Zobrazeno 1 - 10
of 21
pro vyhledávání: '"Ionut Mihalcea"'
Publikováno v:
Radiochimica Acta. 111:265-271
Many useful and needed radionuclides for medicinal, astrophysical, and environmental research are produced naturally in inefficient quantities or not-at-all. In the method described here, rare cosmogenic isotopes were produced via spallation reaction
Autor:
Matthias Schlomberg, Christof Vockenhuber, Hans-Arno Synal, Mario Veicht, Ionut Mihalcea, Dorothea Schumann
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 533
An accelerator mass spectrometry (AMS) method has been developed to detect 32Si and separate it from its intense isobar 32S. This separation is achieved using a passive absorber cell in front of a gas ionization chamber at an energy of 30 MeV at the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fa5bb38baca698d84860cd6ce757e443
https://hdl.handle.net/20.500.11850/581847
https://hdl.handle.net/20.500.11850/581847
Publikováno v:
Radiochimica Acta. 109:735-741
32Si (T 1/2 = 153(19) y) is an extremely rare, naturally-occurring isotope that has been considered as a geochronometer suitable for radiometric dating over the time span from 100 to 1000 years ago – a time span that has proved rather difficult to
Autor:
Danut-Gabriel Cozma, Constantin Virlan, Aurel Pui, Daniel Gherca, Nicoleta Cornei, Ionut Mihalcea
Publikováno v:
Current Nanoscience. 10:869-876
This study reports the synthesis of CoFe2O4 nanoparticles by coprecipitation method in the presence of Linseed Oil as surfactant. The capping agent was used to stabilize the particles and prevent their agglomeration. The characteriza- tion studies we
Publikováno v:
Crystal Growth & Design. 14:4729-4734
A series of homochiral lanthanide nicotinate helical coordination polymers [LnIII(nic)2(Hnic)(NO3)] (Ln = Eu (1), Gd (2), Tb (3); Hnic = nicotinic acid) has been solvothermally synthesized using nicotinic acid. In the resulting chains, chirality is n
Autor:
Ionut Mihalcea, Nick Waltham, Matthew Clapp, James King, Chris Hayes-Thakore, Tom Morse, Mike Salter
Publikováno v:
SPIE Proceedings.
World Space Observatory Ultraviolet (WSO-UV) is a major Russian-led international collaboration to develop a large space-borne 1.7 m Ritchey-Chretien telescope and instrumentation to study the universe at ultraviolet wavelengths between 115 nm and 32
Publikováno v:
SPIE Proceedings.
Readout noise is a key factor in the performance of optical systems based on charge coupled devices (CCDs). Recent developments have shown that digital correlated double sampling (DCDS) using weighted averaging may provide a further reduction in the
Autor:
Andrei Rogalev, Annie K. Powell, Mauro Perfetti, Francesco Pineider, Lorenzo Tesi, Christopher E. Anson, Fabrice Wilhelm, Roberta Sessoli, Valeriu Mereacre, Ionut Mihalcea
Publikováno v:
Inorganic chemistry. 55(20)
We report here the determination of the helical spin structure of three Ln-based chiral chains of the formula [Ln(Hnic)(nic)2(NO3)]n (Hnic = nicotinic acid; Ln = Tb, Dy, and Er) by means of cantilever torque magnetometry. While the Dy and Er derivati
Publikováno v:
Crystal Growth & Design. 12:4641-4648
Four uranyl-organic framework-type compounds have been hydrothermally synthesized with different ditopic aromatic dicarboxylates. The use of 1,4-benzenedicarboxylate (noted 1,4-bdc), 4,4′-biphenyldicarboxylate (noted 4,4′-bpdc), 4,4′-azobenzene
Publikováno v:
Inorganic Chemistry. 51:483-490
A series of four coordination polymers based on neodymium have been hydrothermally synthesized with different carboxylic acids as a linker. The structures of the compounds Nd(2)(2,6-ndc)(3)(H(2)O)(3)·H(2)O (1), Nd(2)(2,6-ndc)(2)(ox)(H(2)O)(2) (2), a