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The nitrogen-vacancy (NV) center is a well utilized system for quantum technology, in particular quantum sensing and microscopy. Fully employing the NV center's capabilities for metrology requires a strong understanding of the behavior of…

Mesoscale and Nanoscale Physics · Physics 2019-03-13 M. S. J. Barson , P. M. Reddy , S. Yang , N. B. Manson , J. Wrachtrup , M. W. Doherty

All materials have defects and many contain nanostructures, both of which disrupt chemical bonding - the basis of materials properties. No experimental measurements of bonding electron distributions associated with defects and…

The neutral silicon--vacancy (SiV$^{0}$) center in diamond combines inversion symmetry with optical emission, making it a robust quantum emitter resilient to stray electric fields. Using first-principles density-functional theory, we…

Quantum Physics · Physics 2026-02-12 Meysam Mohseni , Gergő Thiering , Adam Gali

We show an experimental evidence of the domination of absorption over scattering in absorbance spectra of detonation nanodiamonds. We perform the absorbance measurements on the UV-Vis spectrophotometer equipped with integrating sphere and…

Mesoscale and Nanoscale Physics · Physics 2020-03-25 S. V. Koniakhin , M. K. Rabchinskii , N. A. Besedina , L. V. Sharonova , A. V. Shvidchenko , E. D. Eidelman

In the present work we report about a parallel-processing ion beam fabrication technique whereby high-density sub-superficial graphitic microstructures can be created in diamond. Ion beam implantation is an effective tool for the structural…

The current generation of quantum sensing technologies using color centers in diamond crystals is primarily based on the principle that the resonant microwave frequency of the luminescence between quantum levels of the nitrogen-vacancy (NV)…

Quantum Physics · Physics 2022-06-22 Ryosuke Sakurai , Yuta Kainuma , Toshu An , Hidemi Shigekawa , Muneaki Hase

We have introduced here a simple, single step and cost effective broad ion beam technique for preparation of nanoscale electronic, magnetic, optical and mechanical devices without the need of resist, mask, or focused electron and ion beams.…

Mesoscale and Nanoscale Physics · Physics 2013-11-27 Prasanta Karmakar , Biswarup Satpati

We exposed nitrogen-implanted diamonds to beams of swift uranium and gold ions (~1 GeV) and find that these irradiations lead directly to the formation of nitrogen vacancy (NV) centers, without thermal annealing. We compare the…

Materials Science · Physics 2015-06-23 J. Schwartz , S. Aloni , D. F. Ogletree , M. Tomut , M. Bender , D. Severin , C. Trautmann , I. W. Rangelow , T. Schenkel

Many promising applications of single crystal diamond and its color centers as sensor platform and in photonics require free-standing membranes with a thickness ranging from several micrometers to the few 100 nm range. In this work, we…

Nanophotonic devices in color center-containing hosts provide efficient readout, control, and entanglement of the embedded emitters. Yet control over color center formation - in number, position, and coherence - in nanophotonic devices…

Spectral diffusion is the phenomenon of random jumps in the emission wavelength of narrow lines. This phenomenon is a major hurdle for applications of solid state quantum emitters like quantum dots, molecules or diamond defect centers in an…

Optical emitters of quantum radiation in the solid state are important building blocks for emerging technologies making use of the laws of quantum mechanics. The efficiency of photon extraction from the host material is low for many…

Quantum Physics · Physics 2020-04-17 Niels M. Israelsen , Ilya P. Radko , Alexander Huck , Ulrik L. Andersen

The detection of quantal exocytic events from neurons and neuroendocrine cells is a challenging task in neuroscience. One of the most promising platforms for the development of a new generation of biosensors is diamond, due to its…

Instrumentation and Detectors · Physics 2016-08-30 F. Picollo , A. Battiato , E. Carbone , L. Croin , E. Enrico , J. Forneris , S. Gosso , P. Olivero , A. Pasquarelli , V. Carabelli

Experiments show that shallow nitrogen implantations (<10keV) result in a negatively charged nitrogen-vacancy center (NV-) yield of 0.01-0.1%. The most succesful technique for introducing NV- centers in the carbon matrix is ion implantation…

The transferred-electron oscillator (TEO) is a device used in microwave applications that utilizes the negative differential mobility (NDM) effect to generate continuous oscillations. Recently, NDM was observed in intrinsic…

Materials Science · Physics 2020-01-08 Nattakarn Suntornwipat , Saman Majdi , Markus Gabrysch , Ian Friel , Jan Isberg

A summary of photo- and electrochemical surface modifications applied on single-crystalline chemical vapor deposition (CVD) diamond films is given. The covalently bonded formation of amine- and phenyl-linker molecule layers are…

Applied Physics · Physics 2020-05-11 Christoph E. Nebel , Bohuslav Rezek , Dongchan Shin , Hiroshi Uetsuka , Nianjun Yang

Group-IV color centers in diamond have garnered great interest for their potential as optically active solid-state spin qubits. Future utilization of such emitters requires the development of precise site-controlled emitter generation…

Mesoscale and Nanoscale Physics · Physics 2020-02-21 Alison E. Rugar , Haiyu Lu , Constantin Dory , Shuo Sun , Patrick J. McQuade , Zhi-Xun Shen , Nicholas A. Melosh , Jelena Vučković

Nitrogen-Vacancy centers in diamond possess an electronic spin resonance that strongly depends on temperature, which makes them efficient temperature sensor with a sensitivity down to a few mK/$\sqrt{\rm Hz}$. However, the high thermal…

Optically detected magnetic resonance of nitrogen vacancy centers in diamond offers novel routes to both DC and AC magnetometry in diamond anvil cells under high pressures ($>3$ GPa). However, a serious challenge to realizing experiments…

Instrumentation and Detectors · Physics 2017-11-29 L. Steele , M. Lawson , M. Onyszczak , B. T. Bush , Z. Mei , A. P. Dioguardi , J. King , A. Parker , A. Pines , S. T. Weir , W. Evans , K. Visbeck , Y. K. Vohra , N. J. Curro

Emerging quantum technologies based on the nitrogen-vacancy (NV) centre in diamond require carefully engineered material with controlled defect density, optimised NV formation processes, and minimal crystal strain. The choice of NV…

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