288 citations · 611 across the 23 of their papers we have counts for
23 papers
Long-Lived Mechanically-Detected Molecular Spins for Quantum Sensing
Sahand Tabatabaei, Pritam Priyadarsi, Daniel Tay +4
Quantum sensors based on individual spins provide unprecedented access to local magnetic fields in condensed matter, chemistry, and biology, with solid-state defect spins emerging…
Magnetically-controlled Vortex Dynamics in a Ferromagnetic Superconductor
Joseph Alec Wilcox, Lukas Schneider, Estefani Marchiori +11
Ferromagnetic superconductors are exceptionally rare because the strong ferromagnetic exchange field usually destroys singlet superconductivity. EuFe(AsP), an i…
Imaging magnetic spiral phases, skyrmion clusters, and skyrmion displacements at the surface of bulk CuOSeO
E. Marchiori, G. Romagnoli, L. Schneider +8
Surfaces -- by breaking bulk symmetries, introducing roughness, or hosting defects -- can significantly influence magnetic order in magnetic materials. Determining their effect on…
Large-Enhancement Nanoscale Dynamic Nuclear Polarization Near a Silicon Nanowire Surface
Sahand Tabatabaei, Pritam Priyadarsi, Namanish Singh +4
Dynamic nuclear polarization (DNP) has revolutionized the field of NMR spectroscopy, expanding its reach and capabilities to investigate diverse materials, biomolecules, and comple…
Roadmap on Nanoscale Magnetic Resonance Imaging
Raffi Budakian, Amit Finkler, Alexander Eichler +22
The field of nanoscale magnetic resonance imaging (NanoMRI) was started 30 years ago. It was motivated by the desire to image single molecules and molecular assemblies, such as pro…
Nanometer-Scale Nuclear Magnetic Resonance Diffraction with Sub-Ångstrom Precision
Holger Haas, Sahand Tabatabaei, William Rose +9
Achieving atomic resolution is the ultimate limit of magnetic resonance imaging (MRI), and attaining this capability offers enormous technological and scientific opportunities, fro…
Domain wall patterning and giant response functions in ferrimagnetic spinels
L. L. Kish, A. Thaler, M. Lee +11
The manipulation of mesoscale domain wall phenomena has emerged as a powerful strategy for designing ferroelectric responses in functional devices, but its full potential has not y…
Numerical Engineering of Robust Adiabatic Operations
Sahand Tabatabaei, Holger Haas, William Rose +7
Adiabatic operations are powerful tools for robust quantum control in numerous fields of physics, chemistry and quantum information science. The inherent robustness due to adiabati…
Ultra-low dissipation patterned silicon nanowire arrays for scanning probe microscopy
Pardis Sahafi, William Rose, Andrew Jordan +3
In recent years, self-assembled semiconductor nanowires have been successfully used as ultra-sensitive cantilevers in a number of unique scanning probe microscopy (SPM) settings. W…
Manipulating multi-vortex states in superconducting structures
Hryhoriy Polshyn, Tyler Naibert, Raffi Budakian
We demonstrate a method for manipulating small ensembles of vortices in multiply-connected superconducting structures. A micron-size magnetic particle attached to the tip of a sili…
Real-Space Magnetic Imaging of the Multiferroic Spinels MnV2O4 and Mn3O4
B. Wolin, X. Wang, T. Naibert +5
Controlling multiferroic behavior in materials will enable the development of a wide variety of technological applications. However, the exact mechanisms driving multiferroic behav…
Adiabatic-NOVEL for Nano-Scale Magnetic Resonance Imaging
Razieh Annabestani, Maryam Mirkamali, Raffi Budakian
We propose a highly efficient dynamic nuclear polarization technique that is robust against field in-homogeneity. This technique is designed to enhance the detection sensitivity in…
High-Resolution Nanoscale Solid-State Nuclear Magnetic Resonance Spectroscopy
William Rose, Holger Haas, Angela Q. Chen +4
We present a new method for high-resolution nanoscale magnetic resonance imaging (nano-MRI) that combines the high spin sensitivity of nanowire-based magnetic resonance detection w…
Imaging and controlling vortex dynamics in mesoscopic superconductor-normal-metal-superconductor arrays
Tyler Naibert, Hryhoriy Polshyn, Rita Garrido-Menacho +7
Harnessing the properties of vortices in superconductors is crucial for fundamental science and technological applications; thus, it has been an ongoing goal to locally probe and c…
Imaging phase slip dynamics in micron-size superconducting rings
Hryhoriy Polshyn, Tyler R. Naibert, Raffi Budakian
We present a scanning probe technique for measuring the dynamics of individual fluxoid transitions in multiply connected superconducting structures. In these measurements, a small…
Numerical study of the stability regions for half-quantum vortices in superconducting Sr2RuO4
Kevin Roberts, Raffi Budakian, Michael Stone
We numerically solve the coupled Landau-Ginzburg-Maxwell equations for a model of a spin triplet px + ipy superconductor in which whole or half-quanta of flux thread through a hole…
Nanoscale Fourier-transform MRI
John M. Nichol, Tyler R. Naibert, Eric R. Hemesath +2
We report a method for nanometer-scale pulsed nuclear magnetic resonance imaging and spectroscopy. Periodic radiofrequency pulses are used to create temporal correlations in the st…
Resonant soft x-ray scattering from La(1-x)Sr(x)MnO(3) quantum wire arrays
X. M. Chen, E. M. Spanton, S. Wang +9
We describe a strategy for using resonant soft x-ray scattering (RSXS) to study the electronic structure of transition metal oxide quantum wires. Using electron beam lithography an…
Nanomechanical detection of nuclear magnetic resonance using a silicon nanowire oscillator
John M. Nichol, Eric R. Hemesath, Lincoln J. Lauhon +1
We report the use of a silicon nanowire mechanical oscillator as a low-temperature nuclear magnetic resonance force sensor to detect the statistical polarization of 1H spins in pol…
Observation of half-height magnetization steps in Sr2RuO4
J. Jang, D. G. Ferguson, V. Vakaryuk +4
Spin-triplet superfluids can support exotic objects, such as half-quantum vortices characterized by the nontrivial winding of the spin structure. We present cantilever magnetometry…
Detection of Individual Vortices in Micron-Size Sr2RuO4 Rings by Phase-Locked Cantilever Magnetometry
Joonho Jang, Raffi Budakian, Yoshiteru Maeno
We describe a feedback-based dynamic cantilever magnetometry technique capable of achieving high magnetic moment sensitivity with low applied fields. Using this technique, we have…
Time Scales for Cold-Welding and the Origins of Stick-Slip Friction
R. Budakian, S. J. Putterman
Data from an instrument that measures conductance, stiffness and rupture strength of junctions indicates that when two macroscopic metal surfaces are brought into contact a nanomet…
Force Detection Using a Fiber-Optic Cantilever
R. Budakian, S. J. Putterman
A force measurement technique has been developed that utilizes a clamped fiber optic element both as a cantilever and as a highly sensitive probe of the static and dynamic displace…