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Discrepancies may exist between the program on the Virtual Meeting Platform and this website. Please refer to the program below for the most updated session and presentation times. All times for May 23, 24 and 25 are shown in Eastern Daylight Time.

Symposium QT03—Higher-Order Topological Structures—From Charge to Spin

2022-05-11   Show All Abstracts

Times shown in HST (GMT-10:00)

Symposium Organizers

Michele Conroy, Imperial College London
Sinead Griffin, Lawrence Berkeley National Laboratory
Dennis Meier, Norwegian University of Science and Technology (NTNU)
Ramamoorthy Ramesh, University of California, Berkeley
QT03.01: Poster Session: Higher-Order Topological Structures—From Charge to Spin
Session Chairs
Michele Conroy
Wednesday PM, May 11, 2022
Hawai'i Convention Center, Level 1, Kamehameha Exhibit Hall 2 & 3

5:00 PM - QT03.01.01
Magnetic and Geometrical Control of Spin Textures in the Itinerant Kagome Magnet Fe3Sn2

Markus Altthaler1,2,Erik Lysne2,Erik Roede2,Lilian Prodan1,Vladimir Tsurkan1,3,Mohamed Kassem4,András Kovács5,Attila Kákay6,Stephan Krohns1,István Kézsmárki1,Dennis Meier2

Universität Augsburg1,Norwegian University of Science and Technology2,Academy of Sciences of Moldova3,Assuit University4,Forschungszentrum Jülich5,Helmholtz-Zentrum Dresden - Rossendorf6

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2022-05-12   Show All Abstracts

Times shown in HST (GMT-10:00)

Symposium Organizers

Michele Conroy, Imperial College London
Sinead Griffin, Lawrence Berkeley National Laboratory
Dennis Meier, Norwegian University of Science and Technology (NTNU)
Ramamoorthy Ramesh, University of California, Berkeley
QT03.02: Higher-Order Topological Structures—From Charge to Spin I
Session Chairs
Miaofang Chi
Donald Evans
Thursday AM, May 12, 2022
Hawai'i Convention Center, Level 3, 302A

8:30 AM - *QT03.02.01
Nanoscale and Mesoscale Curvature in Multidomain Ferroelectric Superlattices

Pavlo Zubko1

University College London1

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9:00 AM - *QT03.02.02
Engineering Phase Transitions and Dielectric Properties of Nano-Ferroelectrics

Jorge Iniguez1,2

Luxembourg Institute of Science and Technology1,University of Luxembourg2

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9:30 AM - QT03.02.03
Multi-state Switching Dynamics in the Polar Vortex Phase

Piush Behera1,Eric Parsonnet1,Sujit Das1,Lucas Caretta1,Ramamoorthy Ramesh1

University of California Berkeley1

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9:45 AM - QT03.02
BREAK


10:15 AM - *QT03.02.04
Tailoring the Non-Ising Internal Structure of Ferroelectric Domain Walls

Salia Cherifi-Hertel1

Strasbourg University and CNRS1

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10:45 AM - QT03.02.05
High Electrical Conductivity from Strained Structural Domain Walls

Lukas Puntigam1,Donald Evans1,Markus Altthaler1,Somnath Ghara1,Lilian Prodan1,Vladimir Tsurkan1,2,Stephan Krohns1,István Kézsmárki1

University of Augsburg1,Academy of Sciences of Moldova2

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11:00 AM - QT03.02.06
3D Geometry and Functional Properties of Ferroelectric Domain Walls

Erik Roede1,Konstantin Shapovalov2,Thomas Moran3,Aleksander Mosberg1,Zewu Yan4,Edith Bourret5,Bryan Huey3,Antonius T. J. van Helvoort1,Dennis Meier1

Norwegian University of Science and Technology1,Institut de Ciencia de Materials de Barcelona2,University of Connecticut3,ETH Zürich4,Lawrence Berkeley National Laboratory5

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11:15 AM - *QT03.02.07
Studies of Topological States and Proximity Effects in Functional Materials

Quentin Ramasse1,Demie Kepaptsoglou1,2,Vlado Lazarov2,Kenji Nawa3,Lian Li4,Michael Weinert5

SuperSTEM1,University of York2,NIMS3,West Virginia University4,University of Wisconsin-Milwaukee5

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QT03.03: Higher-Order Topological Structures—From Charge to Spin II
Session Chairs
Haidan Wen
Pavlo Zubko
Thursday PM, May 12, 2022
Hawai'i Convention Center, Level 3, 302A

1:30 PM - QT03.03.01
Controlling a.c. Signals using Charged Ferroelectric Domain Walls

Jan Schultheiß1,Erik Lysne1,Lukas Puntigam2,Zewu Yan3,Edith Bourret4,Stephan Krohns2,Dennis Meier1

Norwegian University of Science and Technology1,University of Augsburg2,ETH Zürich3,Lawrence Berkeley National Laboratory4

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1:45 PM - QT03.03.02
Insulating Improper Ferroelectric Domain Walls as Robust Barrier Layer Capacitors

Jan Schultheiß2,Lima Zhou1,Lukas Puntigam1,Donald Evans1,István Kézsmárki1,Dennis Meier2,Stephan Krohns1

Universität Augsburg1,NTNU Trondheim2

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2:00 PM - QT03.03.03
Superior Polarization Retention through Engineered Domain Wall Pinning

Jan Seidel1

University of New South Wales1

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2:15 PM - QT03.03.04
Nanoengineering Conductivity with Low Dimensional Defects in a Functional Oxide

Donald Evans1,2,Theodor Secanell Holstad2,3,Aleksander Mosberg2,Didrik Småbråten2,4,Per Erik Vullum2,4,Anup Dadlani2,Konstantin Shapovalov5,Zewu Yan6,7,Edith Bourret7,David Gao2,Jaakko Akola2,Jan Torgersen2,Antonius T. J. van Helvoort2,Sverre Selbach2,Dennis Meier2

University of Augsburg1,Norwegian University of Science and Technology (NTNU)2,Technical University of Denmark (DTU)3,SINTEF4,Institut de Ciència de Materials de Barcelona (ICMAB-CSIC)5,ETH Zurich6,Lawrence Berkeley National Laboratory7

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2:30 PM - QT03.03
BREAK


3:00 PM - QT03.03.05
Opto-Electro-Mechanical control of Ferroelectric Topological Structures for Ultralow Power Topotronic Devices using Neural Network Quantum Molecular Dynamics

Thomas Linker1,Ken-ichi Nomura1,Shogo Fukushima2,Rajiv Kalia1,Aravind Krishnamoorthy1,Aiichiro Nakano1,Kohei Shimamura2,Fuyuki Shimojo2,Priya Vashishta1

University of Southern California1,Kummamto University2

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3:15 PM - QT03.03.06
New Antiferromagnetic Metal Phase and Large Zero-Field Planar Hall Effect in a Rare-Earth Nickelate

Spencer Doyle1,Qi Song1,Grace Pan1,Betül Pamuk2,Padraic Shafer3,William Ratcliff4,5,Antia Botana6,Luca Moreschini7,8,Julia Mundy1

Harvard University1,Cornell University2,Advanced Light Source3,National Institute of Standards and Technology4,University of Maryland5,Arizona State University6,University of California, Berkeley7,Lawrence Berkeley National Laboratory8

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3:30 PM - *QT03.03.07
Direct Visualization of the Three-dimensional Shape of Skyrmion Strings

Shinichiro Seki1

The University of Tokyo1

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4:00 PM - QT03.03.08
Noncollinear Magnetism in MnPtGa Thin Films

Ibarra Rebeca1,2,Anastasious Markou1,Edouard Lesne1,Bachir Ouladdiaf3,Ketty Beauvois3,Alexandr Sukhanov2,Dmytro Inosov2,Claudia Felser1

Max Planck Institute for Chemical Physics of Solids1,Technische Universität Dresden2,Institute Laue-Langevin3

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2022-05-13   Show All Abstracts

Times shown in HST (GMT-10:00)

Symposium Organizers

Michele Conroy, Imperial College London
Sinead Griffin, Lawrence Berkeley National Laboratory
Dennis Meier, Norwegian University of Science and Technology (NTNU)
Ramamoorthy Ramesh, University of California, Berkeley
QT03.04: Higher-Order Topological Structures—From Charge to Spin III
Session Chairs
Salia Cherifi-Hertel
Jan Schultheiß
Friday AM, May 13, 2022
Hawai'i Convention Center, Level 3, 302A

8:00 AM - *QT03.04.01
An Ultrafast View of Topological Ferroelectric Nanostructures

Haidan Wen1

Argonne National Laboratory1

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8:30 AM - QT03.04.02
Direct Imaging of Emergent Chirality Changes in a Polar Meron to Skyrmion Transition in Oxide Superlattices

Yu-Tsun Shao1,Sujit Das2,Zijian Hong3,Ruijuan Xu4,Swathi Chandrika1,Fernando Gomez-Ortiz5,Pablo Garcia-Fernandez5,Long-Qing Chen6,Harold Hwang4,Javier Junquera5,Lane Martin2,Ramamoorthy Ramesh2,David Muller1

Cornell University1,University of California, Berkeley2,Zhejiang University3,Stanford University4,Universidad de Cantabria5,The Pennsylvania State University6

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8:45 AM - *QT03.04.03
Cryogenic Atomic and 4D-STEM Imaging for 2D Layered Quantum Materials

Miaofang Chi1

Oak Ridge National Laboratory1

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9:15 AM - QT03.04.04
Higher-Order Topological Superconductivity in Twisted Bilayer Graphene

Aaron Chew1,Yijie Wang2,Bogdan Bernevig1,Zhi-Da Song1

Princeton University1,Peking University2

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9:30 AM - QT03.04
BREAK


10:00 AM - QT03.04.05
Hidden Higher-Order Topology in Monolayer Hexagonal TMDs

Jun Jung1,Yong-Hyun Kim1

Korea Advanced Institute of Science and Technology1

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10:15 AM - QT03.04.06
Lifetime of Large Magnetic Skyrmions and Antiskyrmions in Discrete Systems

Hannes Jonsson1,2

University of Iceland1,Faculty of Physical Sciences2

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10:30 AM - QT03.04.07
Transferring Orbital Angular Momentum to an Electron Beam Reveals Toroidal and Chiral Order

Kayla Nguyen1,Yi Jiang2,Michael Cao3,Prafull Purohit4,Pablo Garcia-Fernandez5,Mark Tate4,Celesta Chang6,Pablo Aguado-Puente7,Jorge Iniguez8,Fernando Gomez-Ortiz5,Sol Gruner4,Javier Junquera5,Lane Martin9,Ramamoorthy Ramesh9,David Muller4

University of Illinois at Urbana-Champaign1,Argonne National Laboratory2,Rice University3,Cornell University4,Universidad de Cantabria5,Massachusetts Institute of Technology6,Queen\'s University Belfast7,Luxembourg Institute of Science and Technology8,University of California, Berkeley9

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10:45 AM - QT03.04.08
Imaging the Controllable Rotation of a Skyrmion Crystal Driven by Femtosecond Laser Pulses

Phoebe Tengdin1,Benoit Truc1,Alexey Sapozhnik1,Simone Gargiulo1,Ivan Madan1,Thomas Schoenenberger1,Priya Baral1,Ping Che1,Arnaud Magrez1,Dirk Grundler1,Henrik Rønnow1,Thomas LaGrange1,Fabrizio Carbone1

École polytechnique fédérale de Lausanne1

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11:00 AM - QT03.04.09
Generation of Intense and Fast Magnetic Field Pulses Through Domain Wall Displacements in Planar Nanoconduits

Jose Maria Porro1,2,Paolo Vavassori3,2

BCMaterials, Basque Center for Materials, Applications and Nanostructures1,Ikerbasque, the Basque Foundation for Science2,CIC nanoGUNE3

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QT03.05: Higher-Order Topological Structures—From Charge to Spin IV
Session Chairs
Michele Conroy
Demie Kepaptsoglou
Friday PM, May 13, 2022
Hawai'i Convention Center, Level 3, 302A

1:30 PM - QT03.05.01
Imaging Emergent Functionality in 3D

Trygve Ræder1,Theodor Secanell Holstad1,Marion Höfling1,Hugh Simons1

Technical University of Denmark1

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1:45 PM - QT03.05.02
Long-Distance Spin Transport in an Antiferromagnetic Insulator

Hossein Taghinejad1,Ella Lachman1,Vikram Nagarajan1,Yoshiharu Krockenberger2,James Analytis1

University of California, Berkeley1,NTT Basic Laboratory2

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2:00 PM - QT03.05.03
Understanding Atomic Scale Electronic and Physical Properties in Polar Topologies

Sandhya Susarla1

Lawrence Berkeley National Laboratory1

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2:15 PM - QT03.05.05
Magnetic Properties of NdCuGa3 Single Crystals

Binod Rai1,Lindsay Roy1,Patrick O'Rourke1

Savannah River National Laboratory1

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2:30 PM - QT03.05
BREAK


3:00 PM - QT03.05.06
Spin Higher-Order Topological Insulators: A Phase-Space Perspective

Ioannis Petrides1,Oded Zilberberg2

Harvard University1,University of Konstanz2

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3:15 PM - QT03.05.07
Programable Multi-Level Graphene/PZT Memristor Based on Highly Conductive Neutral Domain Walls

Felix Risch1,Igor Stolichnov1,Sadegh Kamaei Bahmaei1,Adrian Ionescu1

École polytechnique fédérale de Lausanne1

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2022-05-25   Show All Abstracts

Times shown in EDT (GMT-4:00)

Symposium Organizers

Michele Conroy, Imperial College London
Sinead Griffin, Lawrence Berkeley National Laboratory
Dennis Meier, Norwegian University of Science and Technology (NTNU)
Ramamoorthy Ramesh, University of California, Berkeley
QT03.06: Higher-Order Topological Structures—From Charge to Spin V
Session Chairs
Sinead Griffin
Wednesday AM, May 25, 2022
QT03-Virtual

8:00 AM - *QT03.06.01
Electroskyrmionics: Polarization, Phonons and Photons

Jiri Hlinka1

Czech Academy of Sciences1

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8:30 AM - QT03.06.02
First-Principle Investigations of Topological Solitons in Multiferroic Cu2OSeO3

Houssam Sabri1,Igor Kornev1

Université Paris-Saclay, CentraleSupélec, CNRS, Laboratoire SPMS,1

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8:45 AM - *QT03.06.03
X-Ray Imaging of Three-Dimensional Magnetization Textures

Claire Donnelly1

Max Planck Institute for Chemical Physics of Solids1

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9:15 AM - *QT03.06.04
Emergent Landau Levels of Topological Magnons in a Skyrmion Lattice

Christian Pfleiderer1

Technical University of Munich1

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9:45 AM - QT03.03.09
Creating a Ferromagnetic Ground State with High Tc in a Paramagnetic Alloy Through Non-Equilibrium Nanostructuring

Xinglong Ye1,Nuno Fortunato2,Abhishek Sarkar1,Holger Geßwein1,Di Wang1,Xiang Chen1,Benedikt Eggert3,Heiko Wende3,Richard A. Brand3,Hongbin Zhang2,Horst Hahn1,Robert Kruk1

Karlsruhe Institute of Technology1,Institute of Materials Science, Technische Universität Darmstadt2,University of Duisburg-Essen3

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QT03.07: Higher-Order Topological Structures—From Charge to Spin VI
Session Chairs
Sinead Griffin
Wednesday AM, May 25, 2022
QT03-Virtual

10:30 AM - QT03.07.02
From Vortex Labyrinths to Polar Bubbles—A Mean-Field Perspective

Sergei Prokhorenko1,Yousra Nahas1,Qi Zhang2,Vivasha Govinden2,Suyash Rijal1,Nagarajan Valanoor2,Laurent Bellaiche1

University of Arkansas1,University of New South Wales2

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10:45 AM - *QT03.07.03
Topology and Control of Ferroelectric Patterning

Yousra Nahas1,Sergei Prokhorenko1,Qi Zhang2,Vivasha Govinden2,Nagarajan Valanoor2,Laurent Bellaiche1

Universiy of Arkansas1,University of New South Wales2

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11:15 AM - QT03.05.08
Epitaxial Growth of Frustrated Kagome Lattice Fe-Sn Thin Films

Payel Chatterjee1,Matthias Hartl1,Longfei He1,Dennis Meier1,Christoph Brüne1

Norwegian University of Science and Technology1

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