Informacja

Drogi użytkowniku, aplikacja do prawidłowego działania wymaga obsługi JavaScript. Proszę włącz obsługę JavaScript w Twojej przeglądarce.

English (EN)·Polski (PL)·Yкраїнський (UK)
Przejdź do strony domowej biblioteki Centralna Biblioteka Wojskowa Link otwiera się w nowym oknie Logo biblioteki Prolib Integro - strona głównaCentralna Biblioteka Wojskowa

Wyszukujesz frazę "Jezierski, M." wg kryterium: Autor

  Lista filtrów
Wyrównaj
Wyświetlanie 1-15 z 30
Tytuł:
Effect of Chemical Disorder on Geometrically Frustrated Kagome Lattice
Autorzy:
Szymczak, H.
Szymczak, R.
Baran, M.
Fink-Finowicki, J.
Krzymanska, B.
Aleshkevych, P.
Jezierski, A.
Powiązania:
https://bibliotekanauki.pl/articles/1812268.pdf
Data publikacji:
2008-07
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
75.25.+z
75.30.Gw
75.30.Kz
75.50.-
Opis:
This paper reviews recent progress in the studies of magnetic dilutions on magnetic properties of two frustrated systems: magnetoplumbite-like $SrGa_{12-x}Cr_xO_{19}$ and kagome staircase $Co_3V_2O_8$ doped with Mg ions. In the first group of compounds magnetic properties are determined by magnetic defects arising due to doping. In the case of kagome staircase compounds magnetic dilution suppresses effects of crystal field acting on magnetic ions. In particular, the dilution decreases magnetocrystalline anisotropy and anisotropy of magnetization.
Źródło:
Acta Physica Polonica A; 2008, 114, 1; 35-42
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of Hydrogenation on the Electronic Structure of HoNiSn - Ab Initio Calculations
Autorzy:
Jezierski, A.
Szajek, A.
Jurczyk, M.
Powiązania:
https://bibliotekanauki.pl/articles/1537053.pdf
Data publikacji:
2010-08
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
71.20.-b
71.15.Ap
71.15.Mb
71.20.Eh
71.20.Lp
Opis:
The electronic and magnetic properties of HoNiSn alloy are studied by ab initio full relativistic full potential local orbital method within the local density approximation. The electronic structures are reported for two crystallographic structures: orthorhombic TiNiSi type and the hexagonal ZrNiAl-type structure. We also study the influence of hydrogenation on the electronic structure of $HoNiSnH_{0.66}$. Ab initio calculations have shown that in the both type of structures the Fermi level is located at the 4f peak of Ho, however we observed the modification of 3d peaks from nickel atoms below the Fermi energy. The hydrogenation leads to increase of the density of states at the Fermi level.
Źródło:
Acta Physica Polonica A; 2010, 118, 2; 346-349
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Electronic Structure and Magnetic Properties of $Ni_2MnGa_{1-x}Ge_{x}$ and Disordered $Ni_{2}MnSn$ Heusler Alloys
Autorzy:
Pugaczowa-Michalska, M.
Jezierski, A.
Dubowik, J.
Kaczkowski, J.
Powiązania:
https://bibliotekanauki.pl/articles/1810489.pdf
Data publikacji:
2009-01
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
71.15.Mb
71.20.Be
71.20.-b
Opis:
In this work we present the influence of atomic disorder on the electronic and magnetic properties of $Ni_{2}MnGa_{1-x}Ge_{x}$ and $Ni_{2}MnSn$ Heusler alloys. Ab initio band calculations were performed for the experimental lattice parameters. We applied SPR-KKR-CPA methods in the local spin density approximation.
Źródło:
Acta Physica Polonica A; 2009, 115, 1; 241-243
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Electronic Structure and Magnetic Properties of Intermetallic Alloys
Autorzy:
Jezierski, A.
Pugacheva, M.
Morkowski, J. A.
Szajek, A.
Powiązania:
https://bibliotekanauki.pl/articles/1953169.pdf
Data publikacji:
1997-01
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
71.20.-b
75.10.Lp
Opis:
We present the influence of local ordering on the electronic and magnetic properties of Heusler-type alloys. The band structure and magnetic moments are calculated by ab initio spin-polarized tight binding linear muffin-tin orbital method. The calculated electronic density of states for Pd$\text{}_{2}$TiAl alloy is similar to ultraviolet photoelectron spectroscopy measurements. The self-consistent band calculations showed that the density of states at the Fermi level in Ni$\text{}_{2}$(Nb$\text{}_{(1-x)}$Ti$\text{}_{x}$)Sn and Ni$\text{}_{2}$(Nb$\text{}_{(1-x)}$Ta$\text{}_{x}$)Sn alloys decreased with the increase in Ti or Ta concentration. The total and local magnetic moments in ordered Rh$\text{}_{2}$TMSn (TM = Mn, Fe, Co, Ni, Cu) and Rh$\text{}_{2}$MnX (X = Al, Ga, In, Ge, Sb, Pb) Heusler-type alloys are calculated. The difference between theoretical and experimental results can be connected to the partial disorder in the samples.
Źródło:
Acta Physica Polonica A; 1997, 91, 1; 151-159
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Electronic Structure of $Mg_2Ni_{1-x}Cu_{x}$
Autorzy:
Jezierski, A.
Jurczyk, M.
Szajek, A.
Powiązania:
https://bibliotekanauki.pl/articles/1810475.pdf
Data publikacji:
2009-01
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
71.15.Mb
71.20.Be
Opis:
Nanocrystalline $Mg_{2}Ni$ doped alloys are good materials for hydrogen storage. In this work we present the influence of the chemical disorder on the electronic structure of $Mg_{2}Ni_{1-x}Cu_{x}$ alloys for 0 < x < 0.2. The electronic structure was calculated by ab initio full potential scalar relativistic local-orbital method in the coherent potential approximation. We observe the change of the density of states near the Fermi energy.
Źródło:
Acta Physica Polonica A; 2009, 115, 1; 223-225
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Electronic Structure of BiFeO₃ in Different Crystal Phases
Autorzy:
Kaczkowski, J.
Pugaczowa-Michalska, M.
Jezierski, A.
Powiązania:
https://bibliotekanauki.pl/articles/1385201.pdf
Data publikacji:
2015-02
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
71.15.Mb
77.84.-s
75.85.+t
75.47.Lx
Opis:
The electronic structure of different phases of BiFeO₃ were calculated by using density functional theory. The DFT+U and semilocal Tran-Blaha modified Becke-Johnson potential were used. DFT+U results are in good agreement with previous calculations. Our results have shown that in case of R3c, Pnma, Pn2₁a BiFeO₃ has G-antiferromagnetic ordering and C-antiferromagnetic in case of Cm space group. In all calculated structures BiFeO₃ is a semiconductor with the band gap: 2.26 eV (2.27 eV) for R3c, 1.91 eV (1.66 eV) for Pnma, 1.99 eV (2.18 eV) for Pn2₁a and 2.09 eV (2.55 eV) for Cm within DFT+U (Tran-Blaha modified Becke-Johnson).
Źródło:
Acta Physica Polonica A; 2015, 127, 2; 266-268
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Electronic Structure of Ternary Antimonides YbPdSb
Autorzy:
Hermanowicz, M.
Jezierski, A.
Kaczkowski, J.
Kaczorowski, D.
Powiązania:
https://bibliotekanauki.pl/articles/1810476.pdf
Data publikacji:
2009-01
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
71.20.-b
71.15.Ap
71.15.Mb
71.20.Eh
71.20.Lp
Opis:
In this paper we present the electronic structure and magnetic properties of YbPdSb in low-temperature MgAsAg-type structure and high-temperature TiNiSi-type structure. The calculations were performed by ab initio full-relativistic full potential local orbital method within the local spin density approximation. Ab initio calculations showed the metallic character of YbPdSb compound in both structures. The density of states at the Fermi level is greater in high-temperature than in low-temperature structure.
Źródło:
Acta Physica Polonica A; 2009, 115, 1; 226-228
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Erozja wąwozowa w zachodniej części Płaskowyżu Nałęczowskiego
Gully erosion in the western part of the Nałęczów Plateau (Lublin Upland).
Autorzy:
Gardziel, Z.
Harasimiuk, M.
Jezierski, W.
Pawłowski, A.
Zgłobicki, W.
Powiązania:
https://bibliotekanauki.pl/articles/2074492.pdf
Data publikacji:
2006
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
erozja wąwozowa
Płaskowyż Nałęczowski
gully erosion
loess areas
Nałęczów Plateau
Opis:
The areaswith thick loess covers face the risk of intense soil erosion processes as well as gully erosion. The western part of the Nałęczów Plateau is especially prone to particularly high degree of intensive erosion among the region (denudation hazard. The density of the gully network reaches here up to 10 km/km2. The administrative area of Kazimierz Dolny is under extreme threat of severe consequences of erosion processes which appeared with high frequency and caused significant devastation of infrastructure not only on a national but maybe on a European scale as well. Geological conditions together with surface features favour intensive, secondary and anthropogenically conditioned erosion processes. Already in the historical sources there are mentions about the disastrous consequences of torrential rainfalls in the Kazimierz Dolny region. In such conditions the torrential rainfall waters flow quickly down the gully bottoms of considerable inclinations, concentrating on the bottom of Grodarz river valley. As a result it may lead to flooding or silting of crops, the roads may be destroyed or silted and the properties completely flooded. Taking into account the natural and cultural values of Kazimierz Dolny and its surroundings, as well as the presence of the Kazimierz Landscape Park it is necessary to take urgent steps in order to limit the threats considerably.
Źródło:
Przegląd Geologiczny; 2006, 54, 9; 768-776
0033-2151
Pojawia się w:
Przegląd Geologiczny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Geological conditions of the distribution of closed depressions in the Nałęczów Plateau (Lublin Upland, E Poland): are they an origin determinant?
Autorzy:
Kołodyńska-Gawrysiak, R.
Harasimiuk, M.
Chabudziński, Ł.
Jezierski, W.
Telecka, M.
Powiązania:
https://bibliotekanauki.pl/articles/295150.pdf
Data publikacji:
2015
Wydawca:
Stowarzyszenie Geomorfologów Polskich
Tematy:
closed depressions
loess
glacial tills
Opis:
Closed depressions (CDs) are landforms typical for loess areas. 1761 CDs have been inventoried within the Nałęczów Plateau. Large concentrations of CDs: 30–40 forms per km2 occur in areas where thick (more than 10 m) complex of glacigenic sediments (mainly glacial tills) or clay (limniglacial) deposits underlying loess cover. Areas with a low concentration of CDs (fewer than 10 forms per km2) correspond to areas where the loess cover lies on a bedrock (opokas) or on thin sandy-gravelly deposits. The distributions of CDs depends on the conditions of Pleistocene permafrost development and melting, linked with lithological properties of the sediments under loess cover.
Źródło:
Landform Analysis; 2015, 29; 9-18
1429-799X
Pojawia się w:
Landform Analysis
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Heat Treatment of the SiMo Iron Castings - Case Study in the Automotive Foundry
Autorzy:
Cygan, B.
Stawarz, M.
Jezierski, J.
Powiązania:
https://bibliotekanauki.pl/articles/379738.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
heat treatment
solidification process
SiMo cast iron
exhaust manifold
automotive parts
obróbka termiczna
proces krzepnięcia
żeliwo SiMo
kolektor wydechowy
części samochodowe
Opis:
Silicon – molybdenum cast iron commonly called SiMo due to its unique properties has becoming more and more interesting engineering material. The history and development of this alloy is relatively long but, due to the significant difficulties during the manufacturing process resulting in the lower final quality than expected, it has not been applied to often in practice. The biggest challenge is its brittleness as a result of the carbides precipitations. During last few years, thanks to the many important researches made and the general foundry technology development, the interest in SiMo iron has been rapidly growing, especially for the castings for heavy duty applications like corrosion, high temperature and wear abrasion resistant parts. In the article the heat treatment attempts to improve the microstructure of SiMo castings has been presented. The goal was to destroy or at least to refine and uniformly distribute the carbides precipitations to improve mechanical properties of the exhaust manifold castings for the cars. The experiments were carried out for the alloy contains approx. 4% Si, 1% Mo and 3.2%C. The range of the research included: hardness measuring, standard mechanical properties and microstructure for as-cast state and after that the subsequent heat treatment process with another properties check. The result of the heat treatment was the elimination of pearlite from the metal matrix. Moreover, the changes of the carbide molybdenum – rich phase morphology were observed. The dispersion of the carbides precipitations in the carbides area was observed. The experiments proved the possibility to control the microstructure and the mechanical properties of the SiMo castings by means of heat treatment but only to some extent.
Źródło:
Archives of Foundry Engineering; 2018, 18, 4; 103-109
1897-3310
2299-2944
Pojawia się w:
Archives of Foundry Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Influence of Type and Shape of the Chill on Solidification Process of Steel Casting
Autorzy:
Jaromin, M.
Dojka, R.
Jezierski, J. R.
Dojka, M.
Powiązania:
https://bibliotekanauki.pl/articles/380243.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
solidification process
crystallization process
computer simulation
steel casting
chill
proces krzepnięcia
proces krystalizacji
symulacja komputerowa
odlewy stalowe
chłód
Opis:
The article is a case study of the steel milling ring casting of about 6 tonnes net weight. The casting has been cast in the steel foundry the authors have been cooperating with. The aim was to analyse the influence of the shape of the chills and the material which was used to make them on the casting crystallization process. To optimally design the chills the set of the computer simulation has been carried out with 3 chills’ shape versions and 3 material’s versions and the results have been compared with the technology being in use (no chills). The proposed chills were of different thermal conductivity from low to high. Their shapes were obviously dependant on the adjacent casting surface geometry but were the result of the attempt to optimise their effect with the minimum weight, too. The chills working efficiency was analysed jointly with the previously designed top feeders system. The following parameters have been chosen to compare their effectiveness and the crystallization process: time to complete solidification and so-called fed volume describing the casting feeding efficiency. The computer simulations have been carried out with use of MagmaSoft v. 5.2 software. Finally, the optimisation has led to 15% better steel yield thanks to 60% top feeders weight reduction and 40% shorter solidification time. The steel ring cast with use of such technology fulfil all quality criteria.
Źródło:
Archives of Foundry Engineering; 2019, 1; 35-40
1897-3310
2299-2944
Pojawia się w:
Archives of Foundry Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Interface and Surface Subsignals in Photoreflectance Spectra for GaAs/SI-GaAs Structures
Autorzy:
Jezierski, K.
Sitarek, P.
Misiewicz, J.
Panek, M.
Ściana, B.
Korbutowicz, R.
Tłaczała, M.
Powiązania:
https://bibliotekanauki.pl/articles/1933782.pdf
Data publikacji:
1995-10
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
68.55.-a
71.35.+z
Opis:
Photoreflectance spectra were measured at room temperature for energies in the vicinity of the E$\text{}_{0}$ critical point for p-type as well as n-type doped GaAs/SI-GaAs structures. Depending on the doping concentration the existence of two photoreflectance subsignals was observed; the first one arises from the surface space charge region while the second one from the interface region. The decomposition of photoreflectance spectrum into surface and interface subsignals was based on the photoreflectance measurements carried out for different wavelengths of the laser pump beam.
Źródło:
Acta Physica Polonica A; 1995, 88, 4; 751-754
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Is it possible to detect lung cancer by trained dogs?
Autorzy:
Rudnicka, J.
Walczak, M.
Jezierski, T.
Buszewski, B.
Powiązania:
https://bibliotekanauki.pl/articles/2052420.pdf
Data publikacji:
2015
Wydawca:
Akademia Bialska Nauk Stosowanych im. Jana Pawła II w Białej Podlaskiej
Tematy:
breath samples
volatile organic compounds
solid phase microextraction
gas chromatography-mass spectometry
canine olfactory
Opis:
During the illness are released volatile organic compounds with specific smell which could have in diagnosis of diseases. The first aim of the study was qualitative and quantitative analysis of exhaled breath samples obtained from patients with lung cancer, healthy volunteers and people with other lung diseases by gas chromatography-mass spectrometry. This study showed that twenty compounds propane, ethanol, isobutane, butane, propanal, 1-propanol, 2-propanol, 2-methylfuran, 2-butanone, benzene, 2-pentanone, pentanal, hexanal, cyclohexanone, 4-heptanone, 2,4-dimethylheptane, 2,3,4-trimethylhexane, 2,3,5-trimethylhexane, 4-methyloctane, α-pinene separated two research groups of patients and healthy controls. The second goal was to evaluate the sensitivity and specificity of canine scent detection using 5 station scent lineup. Among lung cancer patients and complementary samples, overall sensitivity of canine scent detection was 85.54%, while specificity was 71.84%.
Źródło:
Health Problems of Civilization; 2015, 09, 2; 19-26
2353-6942
2354-0265
Pojawia się w:
Health Problems of Civilization
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Magnetism in FeRh Alloys
Autorzy:
Pugacheva, M.
Jezierski, A.
Powiązania:
https://bibliotekanauki.pl/articles/1861254.pdf
Data publikacji:
1994-01
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
71.25.Pi
75.10.Lp
Opis:
We study the electronic and magnetic properties of FeRh ordered alloys. The electronic structure is calculated by the tight-binding linear muffin-tin orbital method. We observe the decreasing magnetic moment with increase of the ratio c/a during the structural phase transformation from CsCl to CuAu type structure.
Źródło:
Acta Physica Polonica A; 1994, 85, 1; 219-221
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 30

Ta witryna wykorzystuje pliki cookies do przechowywania informacji na Twoim komputerze. Pliki cookies stosujemy w celu świadczenia usług na najwyższym poziomie, w tym w sposób dostosowany do indywidualnych potrzeb. Korzystanie z witryny bez zmiany ustawień dotyczących cookies oznacza, że będą one zamieszczane w Twoim komputerze. W każdym momencie możesz dokonać zmiany ustawień dotyczących cookies