Results 21 to 30 of about 6,881 (205)

Optimizing NV magnetometry for Magnetoneurography and Magnetomyography applications

Frontiers in Neuroscience, 2023
Magnetometers based on color centers in diamond are setting new frontiers for sensing capabilities due to their combined extraordinary performances in sensitivity, bandwidth, dynamic range, and spatial resolution, with stable operability in a wide range ...
Chen Zhang, Chen Zhang, Jixing Zhang, Matthias Widmann, Magnus Benke, Michael Kübler, Durga Dasari, Thomas Klotz, Leonardo Gizzi, Leonardo Gizzi, Oliver Röhrle, Philipp Brenner, Jörg Wrachtrup   +12 more
doaj   +1 more source

Robust and efficient quantum optimal control of spin probes in a complex (biological) environment. Towards sensing of fast temperature fluctuations

New Journal of Physics, 2018
We present an optimized scheme for nanoscale measurements of temperature in a complex environment using the nitrogen-vacancy center in nanodiamonds (NDs).
Philipp Konzelmann, Torsten Rendler, Ville Bergholm, Andrea Zappe, Veronika Pfannenstill, Marwa Garsi, Florestan Ziem, Matthias Niethammer, Matthias Widmann, Sang-Yun Lee, Philipp Neumann, Jörg Wrachtrup   +11 more
doaj   +1 more source

High-fidelity spin measurement on the nitrogen-vacancy center

New Journal of Physics, 2017
Nitrogen-vacancy (NV) centers in diamond are versatile candidates for many quantum information processing tasks, ranging from quantum imaging and sensing through to quantum communication and fault-tolerant quantum computers.
Michael Hanks, Michael Trupke, Jörg Schmiedmayer, William J Munro, Kae Nemoto   +4 more
doaj   +1 more source

Miniature Electromagnetic and Mechanical Resonators for Measurements of Acceleration with the Help of Nitrogen-Vacancy Color Centers

Micromachines
Using mathematical and physical modeling, we investigate the influence of the configuration and parameters of miniature electromagnetic and mechanical resonators on their output characteristics.
Marina Rezinkina, Oleg Rezinkin, Fedor Jelezko, Claus Braxmaier   +3 more
doaj   +1 more source

Defect evolution in nitrogen-implanted CVD diamond during thermal annealing: The formation of NV centers and vacancy clusters

Materials & Design
We investigate the thermal evolution of implantation-induced defects in single-crystal CVD diamond using depth-resolved positron annihilation lifetime spectroscopy (PALS). Samples were implanted with 0.5MeV N+ ions at a fluence of 1×1014cm−2 and annealed
Marcel Dickmann, Ricardo Helm, Werner Egger, Johannes Mitteneder, Peter Sperr, Michael Mayerhofer, Maik Butterling, Eric Hirschmann, Maciej Oskar Liedke, Andreas Wagner, Joachim Dorner, Thomas Schwarz-Selinger, Günther Dollinger   +12 more
doaj   +1 more source

Quenching nitrogen–vacancy center photoluminescence with an infrared pulsed laser

New Journal of Physics, 2013
Diamond nanocrystals containing nitrogen–vacancy (NV) color centers have been used in recent years as fluorescent probes for near-field and cellular imaging.
N D Lai, O Faklaris, D Zheng, V Jacques, H-C Chang, J-F Roch, F Treussart   +6 more
doaj   +1 more source

Hyperfine-enhanced gyromagnetic ratio of a nuclear spin in diamond

New Journal of Physics, 2016
The nuclear spin gyromagnetic ratio can be enhanced by hyperfine coupling to the electronic spin. Here we show wide tunability of this enhancement on a ^15 N nuclear spin intrinsic to a single nitrogen-vacancy center in diamond. We perform control of the
S Sangtawesin, C A McLellan, B A Myers, A C Bleszynski Jayich, D D Awschalom, J R Petta   +5 more
doaj   +1 more source

pH‐mediated activation of the lysosomal arginine sensor SLC38A9

FEBS Letters, EarlyView.
Cells monitor nutrient levels via the lysosomal transporter SLC38A9 to activate the mechanistic target of rapamycin complex 1 (mTORC1). This study reveals that SLC38A9 function is regulated by pH. We identified histidine 544 as a critical pH sensor that undergoes conformational changes to control amino acid efflux from lysosomes; therefore, it ...
Xuelang Mu, Ampon Sae Her, Tamir Gonen
wiley   +1 more source

Modelling Rabi oscillations for widefield radiofrequency imaging in nitrogen-vacancy centers in diamond

New Journal of Physics
In this paper we study the dynamics of an ensemble of nitrogen-vacancy centers in diamond when its photoluminescence is detected by means of a widefield imaging system.
Simone Magaletti, Ludovic Mayer, Jean-François Roch, Thierry Debuisschert   +3 more
doaj   +1 more source

Robust Quantum-Network Memory Using Decoherence-Protected Subspaces of Nuclear Spins

Physical Review X, 2016
The realization of a network of quantum registers is an outstanding challenge in quantum science and technology. We experimentally investigate a network node that consists of a single nitrogen-vacancy center electronic spin hyperfine coupled to nearby ...
Andreas Reiserer, Norbert Kalb, Machiel S. Blok, Koen J. M. van Bemmelen, Tim H. Taminiau, Ronald Hanson, Daniel J. Twitchen, Matthew Markham   +7 more
doaj   +1 more source