English
Related papers

Related papers: Sub-nanometer-thick native sp2 carbon on oxidized …

200 papers

The efficacy of oxygen (O) surface terminations on diamond is an important factor for the performance and stability for diamond-based quantum sensors and electronics. Given the wide breadth of O-termination techniques, it can be difficult…

The surface functionalization of diamond has been extensively studied through a variety of techniques, such as oxidation. Several oxygen groups have been correspondingly detected on the oxidized diamond, such as COC (ester), CO (ketonic),…

Shallow nitrogen-vacancy (NV) center in diamond is promising in quantum sensing applications however its sensitivity has been limited by surface terminators and defects. There is an immediate quest to find suitable diamond surfaces for NV…

Mesoscale and Nanoscale Physics · Physics 2019-02-01 Song Li , Jyh-Pin Chou , Jie Wei , Minglei Sun , Alice Hu , Adam Gali

Ultra-wide bandgap and the absence of shallow dopants are the major challenges in realizing diamond based electronics. However, the surface functionalization offers an excellent alternative to tune electronic structure of diamonds. Herein,…

Materials Science · Physics 2022-08-05 N. Mohasin Sulthana , K. Ganesan , P. K. Ajikumar , S. Dhara

The quantitative evaluation of the carbon hybridization state by X-ray photoelectron spectroscopy (XPS) has been a surface-analysis problem for the last three decades due to the challenges associated with the unambiguous identification of…

In recent years, various forms of nanocrystalline diamond (NCD) have emerged as an attractive group of diamond/graphite mixed-phase materials for a range of applications from electron emission sources to electrodes for neural interfacing.…

Ultranonocrystalline diamond/hydrogenated amorphous carbon composite thin films consist of three different components; ultrananocrystalline diamond crystallites, hydrogenated amorphous carbon, and grain boundaries between them. Since grain…

Materials Science · Physics 2020-12-15 Naofumi Nishikawa

The p-type surface conductivity of H-terminated diamond (HD) has opened new path ways to develop diamond based electronic devices, photo-catalysts, chemical and bio-sensors. Herein, we report on the room temperature H2S detection behaviour…

Materials Science · Physics 2023-11-22 N. Mohasin Sulthana , K. Ganesan , P. K. Ajikumar

The sp${}^3$ dangling bond on the diamond surface plays a critical role in the performance and fabrication of diamond quantum technologies. For the former, the magnetic and electric properties of this defect can impede the performance of…

Mesoscale and Nanoscale Physics · Physics 2026-01-30 Lachlan Oberg , Yi-Ying Sung , Cedric Weber , Marcus W. Doherty , Christopher I. Pakes

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

Diamond single crystals showing Infra-red features of pressurized CO2-I phase were studied using Transmission Electron Microscopy (TEM) and tomography. Numerous O-containing precipitates with sizes up to 45 nm are observed. The absolute…

Materials Science · Physics 2023-05-23 Andrei A. Shiryaev , Yurii Chesnokov , Alexander L. Vasiliev , Thomas Hainschwang

A few studies have been recently presented for the existence of oxygen in diamond, for example, the N3 EPR centres have been theoretically and experimentally assigned the model made up from complex of substitutional nitrogen and…

Strongly Correlated Electrons · Physics 2017-02-13 K. M. Etmimi , P. R. Briddon , A. M. Abutruma , A. Sghayer , S. S. Farhat

The structural and elastic properties of diamond nanocomposites and ultrananocrystalline diamond films (UNCD) are investigated using both empirical potentials and tight binding schemes. We find that both materials are extremely hard, but…

Materials Science · Physics 2011-11-09 Maria Fyta , G. C. Hadjisavvas , P. C. Kelires

Electrical properties of metal-semiconductor (M/SC) and metal/oxide/SC structures built with Zr or ZrO\_2 deposited on oxygen-terminated surfaces of (001)-oriented diamond films, comprising a stack of lightly p-doped diamond on a heavily…

In the present work we report about the investigation of the conduction mechanism of sp2 carbon micro-channels buried in single crystal diamond. The structures are fabricated with a novel technique which employs a MeV focused ion-beam to…

Materials Science · Physics 2016-08-29 P. Olivero , G. Amato , F. Bellotti , S. Borini , A. Lo Giudice , F. Picollo , E. Vittone

Little is known about oxygen-related defects in diamond. Recently, the promising room-temperature spin centre named ST1 was identified as an oxygen centre, but of still unknown atomic structure and thermal stability. In this work, we report…

A metallic covalently bonded carbon allotrope is predicted via first principles calculations. It is composed of an $sp^3$ carbon framework that acts as a diamond anvil cell by constraining the distance between parallel cis-polyacetylene…

Materials Science · Physics 2022-06-08 Xiaoyu Wang , Davide M Proserpio , Corey Oses , Cormac Toher , Stefano Curtarolo , Eva Zurek

We investigate the correlation between surface roughness and corresponding $T_2$ times of nearsurface nitrogen-vacancy centers (~7 nm/ 5 keV implantation energy) in diamond. For this purpose we compare five different polishing techniques,…

Mesoscale and Nanoscale Physics · Physics 2018-01-11 G. Braunbeck , S. Mandal , M. Touge , O. A. Williams , F. Reinhard

Point defects in diamond may act as quantum bits. Recently, oxygen-vacancy related defects have been proposed to the origin of the so-called ST1 color center in diamond that can realize a long-living solid-state quantum memory. Motivated by…

Materials Science · Physics 2023-05-24 Nima Ghafari Cherati , Gergő Thiering , Ádám Gali

Nuclear magnetic resonance (NMR) imaging with shallow nitrogen-vacancy (NV) centers in diamond offers an exciting route toward sensitive and localized chemical characterization at the nanoscale. Remarkable progress has been made to combat…

‹ Prev 1 2 3 10 Next ›