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Hasan MM, Wang C, Pala N, Shur M. Diamond for High-Power, High-Frequency, and Terahertz Plasma Wave Electronics. NANOMATERIALS (BASEL, SWITZERLAND) 2024; 14:460. [PMID: 38470789 DOI: 10.3390/nano14050460] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Revised: 02/21/2024] [Accepted: 02/27/2024] [Indexed: 03/14/2024]
Abstract
High thermal conductivity and a high breakdown field make diamond a promising candidate for high-power and high-temperature semiconductor devices. Diamond also has a higher radiation hardness than silicon. Recent studies show that diamond has exceptionally large electron and hole momentum relaxation times, facilitating compact THz and sub-THz plasmonic sources and detectors working at room temperature and elevated temperatures. The plasmonic resonance quality factor in diamond TeraFETs could be larger than unity for the 240-600 GHz atmospheric window, which could make them viable for 6G communications applications. This paper reviews the potential and challenges of diamond technology, showing that diamond might augment silicon for high-power and high-frequency compact devices with special advantages for extreme environments and high-frequency applications.
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Affiliation(s)
| | - Chunlei Wang
- Mechanical and Aerospace Engineering, University of Miami, Coral Gables, FL 33146, USA
| | - Nezih Pala
- Electrical & Computer Engineering, Florida International University, Miami, FL 33174, USA
| | - Michael Shur
- Electrical, Computer and Systems Engineering, Rensselaer Polytechnic Institute, Troy, NY 12180, USA
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Nanodiamonds for device applications: An investigation of the properties of boron-doped detonation nanodiamonds. Sci Rep 2018; 8:3270. [PMID: 29459783 PMCID: PMC5818659 DOI: 10.1038/s41598-018-21670-w] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2017] [Accepted: 02/09/2018] [Indexed: 11/21/2022] Open
Abstract
The inclusion of boron within nanodiamonds to create semiconducting properties would create a new class of applications in the field of nanodiamond electronics. Theoretical studies have differed in their conclusions as to whether nm-scale NDs would support a stable substitutional boron state, or whether such a state would be unstable, with boron instead aggregating or attaching to edge structures. In the present study detonation-derived NDs with purposefully added boron during the detonation process have been studied with a wide range of experimental techniques. The DNDs are of ~4 nm in size, and have been studied with CL, PL, Raman and IR spectroscopies, AFM and HR-TEM and electrically measured with impedance spectroscopy; it is apparent that the B-DNDs studied here do indeed support substitutional boron species and hence will be acting as semiconducting diamond nanoparticles. Evidence for moderate doping levels in some particles (~1017 B cm−3), is found alongside the observation that some particles are heavily doped (~1020 B cm−3) and likely to be quasi-metallic in character. The current study has therefore shown that substitutional boron doping in nm NDs is in fact possible, opening-up the path to a whole host of new applications for this interesting class of nano-particles.
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Buijnsters JG, Tsigkourakos M, Hantschel T, Gomes FOV, Nuytten T, Favia P, Bender H, Arstila K, Celis JP, Vandervorst W. Effect of Boron Doping on the Wear Behavior of the Growth and Nucleation Surfaces of Micro- and Nanocrystalline Diamond Films. ACS APPLIED MATERIALS & INTERFACES 2016; 8:26381-26391. [PMID: 27595278 DOI: 10.1021/acsami.6b08083] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
B-doped diamond has become the ultimate material for applications in the field of microelectromechanical systems (MEMS), which require both highly wear resistant and electrically conductive diamond films and microstructures. Despite the extensive research of the tribological properties of undoped diamond, to date there is very limited knowledge of the wear properties of highly B-doped diamond. Therefore, in this work a comprehensive investigation of the wear behavior of highly B-doped diamond is presented. Reciprocating sliding tests are performed on micro- and nanocrystalline diamond (MCD, NCD) films with varying B-doping levels and thicknesses. We demonstrate a linear dependency of the wear rate of the different diamond films with the B-doping level. Specifically, the wear rate increases by a factor of 3 between NCD films with 0.6 and 2.8 at. % B-doping levels. This increase in the wear rate can be linked to a 50% decrease in both hardness and elastic modulus of the highly B-doped NCD films, as determined by nanoindentation measurements. Moreover, we show that fine-grained diamond films are more prone to wear. Particularly, NCD films with a 3× smaller grain size but similar B-doping levels exhibit a double wear rate, indicating the crucial role of the grain size on the diamond film wear behavior. On the other hand, MCD films are the most wear-resistant films due to their larger grains and lower B-doping levels. We propose a graphical scheme of the wear behavior which involves planarization and mechanochemically driven amorphization of the surface to describe the wear mechanism of B-doped diamond films. Finally, the wear behavior of the nucleation surface of NCD films is investigated for the first time. In particular, the nucleation surface is shown to be susceptible to higher wear compared to the growth surface due to its higher grain boundary line density.
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Affiliation(s)
- Josephus G Buijnsters
- Department of Precision and Microsystems Engineering, Research Group of Micro and Nano Engineering, Delft University of Technology , Mekelweg 2, 2628 CD Delft, The Netherlands
- Department of Materials Engineering, KU Leuven , Kasteelpark Arenberg 44, B-3001 Leuven, Belgium
| | - Menelaos Tsigkourakos
- Department of Precision and Microsystems Engineering, Research Group of Micro and Nano Engineering, Delft University of Technology , Mekelweg 2, 2628 CD Delft, The Netherlands
- Imec , Kapeldreef 75, B-3001 Leuven, Belgium
- IKS-Department of Physics, KU Leuven , Celestijnenlaan 200D, B-3001 Leuven, Belgium
| | | | - Francis O V Gomes
- Imec , Kapeldreef 75, B-3001 Leuven, Belgium
- IKS-Department of Physics, KU Leuven , Celestijnenlaan 200D, B-3001 Leuven, Belgium
| | | | - Paola Favia
- Imec , Kapeldreef 75, B-3001 Leuven, Belgium
| | - Hugo Bender
- Imec , Kapeldreef 75, B-3001 Leuven, Belgium
| | - Kai Arstila
- Imec , Kapeldreef 75, B-3001 Leuven, Belgium
- Department of Physics, University of Jyväskylä , P.O. Box 35, FI-40014 Jyväskylä, Finland
| | - Jean-Pierre Celis
- Department of Materials Engineering, KU Leuven , Kasteelpark Arenberg 44, B-3001 Leuven, Belgium
| | - Wilfried Vandervorst
- Imec , Kapeldreef 75, B-3001 Leuven, Belgium
- IKS-Department of Physics, KU Leuven , Celestijnenlaan 200D, B-3001 Leuven, Belgium
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Maybeck V, Edgington R, Bongrain A, Welch JO, Scorsone E, Bergonzo P, Jackman RB, Offenhäusser A. Boron-doped nanocrystalline diamond microelectrode arrays monitor cardiac action potentials. Adv Healthc Mater 2014; 3:283-9. [PMID: 23949946 DOI: 10.1002/adhm.201300062] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2013] [Revised: 06/17/2013] [Indexed: 11/07/2022]
Abstract
The expansion of diamond-based electronics in the area of biological interfacing has not been as thoroughly explored as applications in electrochemical sensing. However, the biocompatibility of diamond, large safe electrochemical window, stability, and tunable electronic properties provide opportunities to develop new devices for interfacing with electrogenic cells. Here, the fabrication of microelectrode arrays (MEAs) with boron-doped nanocrystalline diamond (BNCD) electrodes and their interfacing with cardiomyocyte-like HL-1 cells to detect cardiac action potentials are presented. A nonreductive means of structuring doped and undoped diamond on the same substrate is shown. The resulting BNCD electrodes show high stability under mechanical stress generated by the cells. It is shown that by fabricating the entire surface of the MEA with NCD, in patterns of conductive doped, and isolating undoped regions, signal detection may be improved up to four-fold over BNCD electrodes passivated with traditional isolators.
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Affiliation(s)
- Vanessa Maybeck
- ICS/PGI-8 Bioelectronics, Forschungszentrum Jülich GmbH, Jülich, 52425, Germany
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Edgington R, Ruslinda AR, Sato S, Ishiyama Y, Tsuge K, Ono T, Kawarada H, Jackman RB. Boron δ-doped (111) diamond solution gate field effect transistors. Biosens Bioelectron 2012; 33:152-7. [DOI: 10.1016/j.bios.2011.12.044] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2011] [Revised: 12/22/2011] [Accepted: 12/25/2011] [Indexed: 11/27/2022]
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Balmer RS, Brandon JR, Clewes SL, Dhillon HK, Dodson JM, Friel I, Inglis PN, Madgwick TD, Markham ML, Mollart TP, Perkins N, Scarsbrook GA, Twitchen DJ, Whitehead AJ, Wilman JJ, Woollard SM. Chemical vapour deposition synthetic diamond: materials, technology and applications. JOURNAL OF PHYSICS. CONDENSED MATTER : AN INSTITUTE OF PHYSICS JOURNAL 2009; 21:364221. [PMID: 21832327 DOI: 10.1088/0953-8984/21/36/364221] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
Substantial developments have been achieved in the synthesis of chemical vapour deposition (CVD) diamond in recent years, providing engineers and designers with access to a large range of new diamond materials. CVD diamond has a number of outstanding material properties that can enable exceptional performance in applications as diverse as medical diagnostics, water treatment, radiation detection, high power electronics, consumer audio, magnetometry and novel lasers. Often the material is synthesized in planar form; however, non-planar geometries are also possible and enable a number of key applications. This paper reviews the material properties and characteristics of single crystal and polycrystalline CVD diamond, and how these can be utilized, focusing particularly on optics, electronics and electrochemistry. It also summarizes how CVD diamond can be tailored for specific applications, on the basis of the ability to synthesize a consistent and engineered high performance product.
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Affiliation(s)
- R S Balmer
- Element Six Ltd, Kings Ride Park, Ascot SL5 8BP, UK
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Shatskiy A, Yamazaki D, Morard G, Cooray T, Matsuzaki T, Higo Y, Funakoshi KI, Sumiya H, Ito E, Katsura T. Boron-doped diamond heater and its application to large-volume, high-pressure, and high-temperature experiments. THE REVIEW OF SCIENTIFIC INSTRUMENTS 2009; 80:023907. [PMID: 19256662 DOI: 10.1063/1.3084209] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
A temperature of 3500 degrees C was generated using a diamond resistance heater in a large-volume Kawai-type high-pressure apparatus. Re and LaCrO(3) have conventionally been used for heaters in high-pressure studies but they cannot generate temperatures higher than 2900 degrees C and make in situ x-ray observations difficult due to their high x-ray absorption. Using a boron-doped diamond heater overcomes these problems and achieves stable temperature generation for pressure over 10 GPa. The heater starting material is a cold-compressed mixture of graphite with boron used to avoid the manufacturing difficulties due to the extreme hardness of diamond. The diamond heater was synthesized in situ from the boron-graphite mixture at temperature of 1600+/-100 degrees C and pressure of 20 GPa. By using the proposed technique, we have employed the diamond heater for high-temperature generation in a large-volume high-pressure apparatus. Achievement of temperatures above 3000 degrees C allows us to measure the melting points of the important constituents in earth's mantle (MgSiO(3), SiO(2), and Al(2)O(3)) and core (Fe and Ni) at extremely high pressures.
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Affiliation(s)
- Anton Shatskiy
- Institute for Study of the Earth's Interior, Okayama University, Misasa, Tottori 682-0193, Japan.
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Abstract
A summary of photo- and electrochemical surface modifications applied on single-crystalline chemical vapour deposition diamond films is given. The covalently bonded formation of amine and phenyl linker molecular layers is characterized using X-ray photoelectron spectroscopy, atomic force microscopy (AFM), cyclic voltammetry and field-effect transistor characterization experiments. Amine and phenyl layers are very different with respect to formation, growth, thickness and molecular arrangement. We deduce a sub-monolayer of amine linker molecules on diamond with approximately 10% coverage of 1.510(15) cm(-2) carbon bonds. Amine is bonded only on initially H-terminated surface areas. In the case of electrochemical deposition of phenyl layers, multilayer properties are detected with three-dimensional nitrophenyl growth properties. This leads to the formation of typically 25 A thick layers. The electrochemical bonding to boron-doped diamond works on H-terminated and oxidized surfaces. After reacting such films with heterobifunctional cross-linker molecules, thiol-modified ss-DNA markers are bonded to the organic system. Application of fluorescence and AFM on hybridized DNA films shows dense arrangements with densities up to 10(13) cm(-2). The DNA is tilted by an angle of approximately 35 degrees with respect to the diamond surface. Shortening the bonding time of thiol-modified ss-DNA to 10 min causes a decrease in DNA density to approximately 10(12) cm(-2). Application of AFM scratching experiments shows threshold removal forces of approximately 75 and 45 nN for the DNA bonded to the phenyl and the amine linker molecules, respectively. First, DNA sensor applications using Fe(CN6) 3-/4- mediator redox molecules and DNA field-effect transistor devices are introduced and discussed.
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Isberg J, Lindblom A, Tajani A, Twitchen D. Temperature dependence of hole drift mobility in high-purity single-crystal CVD diamond. ACTA ACUST UNITED AC 2005. [DOI: 10.1002/pssa.200561915] [Citation(s) in RCA: 53] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Ekimov EA, Sidorov VA, Bauer ED, Mel'nik NN, Curro NJ, Thompson JD, Stishov SM. Superconductivity in diamond. Nature 2004; 428:542-5. [PMID: 15057827 DOI: 10.1038/nature02449] [Citation(s) in RCA: 923] [Impact Index Per Article: 46.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2004] [Accepted: 03/01/2004] [Indexed: 11/09/2022]
Abstract
Diamond is an electrical insulator well known for its exceptional hardness. It also conducts heat even more effectively than copper, and can withstand very high electric fields. With these physical properties, diamond is attractive for electronic applications, particularly when charge carriers are introduced (by chemical doping) into the system. Boron has one less electron than carbon and, because of its small atomic radius, boron is relatively easily incorporated into diamond; as boron acts as a charge acceptor, the resulting diamond is effectively hole-doped. Here we report the discovery of superconductivity in boron-doped diamond synthesized at high pressure (nearly 100,000 atmospheres) and temperature (2,500-2,800 K). Electrical resistivity, magnetic susceptibility, specific heat and field-dependent resistance measurements show that boron-doped diamond is a bulk, type-II superconductor below the superconducting transition temperature T(c) approximately 4 K; superconductivity survives in a magnetic field up to Hc2(0) > or = 3.5 T. The discovery of superconductivity in diamond-structured carbon suggests that Si and Ge, which also form in the diamond structure, may similarly exhibit superconductivity under the appropriate conditions.
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Affiliation(s)
- E A Ekimov
- Vereshchagin Institute for High Pressure Physics, Russian Academy of Sciences, 142190 Troitsk, Moscow region, Russia
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Sternschulte H, Thonke K, Sauer R. Near-Band-Edge Luminescence Studies of Diamond Doped during CVD Growth or by Ion Implantation. ACTA ACUST UNITED AC 1999. [DOI: 10.1002/(sici)1521-396x(199903)172:1<37::aid-pssa37>3.0.co;2-w] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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