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The ability to perform nanoscale electric field imaging of elementary charges at ambient temperatures will have diverse interdisciplinary applications. While the nitrogen-vacancy (NV) center in diamond is capable of high-sensitivity…

Mesoscale and Nanoscale Physics · Physics 2021-04-28 M. S. J Barson , L. M. Oberg , L. P. McGuinness , A. Denisenko , N. B. Manson , J. Wrachtrup , M. W. Doherty

We demonstrate a technique for precision sensing of temperature or the magnetic field by simultaneously driving two hyperfine transitions involving distinct electronic states of the nitrogen-vacancy center in diamond. Frequency modulation…

Nitrogen-vacancy (NV) centers in nanodiamonds are excellent nanoscale sensors for measuring parameters such as temperature, magnetic field, and viscosity in complex fluidic environments, including living cells. However, the rapid motion of…

In nanostructures phonon transport behaviour is distinctly different to transport in bulk materials such that materials with ultra low thermal conductivities and enhanced thermoelectric performance can be realized. Low thermal…

Materials Science · Physics 2019-03-01 Dhritiman Chakraborty , Samuel Foster , Neophytos Neophytou

We demonstrate a cavity-enhanced room-temperature magnetic field sensor based on nitrogen-vacancy centers in diamond. Magnetic resonance is detected using absorption of light resonant with the 1042 nm spin-singlet transition. The diamond is…

Quantum Physics · Physics 2015-06-18 K. Jensen , N. Leefer , A. Jarmola , Y. Dumeige , V. M. Acosta , P. Kehayias , B. Patton , D. Budker

Nanostructured silicon is a promising material for thermoelectric conversion, because the thermal conductivity in silicon nanostructures can be strongly reduced with respect to that of bulk materials. We present thermal conductivity…

Mesoscale and Nanoscale Physics · Physics 2018-07-04 Giovanni Pennelli , Elisabetta Dimaggio , Massimo Macucci

Magnetic imaging with nitrogen-vacancy (NV) spins in diamond is becoming an established tool for studying nanoscale physics in condensed matter systems. However, the optical access required for NV spin readout remains an important hurdle…

Mesoscale and Nanoscale Physics · Physics 2023-05-26 Yufan Li , Fabian A. Gerritsma , Samer Kurdi , Nina Codreanu , Simon Gröblacher , Ronald Hanson , Richard Norte , Toeno van der Sar

We summarize our new scanning magnetic 3-D imaging system. This scanning system uses optically detected magnetic resonance in a single nitrogen vacancy center in a diamond nanocrystal. The theoretical analysis and the first experimental…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 Gennady P. Berman , Boris M. Chernobrod

Nitrogen-vacancy (NV) center in diamond was found to be a powerful tool for various sensing applications. The main work horse of this center so far has been optically detected electron resonance. Utilization of the nuclear spin has the…

The microelectronics industry is pushing the fundamental limit on the physical size of individual elements to produce faster and more powerful integrated chips. These chips have nanoscale features that dissipate power resulting in nanoscale…

Applied Physics · Physics 2020-11-23 Qilong Cheng , Sukumar Rajauria , Erhard Schreck , Robert Smith , Na Wang , Jim Reiner , Qing Dai , David Bogy

Cryogenic temperatures are the prerequisite for many advanced scientific applications and technologies. The accurate determination of temperature in this range and at the submicrometer scale is, however, nontrivial. This is due to the fact…

We introduce a nanocalorimetric technique based on microsecond-pulsed heating (\mu s-PHnC) that enables high-sensitivity, quasi-isothermal heat capacity measurements on nanoscale samples. Such resolution is critical for exploring…

The nitrogen-vacancy (NV) centers in diamond sensing has been considered to be a promising micro-nano scale thermometer due to its high stability, good temperature resolution and integration. In this work, we fabricated the sensing core by…

Applied Physics · Physics 2021-11-16 Ke-Chen Ouyang , Zheng Wang , Li Xing , Xiao-Juan Feng , Jin-Tao Zhang , Cheng Ren , Xing-Tuan Yang

Nanoscale engineering and novel materials have created interesting effects in thermal transport. Thermal conductivity can now be different due to physical and heating sizes. Also, highly anisotropic thermal conductivity can result from…

Materials Science · Physics 2019-03-08 Ding Ding , Kedar Hippalgaonkar

The long-lived electronic spin of the nitrogen-vacancy (NV) center in diamond is a promising quantum sensor for detecting nanoscopic magnetic and electric fields in a variety of experimental conditions. Nevertheless, an outstanding…

The controlled and coherent manipulation of individual quantum systems is a fundamental key for the development of quantum information processing. The nitrogen-vacancy (NV) color center in diamond is a promising system since its…

We have performed thermal conductance measurements on individual single crystalline silicon suspended nanowires. The nanowires (130 nm thick and 200 nm wide) are fabricated by e-beam lithography and suspended between two separated pads on…

Mesoscale and Nanoscale Physics · Physics 2015-06-25 Olivier Bourgeois , T. Fournier , J. Chaussy

As wide bandgap electronic devices have continued to advance in both size reduction and power handling capabilities, heat dissipation has become a significant concern. To mitigate this, chemical vapor deposited (CVD) diamond has been…

Individual, luminescent point defects in solids so called color centers are atomic-sized quantum systems enabling sensing and imaging with nanoscale spatial resolution. In this overview, we introduce nanoscale sensing based on individual…

Mesoscale and Nanoscale Physics · Physics 2017-05-11 Ettore Bernardi , Richard Nelz , Selda Sonusen , Elke Neu

Optically-detected paramagnetic centers in wide-bandgap semiconductors are emerging as a promising platform for nanoscale metrology at room temperature. Of particular interest are applications where the center is used as a probe to…

Mesoscale and Nanoscale Physics · Physics 2015-12-09 Abdelghani Laraoui , Daniela Pagliero , Carlos A. Meriles
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