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Air-water interface-assisted synthesis and charge transport characterization of quasi-2d polyacetylene films with enhanced electron mobility via ring-opening polymerization of pyrrole
Kejun Liu, Nadiia Pastukhova, Egon Pavlica, Gvido Bratina, Xinliang Feng, 2024, drugi sestavni deli

Opis: Water surfaces catalyze some organic reactions more effectively, making them unique for 2D organic material synthesis. This report introduces a new synthesis method via surfactant-monolayer-assisted interfacial synthesis on water surfaces for ring-opening polymerization of pyrrole, producing distinct polypyrrole derivatives with polyacetylene backbones and ionic substitutions. The synthesis result in quasi 2D polyacetylene (q2DPA) film with enhanced charge transport behavior. We employed time-of-flight photoconductivity (TOFP) measurements using pulsed laser light of tunable wavelength for photoexcitation of the charge carriers within the q2DPA film. The charge transport was measured in the lateral direction as a function of external bias voltage ranging from 0 V to 200 V. We observed high electron mobility ({\mu}) of q2DPA reaching values of 375 cm2 V-1 s-1 at bias voltage Vb = -20V and photon energy of 3.8 eV.
Ključne besede: air-water interface-assisted synthesis, time-of-flight photoconductivity, 2D polymers, quasi 2D polyacetylene, q2DPA
Objavljeno v RUNG: 09.04.2024; Ogledov: 386; Prenosov: 2
.pdf Celotno besedilo (3,89 MB)
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A result of Krasner in categorial form
Alessandro Linzi, 2023, izvirni znanstveni članek

Ključne besede: valuation, completion, field, hyperfield, category theory
Objavljeno v RUNG: 11.12.2023; Ogledov: 757; Prenosov: 6
.pdf Celotno besedilo (347,74 KB)
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A new symmetry in valuation theory
Alessandro Linzi, 2023, objavljeni povzetek znanstvenega prispevka na konferenci

Ključne besede: valuation, valued field, p-adic numbers, hyperfield
Objavljeno v RUNG: 27.06.2023; Ogledov: 1046; Prenosov: 8
.pdf Celotno besedilo (405,62 KB)

Valuations on structures more general than fields
Alessandro Linzi, 2023, objavljeni znanstveni prispevek na konferenci

Ključne besede: hyperfield, valuation, valued field, tropical hyperfield
Objavljeno v RUNG: 27.06.2023; Ogledov: 938; Prenosov: 8
.pdf Celotno besedilo (276,86 KB)
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Krasner hyperfields and the model theory of valued fields
Alessandro Linzi, prispevek na konferenci brez natisa

Ključne besede: hyperfield, valued field, model theory, quantifier elimination, valuation, subhyperfield
Objavljeno v RUNG: 10.10.2022; Ogledov: 1142; Prenosov: 0
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Orderings and valuations in hyperfields
Katarzyna Kuhlmann, Alessandro Linzi, Hanna Stojałowska, 2022, izvirni znanstveni članek

Ključne besede: hyperfields, hyperring, ordering, valuation
Objavljeno v RUNG: 28.09.2022; Ogledov: 1218; Prenosov: 0
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Electronic properties of phases in the quasi-binary Bi[sub]2Se[sub]3-Bi[sub]2S[sub]3 system
Zipporah Rini Benher, Sandra Gardonio, Mattia Fanetti, Paolo Moras, Asish K. Kundu, Chiara Bigi, Matjaž Valant, 2021, izvirni znanstveni članek

Opis: We explored the properties of the quasi-binary Bi2Se3–Bi2S3 system over a wide compositional range. X-ray diffraction analysis demonstrates that rhombohedral crystals can be synthesized within the solid solution interval 0–22 mol% Bi2S3, while at 33 mol% Bi2S3 only orthorhombic crystals are obtained. Core level photoemission spectroscopy reveals the presence of Bi3+, Se2− and S2− species and the absence of metallic species, thus indicating that S incorporation into Bi2Se3 proceeds prevalently through the substitution of Se with S. Spin- and angle-resolved photoemission spectroscopy shows that topological surface states develop on the surfaces of the Bi2Se3−ySy (y ≤0.66) rhombohedral crystals, in close analogy with the prototypical case of Bi2Se3, while the orthorhombic crystals with higher S content turn out to be trivial semiconductors. Our results connect unambiguously the phase diagram and electronic properties of the Bi2Se3–Bi2S3 system.
Ključne besede: topological insulator, quasi-binary Bi2Se3-Bi2S3 system, electronic properties
Objavljeno v RUNG: 29.03.2021; Ogledov: 2286; Prenosov: 0
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A New Type of Fuzzy Quasi-ideals of Ordered Semigroups
Irina Elena Cristea, Ahsan Mahboob, Noor Mohammad Khan, 2020, izvirni znanstveni članek

Ključne besede: ordered semigroup, fuzzy subset, fuzzy quasi ideal
Objavljeno v RUNG: 14.05.2020; Ogledov: 2684; Prenosov: 0
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Hashem Bordbar, Young Bae Jun, 2017, izvirni znanstveni članek

Opis: The notions of (strong) quasi prime mapping on the set of all ideals, t- type weak closure operation, and tender (resp., naive, sheer, feeble tender) weak closure operation are introduced, and their relations and properties are investigated. Conditions for a weak closure operation to be of t-type are provided. Given a weak closure operation, conditions for the new weak closure operation to be of t-type and to be a naive (sheer, feeble tender) weak closure operation are considered. We show that the new weak closure operation is the smallest tender weak closure operation containing the given weak closure operation.
Ključne besede: (strong) quasi prime mapping, t-type weak closure operation, naive (sheer, tender, feeble tender) weak closure operation.
Objavljeno v RUNG: 02.12.2019; Ogledov: 2940; Prenosov: 0
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