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D. Walkup · SciRah

Researcher profile · Semantic Scholar

D. Walkup

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D. Walkup — researcher profile on SciRah

h-index: 19
Works: 77
Citations: 1,433

Most-cited papers

Observation of Dirac Node Formation and Mass Acquisition in a Topological Crystalline Insulator
Y. Okada, Maksym Serbyn, Hsin Lin, D. Walkup +12 more
2013Science261 citations Open access
Semantic Scholar
An On/Off Berry Phase Switch in Circular Graphene Resonators
F. Ghahari, D. Walkup, C. Gutiérrez, J. Rodriguez-Nieva +9 more
2017Science139 citations Open access
Semantic Scholar
Dirac mass generation from crystal symmetry breaking on the surfaces of topological crystalline insulators.
I. Zeljkovic, Y. Okada, Maksym Serbyn, R. Sankar +11 more
2014Nature Materials117 citations Open access
Semantic Scholar
Strain engineering Dirac surface states in heteroepitaxial topological crystalline insulator thin films.
I. Zeljkovic, D. Walkup, B. Assaf, Kane L. Scipioni +3 more
2015Nature Nanotechnology87 citations Open access
Semantic Scholar
Mapping the unconventional orbital texture in topological crystalline insulators
I. Zeljkovic, Y. Okada, Cheng-Yi Huang, R. Sankar +10 more
2013Nature Physics82 citations Open access
Semantic Scholar
Influence of electron doping on the ground state of (Sr1-xLax)2IrO4
Xiang Chen, T. Hogan, D. Walkup, Wen-Wen Zhou +10 more
201571 citations Open access
Semantic Scholar
Interaction Driven Quantum Hall Wedding cake-like Structures in Graphene Quantum Dots
C. Gutiérrez, D. Walkup, F. Ghahari, C. Lewandowski +6 more
2018Science68 citations Open access
Semantic Scholar
Edge channels of broken-symmetry quantum Hall states in graphene visualized by atomic force microscopy
Sungmin Kim, J. Schwenk, D. Walkup, Yi-Hang Zeng +11 more
2020Nature Communications52 citations Open access
Semantic Scholar
Imaging the evolution of metallic states in a correlated iridate.
Y. Okada, D. Walkup, Hsin Lin, C. Dhital +9 more
2013Nature Materials50 citations Open access
Semantic Scholar
Effects of habitat fragmentation on population structure of dune‐dwelling lizards
D. Walkup, Daniel J. Leavitt, Lee FitzGerald
201742 citations Open access
Semantic Scholar
Quasiparticle interference and strong electron–mode coupling in the quasi-one-dimensional bands of Sr2RuO4
Zhen-Yu Wang, D. Walkup, P. Derry, Thomas Scaffidi +12 more
2017Nature Physics41 citations Open access
Semantic Scholar
Visualizing Landau levels of Dirac electrons in a one-dimensional potential.
Y. Okada, Wen-Wen Zhou, C. Dhital, D. Walkup +4 more
2012Physical Review Letters41 citations Open access
Semantic Scholar
First-Order Melting of a Weak Spin-Orbit Mott Insulator into a Correlated Metal.
T. Hogan, Z. Yamani, D. Walkup, Xiang Chen +7 more
2015Physical Review Letters38 citations Open access
Semantic Scholar
Ripple-modulated electronic structure of a 3D topological insulator
Y. Okada, Wen-Wen Zhou, D. Walkup, C. Dhital +2 more
2012Nature Communications38 citations Open access
Semantic Scholar
Interplay of orbital effects and nanoscale strain in topological crystalline insulators
D. Walkup, B. Assaf, Kane Scipioni, R. Sankar +5 more
2016Nature Communications36 citations Open access
Semantic Scholar
The Future for Reptiles: Advances and Challenges in the Anthropocene
Lee FitzGerald, D. Walkup, K. Chyn, E. Buchholtz +2 more
201334 citations
Semantic Scholar
Imaging the evolution of metallic states in a spin-orbit interaction driven correlated iridate
Y. Okada, D. Walkup, Hsin Lin, C. Dhital +8 more
201333 citations Open access
Semantic Scholar
Achieving μeV Tunneling Resolution in an In-Operando Scanning Tunneling Microscopy, Atomic Force Microscopy, and Magnetotransport System for Quantum Materials Research
J. Schwenk, Sungmin Kim, Julian Berwanger, F. Ghahari +10 more
2020Review of Scientific Instruments27 citations Open access
Semantic Scholar
Disorder induced power-law gaps in an insulator–metal Mott transition
Zhen-Yu Wang, Y. Okada, J. O'Neal, Wen-Wen Zhou +10 more
2018Proceedings of the National Academy of Sciences of the United States of America25 citations Open access
Semantic Scholar
Tuning single-electron charging and interactions between compressible Landau level islands in graphene
D. Walkup, F. Ghahari, C. Gutiérrez, Kenji Watanabe +3 more
2020Physical review B17 citations
Semantic Scholar
Nanoscale determination of the mass enhancement factor in the lightly doped bulk insulator lead selenide
I. Zeljkovic, Kane L. Scipioni, D. Walkup, Y. Okada +9 more
2015Nature Communications17 citations Open access
Semantic Scholar
Topological nature of step-edge states on the surface of the topological crystalline insulator Pb0.7Sn0.3Se
Davide Iaia, Chang-Yan Wang, Y. Maximenko, D. Walkup +4 more
2018Physical review B13 citations Open access
Semantic Scholar
Why didn’t the lizard cross the road? Dunes sagebrush lizards exhibit road-avoidance behaviour
Toby J. Hibbitts, Lee FitzGerald, D. Walkup, Wade A. Ryberg
2017Wildlife research (East Melbourne)13 citations
Semantic Scholar
Searching for rare and secretive snakes: are camera-trap and box-trap methods interchangeable?
Dalton B. Neuharth, Wade A. Ryberg, C. Adams, Toby J. Hibbitts +6 more
2020Wildlife research (East Melbourne)12 citations
Semantic Scholar
Doping induced Mott collapse and possible density wave instabilities in (Sr1−xLax)3Ir2O7
Zhen-Yu Wang, D. Walkup, Y. Maximenko, Wen-Wen Zhou +4 more
2019npj Quantum Materials11 citations Open access
Semantic Scholar
Population genetic and genomic analyses of Western Massasauga (Sistrurus tergeminus ssp.): implications for subspecies delimitation and conservation
R. Bylsma, D. Walkup, Toby J. Hibbitts, Wade A. Ryberg +2 more
2021Conservation Genetics10 citations
Semantic Scholar
Natural history of the spot-tailed earless lizards (Holbrookia lacerata and H. subcaudalis)
Toby J. Hibbitts, D. Walkup, Travis J. LaDuc, B. Wolaver +8 more
20217 citations Open access
Semantic Scholar
Influence of Electron Doping on the Ground State of (Sr1-xLax)2IrO4 | NIST
Xiang Chen, T. Hogan, D. Walkup, Wen-Wen Zhou +10 more
20157 citations
Semantic Scholar
Relativistic quantum phenomena in graphene quantum dots
D. Walkup, N. Zhitenev
2023Nature Nanotechnology5 citations
Semantic Scholar
An Evaluation of Western Chicken Turtle (Deirochelys reticularia miaria) Survey and Capture Protocols
Brandon C. Bowers, D. Walkup, Toby J. Hibbitts, Paul S. Crump +3 more
2022Journal of Herpetology5 citations
Semantic Scholar
Testing the detection of large, secretive snakes using camera traps
D. Walkup, Wade A. Ryberg, Josh B. Pierce, E. Smith +6 more
2022Wildlife Society bulletin5 citations Open access
Semantic Scholar
Life in the thornscrub: movement, home range, and territoriality of the reticulate collared lizard (Crotaphytus reticulatus)
Wade A. Ryberg, Timothy B. Garrett, C. Adams, T. Campbell +3 more
2019Journal of Natural History5 citations Open access
Semantic Scholar
From the ground up: microhabitat use within a landscape context frames the spatiotemporal scale of settlement and vacancy dynamics in an endemic habitat specialist
D. Walkup, Wade A. Ryberg, Lee FitzGerald, Toby J. Hibbitts
2019Landscape Ecology5 citations
Semantic Scholar
Biogeographic consequences of shifting climate for the western massasauga (Sistrurus tergeminus)
D. Walkup, A Michelle Lawing, Toby J. Hibbitts, Wade A. Ryberg
2022Ecology and Evolution4 citations Open access
Semantic Scholar
Edge Channels of Broken-Symmetry Quantum Hall States in Graphene probed by Atomic Force Microscopy
Sungmin Kim, J. Schwenk, D. Walkup, Yi-Hang Zeng +11 more
20203 citations
Semantic Scholar
Phylogeographic structure of the dunes sagebrush lizard, an endemic habitat specialist
Lauren M. Chan, C. Painter, Michael T. Hill, Toby J. Hibbitts +4 more
2020bioRxiv3 citations Open access
Semantic Scholar
Transformation of Dirac Surface States across the Quantum Phase Transition in a Topological Crystalline Insulator
I. Zeljkovic, Y. Okada, Maksym Serbyn, R. Sankar +6 more
20143 citations
Semantic Scholar
Doping induced Mott collapse and the density wave instabilities in (Sr$_{1-x}$La$_x$)$_3$Ir$_2$O$_7$
Zhen-Yu Wang, D. Walkup, Y. Maximenko, Wen-Wen Zhou +4 more
20192 citations
Semantic Scholar
Helical Level Structure of Dirac Potential Wells
D. Walkup, J. Stroscio
2017Physical review B2 citations Open access
Semantic Scholar
Fecundity, Female Maturation, and Nesting Season of Western Chicken Turtles (Deirochelys reticularia miaria) in Texas
Brandon C. Bowers, Rachel L. Hibbitts, Toby J. Hibbitts, D. Walkup +3 more
2022Chelonian Conservation and Biology1 citations Open access
Semantic Scholar
Doping and strain effects in strongly spin-orbit coupled systems
D. Walkup
20161 citations
Semantic Scholar
Using pulsed and steady speaker tones to probe note transitions in a soprano recorder
K. L. Saenger, D. Walkup
2025Proceedings of meetings on acoustics0 citations Open access
Semantic Scholar
STM-based fabrication and characterization of quantum dots in graphene
D. Walkup
20200 citations Open access
Semantic Scholar
Visualizing broken symmetry states in the zeroth Landau level of the graphene quantum Hall system
Sungmin Kim, D. Walkup, J. Schwenk, Yi-Hang Zeng +9 more
20200 citations
Semantic Scholar
Doping induced Mott collapse and possible density wave instabilities in (Sr1−xLax)3Ir2O7
Zhen-Yu Wang, D. Walkup, Y. Maximenko, Wen-Wen Zhou +4 more
2019npj Quantum Materials0 citations Open access
Semantic Scholar
Visualizing and Controlling Coupled Graphene Quantum Dots
F. Ghahari, D. Walkup, Kenji Watanabe, T. Taniguchi +2 more
20190 citations
Semantic Scholar
Writable and tunable Landau level quantum dots in graphene devices
D. Walkup, F. Ghahari, C. Lewandowski, C. Gutiérrez +6 more
20190 citations
Semantic Scholar
Scanning Tunneling Microscopy Study of 1D Modes Trapped by Topological Defects in Pb 1− x Sn x Se
Davide Iaia, S. Howard, D. Walkup, I. Zeljkovic +2 more
20180 citations
Semantic Scholar
Direct Observation of Dirac-Electron Wedding Cakes in Graphene Quantum Dots
C. Gutiérrez, D. Walkup, F. Ghahari, C. Lewandowski +6 more
20180 citations
Semantic Scholar
Visualizing the Coulomb blockade in graphene quantum dots, Part I
F. Ghahari, D. Walkup, C. Gutiérrez, C. Lewandowski +6 more
20180 citations
Semantic Scholar

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J. Stroscio×12
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N. Zhitenev×11
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Toby J. Hibbitts

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