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Search results for: KLi
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Welfare State
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The effect of Fe and Ru substitution on the superconductivity in MgCNi_3
PublicationDyskutowany jest efekt częściowego podstawienia żelazem (3d) i rutenem (4d) w miejsce niklu w intermetalicznym nadprzewodniku MgCNi3. Temperatura krytyczna w obu przypadkach obniża się monotonicznie wraz ze wzrostem koncentracji domieszki. Jednakże bardziej gwałtowny zanik T_c w przypadku MgCNi_(3-x)Fe_x sugeruje, że elektrony 3d żelaza rozrywają nadprzewodzące pary Coopera.
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Carbon isotope effect in superconducting MgCNi_3
PublicationPodstawienie izotopu węgla 13C w związku MgCNi_3 obniża temperaturę przejścia nadprzewodzącego o 300mK. Wyliczony na tej podstawie wspolczynnik izotopowy alfa(C) wynosi 0.54, co silnie potwierdza fononowy charakter nadprzewodnictwa.
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Crystal structure and low-energy Einstein mode in ErV2Al20 intermetallic cage compound
PublicationSingle crystals of a new ternary aluminide ErV2Al20 were grown using a self-flux method. The crystal structure was determined by powder X-ray diffraction measurements and Rietveld refinement, and physical properties were studied by means of electrical resistivity, magnetic susceptibility and specific heat measurements. These measurements reveal that ErV2Al20 is a Curie-Weiss paramagnet down to 1.95 K with an effective magnetic...
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ZARZĄDZANIE ZASOBAMI LEŚNYMI
e-Learning CoursesTak jak w przeszłości, tak i obecnie las odgrywa dużą rolę w rozwoju ludzkości. Pierwotnie zależność człowieka od przyrody była całkowita. Las zawsze dostarczał żywności, drewna oraz stanowił przeszkodę w zdobywaniu terenów pod osadnictwo czy uprawę roli. Począwszy od XII wieku w wyniku nadań i rozgraniczeń obszarów leśnych zaczęła się tworzyć feudalna własność leśna. Pierwsze akty prawne powstające w tym okresie dotyczące terenów...
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Teorie wzrostu gospodarczego i konwergencji - stacjonarne, 2023/24 lato
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Forest management
e-Learning CoursesThe last ice age ended in Scandinavia about 15 000 years ago. The land was gradually occupied by present tree species. Human settlement followed the vegetation. The first forest uses were hunting and gathering. Animal husbandry and forest grazing came later. Shifting cultivation was a wide spread form of agriculture, especially in Sweden and Finland. Wood was first used for domestic purposes and for construction, In the 18th century,...
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Teorie wzrostu gospodarczego i konwergencji - niestacjonarne, 2023/24 lato
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Mn3O4 encapsulated in hollow carbon spheres coated by graphene layer for enhanced magnetization and lithium-ion batteries performance
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On the rising extra storage capacity of ultra-small Fe3O4particles functionalized with HCS and their potential as high-performance anode material for electrochemical energy storage
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Fabrication of 3D graphene/MoS2 spherical heterostructure as anode material in Li-ion battery
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Sex differences in excess and reservoir arterial blood pressures as markers of phenotype
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Structure–property relationships and third-order nonlinearities in diketopyrrolopyrrole based D–π–A–π–D molecules
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Association between P-glycoprotein and lymphoid antigen expression on myeloblasts versus therapy response and survival in de novo acute myeloid leukemia: long-term follow-up results
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Superconductivity in noncentrosymmetricMg10Ir19B16
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Electronic conduction in (Bi,Pb)–Sr–Ca–Cu–O glass-ceramics
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Successive Orbital Ordering Transitions inNaVO2
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Possible singlet-to-triplet pairing transition inNaxCoO2·yH2O
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Superconductivity in PrBa2Cu3O7−δ single crystals after high-temperature thermal treatment
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Growth and characterization of PrBa2Cu3O7-δ single crystals
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Digit ratio (2D:4D) does not correlate with daily 17β‐estradiol and progesterone concentrations in healthy women of reproductive age
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Antenatal Classes in the Context of Prenatal Anxiety and Depression during the COVID-19 Pandemic
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Magnetic Silica Nanotubes: Synthesis, Drug Release, and Feasibility for Magnetic Hyperthermia
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Comprehensive Evaluation of Statistical Speech Waveform Synthesis
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Spin-glass behavior in a binary Pr 3 Ir intermetallic compound
PublicationPolycrystalline Pr3Ir was synthesized by arc melting. Its cementite-type crystal structure (Pnma) was confirmed by powder X-ray diffraction and estimated lattice parameters are in agreement with literature. Physical properties were measured by means of the ac and dc magnetic susceptibility, electrical resistivity and heat capacity. Our results indicate spin-glass behavior in Pr3Ir with a freezing temperature Tf = 6.58 K and activation...
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Charge density wave and large nonsaturating magnetoresistance in YNiC2 and LuNiC2
PublicationWe report a study of physical properties of two quasi-low-dimensional metals YNiC2 and LuNiC2 including the investigation of transport, magnetotransport, galvanomagnetic, and specific heat properties. In YNiC2 we reveal two subsequent transitions associated with the formation of weakly coupled charge density wave at TCDW=318K and its locking in with the lattice at T1=275K. These characteristic temperatures follow the previously...
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Correlation between charge density waves and antiferromagnetism in Nd1−xGdxNiC2 solid solutions
PublicationWe report a study on the evolution of a charge density wave and antiferromagnetism in the series of the polycrystalline solid solution Nd1−xGdxNiC2 (0 _ x _ 1) by means of magnetic and transport properties measurements. The experimental results reveal the violation of the de Gennes law and a strong correlation between the Peierls, Néel, and Curie-Weiss temperatures, which strongly suggests a cooperative interaction between the...
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Influence of the improved reduction technique on superconductivity in Nd1.85Ce0.15Cu1+_yO4-z
PublicationW pracy opisano zmodyfikowany proces redukcji próbek ceramicznych NCCO oraz jego wpływ na właściwości nadprzewodzące związku. Uzyskano dobre właściwości nadprzewodzące dla próbek z 2% niedoborem Cu oraz bardzo dobre wyniki dla próbek z 2% nadmiarem Cu.
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Emotion work
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Organic Agriculture
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Trust in Food
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Editorial: Citizen Science and Social Innovation: Mutual Relations, Barriers, Needs, and Development Factors
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Social and Solidarity Economy
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Technology Transfer
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Editorial: Towards 2030: sustainable development goal 1: no poverty. A sociological perspective
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Wybrane aspekty syntezy materiałów nadprzewodnikowych w układzie Nd-Ce-Cu-O
Publicationw artykule dyskutowana jest termodynamiczna stabilność związku Nd(2-x)Ce(x)CuO(4-y)oraz wpływ procesu redukcji na właściwości nadprzewodzące w/w układu.
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Otrzymywanie makroskopowego kompozytu nadprzewodząco-ferromagnetycznego na bazie YBa2Cu3O7-x = Obtaining the macroscopic superconductive ferromagnetic composite based on YBa2Cu3O7-x
PublicationPublikacja przedstawia technologię otrzymywania kompozytów nadprzewodząco-ferromagnetycznych na bazie porowatego ceramicznego nadprzewodnika wysokotemperaturowego YBCO o porach otwartych.
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Enhanced Mobility and Large Linear Nonsaturating Magnetoresistance in the Magnetically Ordered States of TmNiC2
PublicationWe have studied the magnetic, magnetotransport, and galvanomagnetic properties of TmNiC2. We find that the antiferromagnetic and field induced metamagnetic and ferromagnetic orderings do not suppress the charge density wave. The persistence of Fermi surface pockets, open as a result of imperfect nesting accompanying the Peierls transition, results in an electronic carriers mobility of the order of 4 × 103 cm2 V−1 s−1 in ferromagnetic...
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Crystal structure and physical properties of NpRh,Sn, a new Np-based ternary compound
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First-order magnetic transition in single-crystallineCaFe2As2detected byA75snuclear magnetic resonance
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MicroscopicA75sNMR study of the effect of impurities on the first-order spin-density-wave transition inBaFe2As2
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Localized anharmonic rattling of Al atoms in VAl10.1
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Cations of amino acid alkyl esters conjugated with an anion from the group of NSAIDs – As tunable pharmaceutical active ionic liquids
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Authors’ response to Dr Finsterer's comment “Exclude differentials before diagnosing SARS-CoV-2-associated acute hemorrhagic necrotizing encephalitis” (THEIJID-D-22-00008)
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The case of fatal acute hemorrhagic necrotizing encephalitis in a two-month-old boy with Covid-19.
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From polystyrene waste to porous carbon flake and potential application in supercapacitor
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A facile preparation method and proof of cycle-stability of carbon-coated metal oxide and disulfide battery materials
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Magnetism and structure ofLixCoO2and comparison toNaxCoO2
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Ab initio Structure Determination of Mg10Ir19B16
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Przykład zastosowania i analiza metod sztucznej inteligencji w technice cieplnej i chłodniczej (cz. 2)
PublicationW artykule przedstawiono teorie działania oraz modele matematyczne i numeryczne sztucznych sieci neuronowych (SSN). Dokonano szczegółowegoomówienia rodzajów sieci, metod uczenia i obszarów możliwych zastosowań w technice cieplnej i chłodniczej, jako nowych alternatywnych metod uzyskania modelu numerycznego. Szczególną uwagę zwrócono na cechy SSN, które są unikalne i wyróżniające na tle innych metod. Zamieszczono przykład wykorzystania...