Mesoscale Scanning Probe Microscopy

Preprints

Reconstruction of current densities from magnetic images by Bayesian Inference

Colin B. Clement, James P. Sethna, Katja C. Nowack

arXiv:1910.12929

Publications

2023

Direct visualization of electronic transport in a quantum anomalous Hall insulator
G. M. Ferguson, Run Xiao, Anthony R. Richardella, David Low, Nitin Samarth, Katja C. Nowack

Nature Materials, accepted (2023).
arXiv:2112.13122

Current-induced switching of thin film alpha-Fe2O3 devices imaged using a scanning single-spin microscope
Qiaochu Guo, Anthony D'Addario, Yang Cheng, Jeremy Kline, Isaiah Gray, Hil Fung Harry Cheung, Fengyuan Yang, Katja C. Nowack*, and Gregory D. Fuchs* *Corresponding author.

Phys. Rev. Mat. 7, 064402 (2023).
arxiv:2210.06233

Superfluid response of an atomically thin, gate-tuned van der Waals superconductor
Alexander Jarjour, G.M. Ferguson, Brian T. Schaefer, Menyoung Lee, Yen Lee Loh, Nandini Trivedi, Katja C. Nowack

Nat. Comm. 14, 2055 (2023).
arXiv:2209.11800

2021

Scanning SQUID microscopy in a cryogen-free dilution refrigerator
D. Low, G. M. Ferguson, Alexander Jarjour, Brian T. Schaefer, Maja D. Bachmann, Philip J. W. Moll, Katja C. Nowack

Review of Scientific Instruments 92, 083704 (2021).
arXiv:2102.09588
Link to CAD file

Electrically tunable and reversible magnetoelectric coupling in strained bilayer graphene
B. T. Schaefer, K. C. Nowack

Phys. Rev. B 103, 224426 (2021).
arXiv:2103.04124

Patternable Mesoporous Thin Film Quantum Materials via Block Copolymer Self-Assembly: An Emergent Technology?
4. F. Yu, R. P. Thedford, K. R. Hedderick, G. Freychet, M. Zhernenkov, L. A. Estroff, K. C. Nowack, S. M. Gruner, U. B. Wiesner

ACS Applied Materials & Interfaces 13,34732 (2021).

Superconducting Quantum Metamaterials from High Pressure Melt Infiltration of Metals into Block Copolymer Double Gyroid Derived Ceramic Templates
R. Paxton Thedford,Peter A. Beaucage,Ethan M. Susca,Corson A. Chao,Katja C. Nowack,Robert B. Van Dover,Sol M. Gruner,Ulrich Wiesner

Advanced Functional Materials 31, 2100469 (2021).

2020

Magnetic field detection limits for ultraclean graphene Hall sensors
Brian T. Schaefer, Lei Wang, Alexander Jarjour, Kenji Watanabe, Takashi Taniguchi, Paul L. McEuen, Katja C. Nowack

Nature Communications 11, 4163 (2020).

s41467-020-18007-5.pdf

2019

Spin Seebeck imaging of spin-torque switching in antiferromagnetic Pt/NiO/Pt heterostructures
Isaiah Gray, Takahiro Moriyama, Nikhil Sivadas, Gregory M. Stiehl, John T. Heron, Ryan Need, Brian J. Kirby, David H. Low, Katja C. Nowack, Darrell G. Schlom, Daniel C. Ralph, Teruo Ono, Gregory D. Fuchs

Phys. Rev. X 9, 041016 (2019).
arXiv:1810.03997

Spatial control of heavy-fermion superconductivity in CeIrIn5
Maja D. Bachmann*, G. M. Ferguson*, Florian Theuss, Tobias Meng, Carsten Putzke, Toni Helm, K. R. Shirer, You-Sheng Li, K. A. Modic, Michael Nicklas, Markus Koenig, D. Low, Sayak Ghosh, Andrew P. Mackenzie, Frank Arnold, Elena Hassinger, Ross D. McDonald, Laurel E. Winter, Eric D. Bauer, Filip Ronning, B. J. Ramshaw, Katja C. Nowack**, Philip J. W. Moll** *These authors contributed equally. **These authors contributed equally/ Corresponding author.

Science 366, 221 (2019). DOI: 10.1126/science.aao6640
arXiv:1807.05079

Thickness dependence of superconductivity in ultrathin NbS2
Rusen Yan, Guru Khalsa, Brian T Schaefer, Alexander Jarjour, Sergei Rouvimov, Katja C Nowack, Huili G Xing, and Debdeep Jena

Applied Physics Express 12, 023008 (2019).
arXiv:1803.06097

2016

Variation in superconducting transition temperature due to tetragonal domains in two-dimensionally doped SrTiO3
H. Noad, E. M. Spanton, K. C. Nowack, H. Inoue, M. Kim, T. A. Merz, C. Bell, Y. Hikita, R. Xu, W. Liu, A. Vailionis, H. Y. Hwang, K. A. Moler

Physical Review B 94, 174516 (2016).

PhysRevB.94.174516.pdf

Publications from previous collaborations

2014

Images of edge current in InAs/GaSb quantum wells
Eric M. Spanton, K. C. Nowack, L. Du, R.-R. Du and K. A. Moler

Physical Review Letters 113, 026804 (2014).

DOI: http://dx.doi.org/10.1103/PhysRevLett.113.026804

2013

Locally enhanced conductivity due to tetragonal domain structure in LaAlO3/SrTiO3 heterointerfaces
B. Kalisky, E. M. Spanton, H. Noad, J. R. Kirtley, K. C. Nowack, C. Bell, H. K. Sato, Y. Xie, Y. Hikita, C. Woltmann, G. Pfanzelt, R. Jany, H. Y. Hwang, J. Mannhart and K. A. Moler

Nature Materials 12, 1091-1095 (2013). doi:10.1038/nmat3753

Current flows along the edge in the QSH regime

Imaging currents in HgTe quantum wells in the quantum spin Hall regime
K. C. Nowack, E. M. Spanton, M. Baenninger, M. Koenig, J. R. Kirtley, B. Kalisky, C. Ames, Philipp Leubner, C. Bruene, H. Buhmann, L. W. Molenkamp, D. Goldhaber-Gordon and K. A. Moler

Nature Materials 12, 787-791 (2013). doi:10.1038/nmat3682

Nuclear spin effects in semiconductor quantum dots
E. A. Chekhovich, M. N. Makhonin, A. I. Tartakovskii, A.Yacoby, H. Bluhm, K. C. Nowack and L. M. K. Vandersypen

review article, Nature Materials 12, 494-504 (2013).

Simultaneous Spin-Charge Relaxation in Double Quantum Dots
V. Srinivasa, K. C. Nowack, M. Shafiei, L. M. K. Vandersypen, J. Taylor

Physical Review Letters 110 196803 (2013). DOI: http://dx.doi.org/10.1103/PhysRevLett.110.196803

Resolving Spin-Orbit and Hyperfine Mediated Electric Dipole Spin Resonance in a Quantum Dot
M. Shafiei, K. C. Nowack, C. Reichl, W. Wegscheider and L. M. K. Vandersypen

Physical Review Letters 110 107601 (2013). DOI: http://dx.doi.org/10.1103/PhysRevLett.110.107601

2012

Gate-tuned superfluid density at the superconducting LaAlO3/SrTiO3 interface
J. A. Bert, K. C. Nowack, B. Kalisky, H. Noad, J. R. Kirtley, C. Bell, H. K. Sato, M. Hosoda, Y. Hikita, H. Y. Hwang and K. A. Moler

Physical Review B 86, 060503(R) (2012). doi: 10.1103/PhysRevB.86.060503

2011

Single-Shot Correlations and Two-Qubit Gate of Solid-State Spins
K. C. Nowack, M. Shafiei, M. Laforest, G. E. D. K. Prawiroatmodjo, L. R. Schreiber, C. Reichl, W. Wegscheider and L. M. K. Vandersypen

Science 333 1269 (2011). DOI: 10.1126/science.1209524

2009

Electrical Manipulation and Detection of Single Electron Spins in Quantum Dots
Katja Nowack

Thesis. ISBN: 978-90-8593-063-1.

PDF

Locking electron spins into resonance by electron-nuclear feedback
I. T. Vink, K. C. Nowack, F. H. L. Koppens, J. Danon, Yu. V. Nazarov and L. M. K. Vandersypen

Nature Physics 5 764 (2009). doi:10.1038/nphys1366

Multiple nuclear polarization states in a double quantum dot
J. Danon, I. T. Vink, F. H. L. Koppens, K. C. Nowack, L. M. K. Vandersypen and Yu. V. Nazarov

Physical Review Letters 103 046601 (2009). DOI: http://dx.doi.org/10.1103/PhysRevLett.103.046601

2008

Spin Echo of a Single Electron Spin in a Quantum Dot
F. H. L. Koppens, K. C. Nowack and L. M. K. Vandersypen

Physical Review Letters 100 236802 (2008). DOI: http://dx.doi.org/10.1103/PhysRevLett.100.236802

2007

Coherent Control of a Single Electron Spin with Electric Fields
K. C. Nowack, F. H. L. Koppens, Yu. V. Nazarov, and L. M. K. Vandersypen

Science 318 1430 (2007). DOI:10.1126/science.1148092

Universal Phase Shift and Nonexponential Decay of Driven Single-Spin Oscillations
F. H. L. Koppens, D. Klauser, W. A. Coish, K. C. Nowack, L. P. Kouwenhoven, D. Loss, and L. M. K. Vandersypen

Physical Review Letters 99 106803 (2007). DOI: http://dx.doi.org/10.1103/PhysRevLett.99.106803

Detection of single electron spin resonance in a double quantum dot
F. H. L. Koppens, C. Buizert, I. T. Vink, K. C. Nowack, T. Meunier, L. P. Kouwenhoven, and L. M. K. Vandersypen

Journal of Applied Physics 101 081706 (2007). http://dx.doi.org/10.1063/1.2722734. See also http://proceedings.aip.org/proceedings/confproceed/893.jsp.

2006

Driven coherent oscillations of a single electron spin in a quantum dot
F. H. L. Koppens, C. Buizert, K. J. Tielrooij, I. T. Vink, K. C. Nowack, T. Meunier, L. P. Kouwenhoven, and L. M. K. Vandersypen

Nature 442 766 (2006). doi:10.1038/nature05065