102 citations · 393 across the 23 of their papers we have counts for
24 papers
Nanoscale NMR of DNA-Functionalized Diamond Using Individual NV Centers
Erika Janitz, Konstantin Herb, Laura A. Völker +2
Nuclear magnetic resonance (NMR) spectroscopy is a powerful probe of molecular structure and dynamics but typically requires large spin ensembles. Here, we demonstrate nanoscale NM…
Chiral magnons for spin-qubit state transfer
Martijn Dols, Carlos Gonzalez-Ballestero, Mikhail Cherkasskii +3
We propose a protocol where chiral magnons mediate a state transfer between two distant spin qubits. The protocol is implemented by varying the coupling between the spin qubits and…
Spin counting via projection noise measurement of mesoscopic solid-state spin ensemble
Lorenzo Bechelli, Konstantin Herb, Laura Alicia Völker +1
Quantum projection noise is the fundamental noise source for the population measurement of spin ensembles. While projection-noise-limited measurements have been extensively studied…
High-mobility inertial domain walls driven by spin-transfer torque in a ferrimagnetic spinel oxide
Mingxing Wu, Shilei Ding, Laura van Schie +8
Efficient electrical manipulation of domain walls is key to developing magnetic devices with fast switching capabilities and low energy consumption. Here we demonstrate Bloch-type…
Coherent Microwave Driving of Domain Wall Depinning in a Ferrimagnetic Garnet
Hanchen Wang, Laura van Schie, Adam Erickson +6
Coherent control of domain wall dynamics offers a route to fast manipulation of magnetic textures beyond thermally activated motion. We demonstrate resonant excitation of linear an…
Direct imaging of magnetotransport at graphene-metal interfaces with a single-spin quantum sensor
C. Ding, M. L. Palm, K. Kohli +3
Magnetotransport underlines many important phenomena in condensed matter physics, such as the Hall effect and magnetoresistance (MR) effect. Thus far, most magnetotransport studies…
Observation and Control of Chiral Spin Frustration in BiYIG Thin Films
Jinlong Wang, Hanchen Wang, Zhewen Xu +17
Chiral interactions within magnetic layers stabilize the formation of noncollinear spin textures, which can be leveraged to design devices with tailored magnetization dynamics. Her…
Nanoscale electrostatic control in ferroelectric thin films through lattice chemistry
Ipek Efe, Alexander Vogel, William S. Huxter +7
Nanoscale electrostatic control of oxide interfaces enables physical phenomena and exotic functionalities beyond the realm of the bulk material. In technologically-relevant ferroel…
Minimizing sensor-sample distances in scanning nitrogen-vacancy magnetometry
Zhewen Xu, Marius L. Palm, William S. Huxter +10
Scanning magnetometry with nitrogen-vacancy (NV) centers in diamond has led to significant advances in the sensitive imaging of magnetic systems. The spatial resolution of the tech…
SimOS: A Python Framework for Simulations of Optically Addressable Spins
Laura A. Völker, John M. Abendroth, Christian L. Degen +1
We present an open-source simulation framework for optically detected magnetic resonance, developed in Python. The framework allows users to construct, manipulate, and evolve multi…
Estimation of spin-orbit torques in the presence of current-induced magnon creation and annihilation
Paul Noël, Emir Karadža, Richard Schlitz +6
We present a comprehensive set of harmonic resistance measurements of the dampinglike (DL) and fieldlike (FL) torques in Pt/CoFeB, Pt/Co, W/CoFeB, W/Co, and YIG/Pt bilayers complem…
Quantum magnetometry of transient signals with a time resolution of 1.1 nanoseconds
Konstantin Herb, Laura A. Völker, John M. Abendroth +4
Quantum magnetometers based on spin defects in solids enable sensitive imaging of various magnetic phenomena, such as ferro- and antiferromagnetism, superconductivity, and current-…
Observation of chiral domain walls in an octupole-ordered antiferromagnet
Moeta Tsukamoto, Zhewen Xu, Tomoya Higo +10
Spin chirality in antiferromagnets offers new opportunities for spintronics. The kagome antiferromagnet Mn3Sn is a paradigmatic material in which the antiferromagnetic order parame…
Observation of current whirlpools in graphene at room temperature
Marius L. Palm, Chaoxin Ding, William S. Huxter +3
Electron-electron interactions in high-mobility conductors can give rise to transport signatures resembling those described by classical hydrodynamics. Using a nanoscale scanning m…
Multiplexed scanning microscopy with dual-qubit spin sensors
William S. Huxter, Federico Dalmagioni, Christian L. Degen
Scanning probe microscopy with multi-qubit sensors offers the potential to improve imaging speed and measure previously inaccessible quantities, such as two-point correlations. We…
Charge and Spin Dynamics and Destabilization of Shallow Nitrogen-Vacancy Centers under UV and Blue Excitation
Laura A. Völker, Konstantin Herb, Darin A. Merchant +3
Shallow nitrogen-vacancy (NV) centers in diamond offer unique opportunities for studying photochemical reactions at the single-molecule level, such as the photogeneration of radica…
Quantum speed limit in quantum sensing
Konstantin Herb, Christian L. Degen
Quantum sensors capitalize on advanced control sequences for maximizing sensitivity and precision. However, protocols are not usually optimized for temporal resolution. Here, we es…
Multidimensional spectroscopy of nuclear spin clusters in diamond
Konstantin Herb, Takuya F. Segawa, Laura A. Völker +4
Optically active spin defects in solids offer promising platforms to investigate nuclear spin clusters with high sensitivity and atomic-site resolution. To leverage near-surface de…
High-bandwidth microcoil for fast nuclear spin control
K. Herb, J. Zopes, K. S. Cujia +1
The active manipulation of nuclear spins with radio-frequency (RF) coils is at the heart of nuclear magnetic resonance (NMR) spectroscopy and spin-based quantum devices. Here, we p…
Three-dimensional localization spectroscopy of individual nuclear spins with sub-Angstrom resolution
J. Zopes, K. S. Cujia, K. Sasaki +3
We report on precise localization spectroscopy experiments of individual 13C nuclear spins near a central electronic sensor spin in a diamond chip. By detecting the nuclear free pr…
Tracking the precession of single nuclear spins by weak measurements
K. S. Cujia, J. M. Boss, K. Herb +2
Nuclear magnetic resonance (NMR) spectroscopy is a powerful technique for analyzing the structure and function of molecules, and for performing three-dimensional imaging of the spi…
Optical hyperpolarization of nitrogen donor spins in bulk diamond
M. Loretz, H. Takahashi, T. F. Segawa +2
We report hyperpolarization of the electronic spins associated with substitutional nitrogen defects in bulk diamond crystal. Hyperpolarization is achieved by optical pumping of nit…
Local dynamics of topological magnetic defects in the itinerant helimagnet FeGe
A. Dussaux, P. Schoenherr, K. Koumpouras +9
Chiral magnetic interactions induce complex spin textures including helical and conical spin waves, as well as particle-like objects such as magnetic skyrmions and merons. These sp…
Spurious harmonic response of multipulse quantum sensing sequences
M. Loretz, J. M. Boss, T. Rosskopf +3
Multipulse sequences based on Carr-Purcell decoupling are frequently used for narrow-band signal detection in single spin magnetometry. We have analyzed the behavior of multipulse…