Experimental investigation of the characteristics of radioactive beams for heavy ion therapy.
Sign Up to like & getrecommendations! Published in 2020 at "Medical physics"
DOI: 10.1002/mp.14177
Abstract: PURPOSE This work has two related objectives. The first is to estimate the relative biological effectiveness of two radioactive heavy ion beams based on experimental measurements, and compare these to the relative biological effectiveness of… read more here.
Keywords: ion beams; positron; phantom; depth maximum ... See more keywords
Impact of low energy ion beams on the properties of rr-P3HT films
Sign Up to like & getrecommendations! Published in 2021 at "Applied Surface Science"
DOI: 10.1016/j.apsusc.2020.147619
Abstract: Abstract Two types of ions (fluorine and titanium) are implanted into the film of regio-regular poly(3-hexylthiophene-2,5-diyl) (rr-P3HT) spin-coated on a glass substrate with subsequent annealing in argon atmosphere to modify their electrical properties and structure.… read more here.
Keywords: ion beams; energy; impact low; energy ion ... See more keywords
Ion reflection by shock waves and pulse generation by cross-field ion beams
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Plasma Physics"
DOI: 10.1017/s0022377816001240
Abstract: Comparisons are made of two different particle simulations: one for the study of plasma-based accelerators (Gueroult & Fisch, Phys. Plasmas, vol. 23, 2016, 032113) and the other for the study of shock formation in the… read more here.
Keywords: ion beams; field; shock waves; generation ... See more keywords
Folding Sheets with Ion Beams.
Sign Up to like & getrecommendations! Published in 2017 at "Nano letters"
DOI: 10.1021/acs.nanolett.6b03976
Abstract: Focused ion beams (FIBs) are versatile tools with cross-disciplinary applications from the physical and life sciences to archeology. Nevertheless, the nanoscale patterning precision of FIBs is often accompanied by defect formation and sample deformation. In… read more here.
Keywords: ion beams; sheets ion; folding sheets; deformation ... See more keywords
Optical Nanoscopy of High Tc Cuprate Nanoconstriction Devices Patterned by Helium Ion Beams.
Sign Up to like & getrecommendations! Published in 2017 at "Nano letters"
DOI: 10.1021/acs.nanolett.6b04729
Abstract: Helium ion beams (HIB) focused to subnanometer scales have emerged as powerful tools for high-resolution imaging as well as nanoscale lithography, ion milling, or deposition. Quantifying irradiation effects is an essential step toward reliable device… read more here.
Keywords: ion beams; optical nanoscopy; microscopy; cuprate ... See more keywords
Non-resonant Alfvénic instability activated by high temperature of ion beams in compensated-current astrophysical plasmas
Sign Up to like & getrecommendations! Published in 2018 at "Astronomy and Astrophysics"
DOI: 10.1051/0004-6361/201731710
Abstract: Context. Compensated-current systems are established in response to hot ion beams in terrestrial foreshock regions, around supernova remnants, and in other space and astrophysical plasmas. Aims. We study a non-resonant reactive instability of Alfven waves… read more here.
Keywords: ion beams; plasmas; temperature; compensated current ... See more keywords
In situ electrostatic characterisation of ion beams in the region of ion acceleration
Sign Up to like & getrecommendations! Published in 2018 at "Physics of Plasmas"
DOI: 10.1063/1.5017049
Abstract: In situ and ex situ techniques have been used to measure directional ion beams created by a sharp axial potential drop in low pressure expanding plasmas. Although Retarding Field Energy Analysers (RFEAs) are the most… read more here.
Keywords: ion beams; beams region; acceleration; situ electrostatic ... See more keywords
Direct preparation of standard functional interfaces in oxide heterostructures for 2DEG analysis through beam-induced platinum contacts
Sign Up to like & getrecommendations! Published in 2018 at "Applied Physics Letters"
DOI: 10.1063/1.5046093
Abstract: Two-dimensional electron gas (2DEG) in SrTiO3/LaAlO3 heterostructures has been extensively studied in the last few years; however, little attention has been given to a practical way to contact electrically the low dimensional gas at the… read more here.
Keywords: ion beams; gas; deposition; focused ion ... See more keywords
Dosimetric verification in water of a Monte Carlo treatment planning tool for proton, helium, carbon and oxygen ion beams at the Heidelberg Ion Beam Therapy Center.
Sign Up to like & getrecommendations! Published in 2017 at "Physics in medicine and biology"
DOI: 10.1088/1361-6560/aa7be4
Abstract: The introduction of 'new' ion species in particle therapy needs to be supported by a thorough assessment of their dosimetric properties and by treatment planning comparisons with clinically used proton and carbon ion beams. In… read more here.
Keywords: ion beams; carbon; treatment planning; monte carlo ... See more keywords
Optical imaging for the characterization of radioactive carbon and oxygen ion beams.
Sign Up to like & getrecommendations! Published in 2019 at "Physics in medicine and biology"
DOI: 10.1088/1361-6560/ab1ccf
Abstract: Heavy ion therapy is a promising cancer therapy technique due to the sharper Bragg peak and smaller lateral scattering characteristics of heavy ion beams as compared to a proton therapy. Recently, the potential for radioactive… read more here.
Keywords: ion beams; optical imaging; radioactive ion; ion ... See more keywords
Energy spread estimation of radioactive oxygen ion beams using optical imaging.
Sign Up to like & getrecommendations! Published in 2020 at "Physics in medicine and biology"
DOI: 10.1088/1361-6560/abc304
Abstract: Radioactive ion beams combined with in-beam positron emission tomography (PET) enable accurate in situ beam range verification in heavy ion therapy. However, the energy spread of the radioactive beams generated as secondary beams is wider… read more here.
Keywords: ion beams; spread estimation; energy; energy spread ... See more keywords