
Materials Science Department UC Berkeley
University of Texas at Austin
FF2: Structure-Property-Relationship II (In Memory of Prof. J. Washburn)
Session Chairs
Timothy Sands
Tuesday PM, April 07, 2015
Moscone West, Level 3, Room 3016

2:30 AM - *FF2.01
The Role of Defects on CdTe Solar Cell Efficiency

Stephen Pennycook 1 Chen Li 2 Jonathan Poplawsky 3 Naba Paudel 4 Mowafak Al-Jassim 5 Yanfa Yan 6

1University of Tennessee Knoxville United States2University of Vienna Vienna Austria3Oak Ridge National Laboratory Oak Ridge United States4University of Toledo Toledo United States5National Renewable Energy Laboratory Golden United States6The University of Toledo Toledo United States

Show Abstract

3:00 AM - FF2.02
0+2 - A First Principles Study of Interactions Among Point Defects and Grain Boundaries in CdTe

Fatih G Sen 2 Christopher Buurma 3 Tadas Paulauskas 3 Ce Sun 1 Moon Kim 1 Robert Klie 3 Maria K Chan 2

1Univ of Texas-Dallas Richardson United States2Argonne National Laboratory Argonne United States3University of Illinois at Chicago Chicago United States

Show Abstract

3:15 AM - FF2.03
Characterization of Extended Defects Observed in Cadmium Zinc Telluride (CZT) Crystals

Samuel Uba 1 Stephen Oluseyi Babalola 1 Anwar Hossain 2 Ralph B. James 2 Trent Montgomery 1

1Alabama Aamp;M University Huntsville United States2Brookhaven National Laboratory Upton United States

Show Abstract

3:30 AM - FF2.04
Simulation of the Compensation of Defects in CdTe during Slow Cooling

Dmitry Krasikov 2 Andrey Knizhnik 2 Boris Potapkin 2 Aharon Yakimov 1

1GE Global Research Ctr Niskayuna United States2Kintech Lab Ltd. Moscow Russian Federation

Show Abstract

3:45 AM -
BREAK

4:15 AM - *FF2.05
Optical and Structural Nano-Characterization of Extended Defects in III-Nitrides by Low Temperature Scanning Transmission Electron Microscopy Cathodoluminescence

Juergen H. Christen 1

1Otto-von-Guericke-University Magdeburg Magdeburg Germany

Show Abstract

4:45 AM - FF2.06
Tailoring the Optical Characteristic of ZnO Nanowires by Using Different Substrates

Caroline Ines Lisevski Sombrio 2 Roberto M S dos Reis 1 Paulo L Franzen 3 Henri I Boudinov 3 Daniel Lorscheitter Baptista 3

1National Center for Electron Microscopy/Molecular Foundry Berkeley United States2Univ Federal-Rio Grande do Sul Porto Alegre Brazil3UFRGS Porto Alegre Brazil

Show Abstract

5:00 AM - FF2.07
Energy Up-Converted Auger Process of Three Donor-Acceptor Pairs to Two Free Excitons (3 D-A pairs to 2 e-h excitons) Associated with Deep Hole Trap in GaN

Katsushi Fujii 1 Takenari Goto 2 Takafumi Yao 3

1The University of Tokyo Tokyo Japan2RIKEN Wako Japan3AIST Tsukuba Japan

Show Abstract

5:15 AM - FF2.08
Electrical Conduction Along Dislocations Freshly Induced into GaN by Plastic Deformation

Ichiro Yonenaga 1 Keiichi Edagawa 2

1Tohoku University Sendai Japan2University of Tokyo Tokyo Japan

Show Abstract

5:30 AM - FF2.09
Mechanical and Optical Properties Characterization of c-Plane (0001) and m-Plane (10minus;10) GaN by Nanoindentation and Luminescence

Toshiya Yokogawa 1 Masaki Fujikane 2 Sijo Nagao 3 Roman Nowak 4

1Yamaguchi University Ube Japan2Panasonic Moriguchi Japan3Osaka University Osaka Japan4Aalto University Aalto Finland

Show Abstract

5:45 AM - FF2.10
Multi-Microscopy Investigation of the Optical Properties of Dislocations in InGaN

Fabien Massabuau 1 Peiyu Chen 1 Tom O'Hanlon 1 Chris Ren 1 Sneha Rhode 1 Andras Kovacs 2 Menno Kappers 1 Colin Humphreys 1 Rafal Dunin-Borkowski 2 Rachel Oliver 1

1University of Cambridge Cambridge United Kingdom2Ernst Ruska-Centre for Microscopy and Spectroscopy with Electrons Juuml;lich Germany

Show Abstract

FF1:Structure-Property-Relationship I (In Memory of Prof. J. Washburn)
Session Chairs
Z Liliental-Weber
Tuesday AM, April 07, 2015
Moscone West, Level 3, Room 3016

9:15 AM - *FF1.01
Professor Jack Washburn Memorial Contributions

Mark Asta 1

1University of California Berkeley United States

Show Abstract

9:45 AM - *FF1.02
Metal/Semiconductor Superlattices hellip; at Last

Timothy Sands 1 2 Bivas Saha 3

1Virginia Tech Blacksburg United States2Virginia Tech Blacksburg United States3University of California, Berkeley Berkeley United States

Show Abstract

10:15 AM - FF1.03
Interplay of Structural and Optical Properties in CdO

Augustinas Galeckas 1 Vishnukanthan Venkatachalapathy 1 Andrej Kuznetsov 1

1University of Olso Oslo Norway

Show Abstract

10:30 AM - FF1.04
Temperature Driven Three-Dimensional Ordering of InGaAs/GaAs Quantum Dot Superlattices Grown Under As2 Gas Flux

Mourad Benamara 1 Yuriy Mazur 1 Peter Lytvyn 2 1 Morgan E. Ware 1 Vitaliy Dorogan 1 Leonardo D. de Souza 4 1 Euclydes Marega 3 Marcio Theodores 4 Gilmar Marques 4 Greg Salamo 1

1University of Arkansas Fayetteville United States2USAbV. Lashkaryov Institute of Semiconductor Physics Kyiv Ukraine3Universidade Federal de Satilde;o Carlos Satilde;o Carlos Brazil4Universidade Federal de Satilde;o Carlos Satilde;o Carlos Brazil

Show Abstract

10:45 AM -
BREAK

11:15 AM - *FF1.05
Structural and Optical Properties of Dislocations in III-Nitrides

Martin Albrecht 1 Liverios Lymperakis 2 Joerg Neugebauer 2

1Leibniz-Institut fuer Kristallzuechtung Berlin Germany2Max-Planck-institut fuer Eisenforschung Duuml;sseldorf Germany

Show Abstract

11:45 AM - FF1.06
Segregation of In to Dislocations in InGaN

Matthew Horton 1 Sneha Rhode 2 Suman-Lata Sahonta 2 Menno Kappers 2 Sarah Haigh 3 Timothy Pennycook 4 5 Colin Humphreys 2 Michelle Moram 1

1Imperial College London London United Kingdom2University of Cambridge Cambridge United Kingdom3University of Manchester Manchester United Kingdom4STFC Daresbury Laboratories Warrington United Kingdom5University of Oxford Oxford United Kingdom

Show Abstract

12:00 PM - FF1.07
Direct Observation of Wavelength Shift in the V-Defects in GaN/InGaN Multi-Quantum Well Structure using Cathodoluminescence in Transmission Electron Microscopy

Young-Woon Kim 1 Mi-Hyang Sheen 1 Jong Hwan Lee 1

1Seoul National University Seoul Korea (the Republic of)

Show Abstract

12:15 PM - FF1.08
The Impact of Trench Defects in InGaN/GaN Light Emitting Diodes and Implications for the ldquo;Green Gaprdquo; Problem

Fabien Massabuau 1 Matt Davies 2 Fabrice Oehler 1 Sarah Pamenter 1 Ted Thrush 1 Menno Kappers 1 Andras Kovacs 3 Tim Williams 4 Margareth Hopkins 5 Colin Humphreys 1 Phil Dawson 2 Rafal Dunin-Borkowski 3 Joanne Etheridge 4 Duncan Allsopp 5 Rachel Oliver 1

1University of Cambridge Cambridge United Kingdom2University of Manchester Manchester United Kingdom3Ernst Ruska-Centre for Microscopy and Spectroscopy with Electrons Juuml;lich Germany4Monash Centre for Electron Microscopy Monash Australia5University of Bath Bath United Kingdom

Show Abstract

12:30 PM - *FF1.09
Optical Properties of Defects in Nitride Semiconductors

Ingo Tischer 1 Matthias Hocker 1 Manfred Madel 1 Benjamin Neuschl 1 Manuel Knab 1 Manuel Frey 1 Thomas Wunderer 2 Robert A.R. Leute 3 Junjun Wang 3 Ferdinand Scholz 3 Johannes Biskupek 4 Jouml;rg Bernhard 4 Ute Kaiser 4 Levin Dieterle 5 Heiko Groiss 5 6 Erich Muuml;ller 5 Dagmar Gerthsen 5 Klaus Thonke 1

1University of Ulm Ulm Germany2PARC Palo Alto United States3University of Ulm Ulm Germany4University of Ulm Ulm Germany5Karlsruhe Institute of Technology Karlsruhe Germany6Johannes Kepler University Linz Linz Austria

Show Abstract

2015-04-08   Show All Abstracts

Symposium Organizers

Yong Chen, Univ of California, Los Angeles
Zuzanna Liliental-Weber, Lawrence Berkeley National Laboratory
Jagdish Narayan, North Carolina State University
Eicke Weber, Fraunhofer ISE

Symposium Support

Fraunhofer-Institut fur Solare Energiesysteme ISE
Lawrence Berkeley National Laboratory
Materials Science Department UC Berkeley
University of Texas at Austin
FF4: Defects in Oxides and Their Properties I
Session Chairs
Jagdish Narayan
Wednesday PM, April 08, 2015
Moscone West, Level 3, Room 3016

2:30 AM - *FF4.01
Role of Defects in Oxide Electronics

John T. Prater 2 3 Srinivasa Rao Singamaneni 2 3 Jagdish Narayan 1

1North Carolina State University Raleigh United States2U.S. Army Research Office Durham United States3North Carolina State University Raleigh United States

Show Abstract

3:00 AM - FF4.02
Microstructure and Transport Properties of Bi2Se3 Thin Films Grown on MgO (111), Cr2O3 (0001) and Al2O3 (0001) Substrates

Yi-Fang Lee 1 Jagdish Narayan 1 Justin Schwartz 1

1North Carolina State University Raleigh United States

Show Abstract

3:15 AM - FF4.03
Recent Advances in Identifying Point Defects in Semiconducting Oxides using Positron Annihilation Spectroscopy

Filip Tuomisto 1 Ilja Makkonen 1 Esa Korhonen 1

1Aalto University Aalto Finland

Show Abstract

3:30 AM - FF4.04
Novel ldquo;Tilingrdquo; Building Defects in Layered Compounds

T. Mori 1 2 X. J. Wang 3 4 I. Kuzmych-Ianchuk 1 Y. Michiue 1 K. Yubuta 5 T. Shishido 5 Y. Grin 6 S. Okada 7 D. G. Cahill 3

1NIMS Tsukuba Japan2U. Tsukuba Tsukuba Japan3U. Illinois Urbana United States4U. Minnesota Minnesota United States5Tohoku U. Sendai Japan6MPI-CPfS Dresden Germany7Kokushikan U. Tokyo Japan

Show Abstract

3:45 AM - FF4.05
Copper-Alloyed Zinc Sulfide: A Room Temperature Processed P-Type Transparent Material with Record Conductivity

Rachel Woods-Robinson 1 Jason Cooper 1 Xiaojie Xu 1 Joel W. Ager 1

1Lawrence Berkeley National Laboratory Berkeley United States

Show Abstract

4:00 AM -
BREAK

4:30 AM - *FF4.09
Interfacial Engineering of Large Bandgap Oxide Nanostructures for Solar Energy Conversion

Lionel Vayssieres 1

1Xian Jiaotong University Xian China

Show Abstract

5:00 AM - FF4.07
Large Persistent Photoconductivity in Strontium Titanate at Room Temperature

Violet M. Poole 1 J. Dashdorj 2 Mary Ellen Zvanut 2 Matthew D. McCluskey 1

1Washington State Unversity Pullman United States2University of Alabama Birmingham United States

Show Abstract

5:15 AM - FF4.08
Exploring the Beneficial Role of Defects in Quantum Dot Solids

Yingjie Zhang 1 Danylo Zherebetskyy 2 Noah Bronstein 3 Daniel Hellebusch 3 Lin-Wang Wang 4 A. Paul Alivisatos 1 Miquel B. Salmeron 4

1UC Berkeley Berkeley United States2Materials Sciences Division, Lawrence Berkeley National Lab Berkeley United States3Univ of California-Berkeley Berkeley United States4Lawrence Berkeley National Lab Berkeley United States

Show Abstract

5:30 AM - *FF4.06
Defects, Reconstruction and Formation of 2D Electron-Gas at Oxide Interfaces

Yimei Zhu 1 2

1Brookhaven National Lab Upton United States2Stony Brook University Stony Brook United States

Show Abstract

FF5: Poster Session: Defects and Their Optoelectronic Properties in Energy-Related Materials
Session Chairs
Su-Huai Wei
Wednesday PM, April 08, 2015
Marriott Marquis, Yerba Buena Level, Salon 7/8/9

9:00 AM - FF5.01
Study of Oxide Layers on Surfaces of CdZnTe Crystals by X-Ray Photoelectron Spectroscopy

Stephen Oluseyi Babalola 1 Claudiu I. Muntele 2 Jonathan Lassiter 1 Charles Payton 1 Madhu Goundla 1 Ryan Givens 1 Samuel Uba 1 Trent Montgomery 1

1Alabama Aamp;M University Huntsville United States2Cygnus Scientific Services Huntsville United States

Show Abstract

9:00 AM - FF5.02
Suppressed the Spontaneous Reaction of Amorphous ZnO Nanowires by Using Plasma Surface Defect Passivation

Chun-Yen Lai 1 Ke Teng 1 Chien-Min Chang 1 Ping-Hung Yeh 1

1Tamkang University New Taipei City Taiwan

Show Abstract

9:00 AM - FF5.03
Study of Photoluminescence Properties of CuxO Thin Films Prepared by Reactive-RF Magnetron Sputtering

Jiantuo Gan 1 Augustinas Galeckas 1 Vishnukanthan Venkatachalapathy 1 Heine Nygard Riise 1 Bengt Gunnar Svensson 1 Edouard Monakhov 1

1University of Oslo Oslo Norway

Show Abstract

9:00 AM - FF5.04
Designing Passivating, Carrier-Selective Contacts for Photovoltaic Devices

Mathieu Boccard 1 Priyaranga Koswatta 1 Zachary Holman 1

1Arizona State Univ Tempe United States

Show Abstract

9:00 AM - FF5.05
Investigating Defects in HVPE-Grown Semi-Insulating GaN

Gyanendra Bhattarai 1 Christopher L Keck 1 Justin D Hurley 1 Joseph A Crow 1 J H Leach 2 K Udwary 2 R A Metzger 2 A N Caruso 1 Michelle M Paquette 1

1University of Missouri-Kansas City Kansas City United States2Kyma Technologies Raleigh United States

Show Abstract

9:00 AM - FF5.06
Urbach Energy as A Useful Parameter to Describe the Influence of the Defect Chemistry on the Emission and Absorption Bandgap Energies in ZnO Thin Films

David Horwat 1 William Chamorro 2

1Institut Jean Lamour-Universiteacute; de Lorraine Nancy France2Institut Jean Lamour-Universiteacute; de lorraine Nancy France

Show Abstract

9:00 AM - FF5.07
ZnO Nanowire Growth Properties on Selectively Disordered Substrates

Elias James Garratt 1 Babak Nikoobakht 1

1National Institute of Standards and Technology Gaithersburg United States

Show Abstract

9:00 AM - FF5.08
Defects in beta;-Ga2O3 Single Crystals

Viktor Maslov 2 1 Vladimir I. Nikolaev 2 3 1

1Russian Academy of Sciences St. Petersburg Russian Federation2St Petersburg National Research University ITMO St Petersburg Russian Federation3Perfect Crystals LLC St. Petersburg Russian Federation

Show Abstract

9:00 AM - FF5.10
Exploring the Photovoltage ldquo;Potentialrdquo; of PbS QD Films

Erik Johansson 1 Vitalii Dereviankin 1 Valentin Uzunov 1

1Portland State University Portland United States

Show Abstract

9:00 AM - FF5.12
Sn Effects on Thermal Donor Formation in Ge

Kaihei Inoue 1 Yu Murao 1 Toshinori Taishi 3 Kentaro Kutsukake 1 Momoko Deura 1 Yutaka Ohno 2 Ichiro Yonenaga 1

1Tohoku University Sendai Japan2Institute for Materials Research, Tohoku University Sendai Japan3Shinshu University Nagano Japan

Show Abstract

9:00 AM -
FF5.11 WITHDRAWN 4-2-15

9:00 AM -
FF5.09 WITHDRAWN 4-5-15

FF3: The Role of Defects in Optoelectronic Properties of Nitrides
Session Chairs
Juergen Christen
Wednesday AM, April 08, 2015
Moscone West, Level 3, Room 3016

9:15 AM - *FF3.01
Acceptor States and Defects in Mg-Doped Homoepitaxial GaN

Bo A. Monemar 1 2 3

1Linkouml;ping University Linkoping Sweden2Lund University Lund Sweden3Tokyo University of Agriculture and Technology Tokyo Japan

Show Abstract

9:45 AM - FF3.02
How to Deactivate Harmful Defects and Active them for New Spin Functionalities in a Semiconductor?

Weimin M. Chen 1 I A Buyanova 1 Y Puttisong 1 X J Wang 1 C W Tu 2 A J Ptak 3 L Geelhaar 4 H Riechert 4

1Linkoping University Linkoping Sweden2University of California La Jolla United States3National Renewable Energy Lab Golden United States4Paul-Drude-Institut fuuml;r Festkouml;rpelektronik Berlin Germany

Show Abstract

10:15 AM - *FF3.04
Properties of State of the Art of Ammonothermal and Hydride Vapor Phase Epitaxyal GaN Substrates

Jaime A. Freitas 1 Nadeemullah Mahadik 1 James Culbertson 1 Tomasz Sochacki 2 Michal Bockowski 2

1Naval Reserach Laboratory Washington United States2UNIPRESS Wasaw Poland

Show Abstract

10:45 AM - FF3.05
Spectroelectrochemical Studies on the Defect-Related Photoluminescence from ZnO Nanocrystals

Peter Andreas Schulze 1 Carlos Burga 1 Michael Bartl 1

1Univ of Utah Salt Lake City United States

Show Abstract

11:00 AM -
BREAK

11:30 AM - *FF3.06
Impact of Point Defects on Efficiency of Nitride Light Emitters

Chris G. Van de Walle 1

1University of California, Santa Barbara Santa Barbara United States

Show Abstract

12:00 PM - FF3.07
Studies of Gamma-Irradiation Induced Effect on Electronic Carrier Transport Properties of AlGaN/GaN High Electron Mobility Transistors

Anupama Yadav 1 Elena Flitsiyan 1 Leonid Chernyak 1 Igor Lubomirsky 2

1University of Central Florida Orlando United States2Weizmann Inst of Science Rehovot Israel

Show Abstract

12:15 PM - *FF3.08
Structural and Optical Properties of Highly Mismatched GaN1-xSbx Alloys

Kin Man Yu 1 2 Sergei V. Novikov 3 Min Ting 4 2 W.L. Sarney 6 S.P. Svensson 6 Martin Shaw 7 R.W. Martin 7 Wladyslaw Walukiewicz 5 C. T. Foxon 3

1City University of Hong Kong Kowloon Hong Kong2Lawrence Berkeley National Laboratory Berkeley United States3School of Physics and Astronomy, University of Nottingham Nottingham United Kingdom4University of California, Berkeley Berkeley United States5Lawrence Berkeley National Lab Berkeley United States6US Army Research Laboratory Adelphi United States7University of Strathclyde Glasgow United Kingdom

Show Abstract

12:45 PM -
OPEN DISCUSSION

2015-04-09   Show All Abstracts

Symposium Organizers

Yong Chen, Univ of California, Los Angeles
Zuzanna Liliental-Weber, Lawrence Berkeley National Laboratory
Jagdish Narayan, North Carolina State University
Eicke Weber, Fraunhofer ISE

Symposium Support

Fraunhofer-Institut fur Solare Energiesysteme ISE
Lawrence Berkeley National Laboratory
Materials Science Department UC Berkeley
University of Texas at Austin
FF8: Silicon and Thin Film Solar Cells
Session Chairs
Eicke Weber
Thursday PM, April 09, 2015
Moscone West, Level 3, Room 3016

2:30 AM - *FF8.01
Synchrotron-Based Analytical Techniques Elucidate Defect Structure-Property Relations in Silicon and Thin-Film Solar Cell Material

Rafael Jaramillo 1 Sin Cheng Siah 2 Rupak Chakraborty 2 Ashley Morishige 2 Douglas Powell 2 Mallory Jensen 2 Sergio Castellanos 2 Joerg Maser 3 Barry Lai 3 Matthew Marcus 4 David P. Fenning 2 5 Jasmin Hofstetter 2 Tonio Buonassisi 2

1Harvard Univ Cambridge United States2Massachusetts Institute of Technology Cambridge United States3Advanced Photon Source, Argonne National Laboratory Argonne United States4Advanced Light Source, Lawrence Berkeley National Laboratory Berkeley United States5University of California, San Diego San Diego United States

Show Abstract

3:00 AM - FF8.02
White Beam X-Ray Diffraction Topography (WBXDT) Studies of Bridgman Grown CdZnTe Crystals

Stephen Oluseyi Babalola 1 Samuel Uba 1 Anwar Hossain 2 Giuseppe Camarda 2 Ralph B. James 2 Trent Montgomery 1

1Alabama Aamp;M University Huntsville United States2Brookhaven National Laboratory Upton United States

Show Abstract

3:15 AM - FF8.10
Electrical Characteristics of RF Sputtered ZnO/HfO2 Interfaces in Thin Film Transistors

Prem Shankar Thapaliya 1 Rashmi Jha 1

1University of Toledo Toledo United States

Show Abstract

3:30 AM - FF8.04
Many Body Perturbation Theory Study of Defects in Crystalline and Amorphous SiO2 and GeO2 and the Influence of Dopants

Nicolas Richard 1 Layla Martin Samos 3 2 Luigi Giacomazzi 3 Sylvain Girard 4 Aziz Boukenter 4 Youcef Ouerdane 4 Blaz Winkler 2

1CEA Arpajon France2University of Nova Gorica Nova Gorica Slovenia3CNR-IOM Trieste Italy4Universiteacute; de Saint-Etienne Saint-Etienne France

Show Abstract

3:45 AM -
BREAK

4:15 AM - *FF8.05
Quantifying the Role of Recombination Active Defects in Multicrystalline Silicon for Photovoltaics

Martin C Schubert 1 Wolfram Kwapil 1 2 Jonas Schoen 1 Bernhard Michl 1 Florian Schindler 1 2 Wilhelm Warta 1

1Fraunhofer Institute for Solar Energy Systems Freiburg Germany2University of Freiburg Freiburg Germany

Show Abstract

4:45 AM - FF8.06
Utilization of Functional Grain Boundaries for Mono-Like Si for Solar Cells

Kentaro Kutsukake 1 Yutaka Ohno 1 Momoko Deura 1 Ichiro Yonenaga 1

1Tohoku University Sendai Japan

Show Abstract

5:00 AM - FF8.07
Effects of Bond Distortions on Impurity Segregation in High-Angle Grain Boundaries in Silicon

Yutaka Ohno 3 Kaihei Inoue 3 Momoko Deura 3 Kentaro Kutsukake 3 Ichiro Yonenaga 3 Naoki Ebisawa 4 Yasuo Shimizu 4 Koji Inoue 4 Yasuyoshi Nagai 4 Hideto Yoshida 2 Seiji Takeda 2 Shingo Tanaka 1 Masanori Kohyama 1

1AIST Kansai Osaka Japan2Osaka University Osaka 567-0047 Japan3IMR, Tohoku University Sendai Japan4The Oarai Center, IMR, Tohoku University Oarai Japan

Show Abstract

5:15 AM - FF8.08
Molecular Dynamics Study of Dislocation Formation Mechanism in <112>-Oriented Si-Ge Core-Shell Nanowires Under Tension

HyungGyu Lee 1 Keonwook Kang 1

1Yonsei University Seoul Korea (the Republic of)

Show Abstract

5:30 AM - FF8.09
Correlation Between Cristalline Defects and Electrical Response in 4H-SiC Schottky Diodes by Simultaneous Photoluminescence and Photocurrent Measurements

Stefania Privitera 1 Massimo Camarda 1 Nicolo Piluso 1 Ruggero Anzalone 1 Francesco La Via 1

1National Research Council Catania Italy

Show Abstract

FF6: Defects in Oxides and Their Properties II
Session Chairs
Chris Van de Walle
Thursday AM, April 09, 2015
Moscone West, Level 3, Room 3016

9:30 AM - *FF6.01
The Role of Vacancies in Controlling Diverse Properties of Complex Semiconductor System

Sokrates T. Pantelides 1 2 3

1Vanderbilt University Nashville United States2Vanderbilt University Nashville United States3Oak Ridge National Laboratory Oak Ridge United States

Show Abstract

10:00 AM -
OPEN DISCUSSION

10:15 AM - FF6.03
Correlated Visible-Light Absorption and Intrinsic Magnetism of SrTiO3 by Oxygen Deficiency: Effects of Bulk or Surface?

Heechae Choi 1 Jin Dong Song 1 Seungchul Kim 1 Kwang-Ryeol Lee 1

1Korea Institute of Science and Technology Seoul Korea (the Republic of)

Show Abstract

10:30 AM - FF6.04
Uncovering the Connection between Doping and Defects in WO3

Wennie Wang 1 Anderson Janotti 1 Chris G. Van de Walle 1

1Univ of California-Santa Barbara Santa Barbara United States

Show Abstract

10:45 AM - FF6.05
Defect Calculations for Increasingly Complex Semiconductor Materials

Stephan Lany 1 Haowei Peng 1 Vladan Stevanovic 1 2

1NREL Golden United States2Colorado School of Mines Golden United States

Show Abstract

11:00 AM -
BREAK

FF7: Roles of Defects in Compound Semiconductors for Solar Cells
Session Chairs
Kin Man Yu
Thursday AM, April 09, 2015
Moscone West, Level 3, Room 3016

11:30 AM - *FF7.01
First-Principles Study of Defects in Solar Cell Absorbers: The Case of CdTe

Su-Huai Wei 1

1National Renewable Energy Laboratory Golden United States

Show Abstract

12:00 PM - FF7.02
Hydrogenated Indium Oxide - Defects in a High Mobility Transparent Conducting Oxide

Sebastian Husein 4 Simone Bernardini 4 Steve M Heald 3 Robert Gordon 3 Laura Ding 2 Zachary Holman 1 Mariana Bertoni 1

1Arizona State Univ Tempe United States2Arizona State University Tempe United States3Advanced Photon Source Lemont United States4Arizona State University Tempe United States

Show Abstract

12:15 PM - FF7.03
Thickness Dependent Band Gap Engineering of Chemically Deposited CdS Thin Films

Amanullah Fatehmulla 1 Abdullah Al-Shammari 2 Abdullah M Al-Dhafiri 1

1King Saud University Riyadh Saudi Arabia2University of Hail Hail Saudi Arabia

Show Abstract

12:30 PM - *FF7.04
Atomistic Study of Grain Boundaries in Polycrystalline Photovoltaic Semiconductors

Yanfa Yan 1

1The University of Toledo Toledo United States

Show Abstract