Results 61 to 70 of about 79,389 (194)

Temperature mapping on a niobium-coated copper superconducting radio-frequency cavity

open access: yesScientific Reports, 2023
Since the late ’80s, CERN has pioneered the development of niobium thin film radio-frequency (RF) cavities deposited on copper substrates for several particle accelerator applications.
Antonio Bianchi   +1 more
doaj   +1 more source

Environmental Sustainability of Niobium Recycling: The Case of the Automotive Industry

open access: yesRecycling, 2019
The recycling of scrap is one of the common approaches aiming at reduction of mining-based production of critical metals and mitigation of their supply risk as well as processing-related environmental impact. The number of currently available end-of-life
Saeed Rahimpour Golroudbary   +3 more
doaj   +1 more source

Study of properties of high-field superconductors at elevated temperatures Final technical report, 27 Apr. - 26 Aug. 1966 [PDF]

open access: yes
Properties of high field superconductors at high temperatures - magnetization experiments on niobium and niobium ...
Gandolfo, D. A., Harper, C. M.
core   +1 more source

Characterisation of Cryogenic Material Properties of 3D-Printed Superconducting Niobium using a 3D Lumped Element Microwave Cavity

open access: yes, 2020
We present an experimental characterisation of the electrical properties of 3D-printed Niobium. The study was performed by inserting a 3D-printed Nb post inside an Aluminium cylindrical cavity, forming a 3D lumped element re-entrant microwave cavity ...
Bourhill, Jeremy   +5 more
core  

Техніка та технологія дезінтеграції й гравітаційного збагачення рідкіснометалічних руд [PDF]

open access: yes, 2017
On the base of the analysis of centrifugal concentrators designs there has been justified the selection of apparatus for the rare-metal ores beneficiation.
Biletskyi, V. S.   +3 more
core  

Trialkyl-dihalotantalum and niobium compounds Patent [PDF]

open access: yes, 1968
Organometallic compounds of niobium and tantalum useful for film ...
Juvinall, G. L.
core   +1 more source

XPS studies of nitrogen doping niobium used for accelerator applications

open access: yes, 2018
Nitrogen doping study on niobium (Nb) samples used for the fabrication of superconducting radio frequency (SRF) cavities was carried out. The samples' surface treatment was attempted to replicate that of the Nb SRF cavities, which includes heavy ...
He, Yuan   +7 more
core   +1 more source

New Niobium Capacitors with Stable Electrical Parameters

open access: yesActive and Passive Electronic Components, 2002
The replacement of the anode material in tantalum capacitors by a new generation of high CV niobium powders offers the possibility to get an economical alternative to tantalum for a wide range of applications.
H. Zillgen, M. Stenzel, W. Lohwasser
doaj   +1 more source

Alkoxide complexes of rhenium, niobium and tantalum [PDF]

open access: yes, 2009
This thesis describes two major methods for preparation of new mono-, bi- and trimetallic complexes on the basis of Rhenium, Niobium and Tantalum: (1) - the electrochemical method for the synthesis of Re4O4(OEt)12 and (2) - the interaction of Rhenium ...
Nikonova, Olesya A.
core  

Superconducting properties of niobium after electron beam welding

open access: yesPhysical Review Special Topics. Accelerators and Beams, 2011
One of the major criteria for designing superconducting niobium resonant cavities is to minimize the peak surface electric and magnetic fields to maximize the achievable accelerating electric gradient.
Prakash N. Potukuchi   +5 more
doaj   +1 more source

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