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Table representation of search results timeline featuring number of search results per year.

Year Number of Results
1947 1
1971 1
1979 1
1987 2
1989 1
1992 1
1994 4
1997 1
2000 2
2001 3
2002 3
2003 5
2004 4
2005 2
2006 8
2007 9
2008 3
2009 6
2010 4
2011 6
2012 10
2013 1
2014 3
2015 4
2016 7
2017 5
2018 6
2019 6
2020 8
2021 12
2022 9
2023 10
2024 6

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144 results

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Page 1
Radio frequency transmitter based on a laser frequency comb.
Piccardo M, Tamagnone M, Schwarz B, Chevalier P, Rubin NA, Wang Y, Wang CA, Connors MK, McNulty D, Belyanin A, Capasso F. Piccardo M, et al. Proc Natl Acad Sci U S A. 2019 May 7;116(19):9181-9185. doi: 10.1073/pnas.1903534116. Epub 2019 Apr 24. Proc Natl Acad Sci U S A. 2019. PMID: 31019080 Free PMC article.
Since the days of Hertz, radio transmitters have evolved from rudimentary circuits emitting around 50 MHz to modern ubiquitous Wi-Fi devices operating at gigahertz radio bands. As wireless data traffic continues to increase, there is a need for new communication tec …
Since the days of Hertz, radio transmitters have evolved from rudimentary circuits emitting around 50 MHz to modern ubiquitous Wi-Fi …
Ultra-high-frequency radio-frequency acoustic molecular imaging with saline nanodroplets in living subjects.
Chen YS, Zhao Y, Beinat C, Zlitni A, Hsu EC, Chen DH, Achterberg F, Wang H, Stoyanova T, Dionne J, Gambhir SS. Chen YS, et al. Nat Nanotechnol. 2021 Jun;16(6):717-724. doi: 10.1038/s41565-021-00869-5. Epub 2021 Mar 29. Nat Nanotechnol. 2021. PMID: 33782588 Free PMC article.
Molecular imaging is a crucial technique in clinical diagnostics but it relies on radioactive tracers or strong magnetic fields that are unsuitable for many patients, particularly infants and pregnant women. Ultra-high-frequency radio-frequency acoustic (UHF- …
Molecular imaging is a crucial technique in clinical diagnostics but it relies on radioactive tracers or strong magnetic fields that are uns …
High-Frequency Graphene Base Hot-Electron Transistor.
Liang BW, Chang WH, Lin HY, Chen PC, Zhang YT, Simbulan KB, Li KS, Chen JH, Kuan CH, Lan YW. Liang BW, et al. ACS Nano. 2021 Apr 27;15(4):6756-6764. doi: 10.1021/acsnano.0c10208. Epub 2021 Mar 18. ACS Nano. 2021. PMID: 33734665
In this work, we demonstrate a vertical graphene base hot-electron transistor that performs in the radio frequency regime. Our device exhibits a relatively high current density (200 A/cm(2)), high common base current gain (alpha* 99.2%), and moderate common emitter current …
In this work, we demonstrate a vertical graphene base hot-electron transistor that performs in the radio frequency regime. Our device …
High-Temperature-Annealed Flexible Carbon Nanotube Network Transistors for High-Frequency Wearable Wireless Electronics.
Lan Y, Yang Y, Wang Y, Wu Y, Cao Z, Huo S, Jiang L, Guo Y, Wu Y, Yan B, Xu R, Chen Y, Li Y, Lal S, Ma Z, Xu Y. Lan Y, et al. ACS Appl Mater Interfaces. 2020 Jun 10;12(23):26145-26152. doi: 10.1021/acsami.0c03810. Epub 2020 May 28. ACS Appl Mater Interfaces. 2020. PMID: 32410452
Semiconducting single-walled carbon nanotubes (SWNTs) are potential active materials for fast-growing flexible/wearable applications with low-power dissipation, especially suitable for increasingly important radio-frequency (RF) wireless biosensor systems. However, the ope …
Semiconducting single-walled carbon nanotubes (SWNTs) are potential active materials for fast-growing flexible/wearable applications with lo …
Natural sources of intense ultra-high-frequency radiation in high-voltage atmospheric discharges.
Parkevich EV, Khirianova AI, Khirianov TF, Baidin IS, Shpakov KV, Tolbukhin DV, Rodionov AA, Bolotov YK, Ryabov VA, Ambrozevich SA, Oginov AV. Parkevich EV, et al. Phys Rev E. 2023 Aug;108(2-2):025201. doi: 10.1103/PhysRevE.108.025201. Phys Rev E. 2023. PMID: 37723730
We study the sources of intense ultra-high-frequency (UHF) radiation (in the frequency range 1-6 GHz) arising during the development of high-voltage atmospheric discharges. The discharges were initiated in a long discharge gap by applying an approximately 1-MV pulse …
We study the sources of intense ultra-high-frequency (UHF) radiation (in the frequency range 1-6 GHz) arising during the devel …
Ultrasonic Measurement of Axial Preload in High-Frequency Nickel-Based Superalloy Smart Bolt.
Liu S, Sun Z, Ren G, Liao C, He X, Luo K, Li R, Jiang W, Zhan H. Liu S, et al. Sensors (Basel). 2022 Dec 25;23(1):220. doi: 10.3390/s23010220. Sensors (Basel). 2022. PMID: 36616818 Free PMC article.
A high-frequency, piezoelectric thin-film sensor was successfully deposited on a nickel-based superalloy bolt by radio frequency magnetron sputtering to develop a smart, nickel-based superalloy bolt. ...The results indicate that this system is a promising axi …
A high-frequency, piezoelectric thin-film sensor was successfully deposited on a nickel-based superalloy bolt by radio …
Streamer formation processes trigger intense x-ray and high-frequency radio emissions in a high-voltage discharge.
Parkevich EV, Shpakov KV, Baidin IS, Rodionov AA, Khirianova AI, Khirianov TF, Bolotov YK, Medvedev MA, Ryabov VA, Kurilenkov YK, Oginov AV. Parkevich EV, et al. Phys Rev E. 2022 May;105(5):L053201. doi: 10.1103/PhysRevE.105.L053201. Phys Rev E. 2022. PMID: 35706228
For a laboratory discharge initiated in a long air gap by a microsecond megavolt pulse, we simultaneously register wideband high-frequency microwave and hard-x-ray emissions and thoroughly analyze the temporal relationship of the emissions depending on the discharge …
For a laboratory discharge initiated in a long air gap by a microsecond megavolt pulse, we simultaneously register wideband high-f …
A Review on Optoelectronical Properties of Non-Metal Oxide/Diamond-Based p-n Heterojunction.
Sang X, Wang Y, Wang Q, Zou L, Ge S, Yao Y, Wang X, Fan J, Sang D. Sang X, et al. Molecules. 2023 Jan 30;28(3):1334. doi: 10.3390/molecules28031334. Molecules. 2023. PMID: 36771000 Free PMC article. Review.
Diamond holds promise for optoelectronic devices working in high-frequency, high-power and high-temperature environments, for example in some aspect of nuclear energetics industry processing and aerospace due to its wide bandgap (5.5 eV), ultimate thermal conductivi …
Diamond holds promise for optoelectronic devices working in high-frequency, high-power and high-temperature environments, for …
MR safety assessment of active implantable medical devices.
Aissani S, Laistler E, Felblinger J. Aissani S, et al. Radiologe. 2019 Dec;59(Suppl 1):40-45. doi: 10.1007/s00117-019-0541-6. Radiologe. 2019. PMID: 31321466 Review. English.
OBJECTIVE: In this article, test methods used to investigate interactions between AIMDs with radio frequency fields and time-varying magnetic gradient fields are reviewed. ...The state of the art and promising methods are discussed. RESULTS: ISO/TS 10974 describes the desi …
OBJECTIVE: In this article, test methods used to investigate interactions between AIMDs with radio frequency fields and time-varying …
Radio-frequency scanning tunnelling microscopy.
Kemiktarak U, Ndukum T, Schwab KC, Ekinci KL. Kemiktarak U, et al. Nature. 2007 Nov 1;450(7166):85-8. doi: 10.1038/nature06238. Nature. 2007. PMID: 17972882 Free article.
A severe limitation in scanning tunnelling microscopy is the low temporal resolution, originating from the diminished high-frequency response of the tunnel current readout circuitry. ...Furthermore, we have detected high-frequency mechanical motion wit …
A severe limitation in scanning tunnelling microscopy is the low temporal resolution, originating from the diminished high-frequen …
144 results