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Tytuł:
Vortex Pinning in Ferromagnet/Superconductor Bilayers - the Dependence on the Ferromagnetic Layer and Temperature
Autorzy:
Adamus, Z.
Cieplak, M. Z.
Abal'oshev, A.
Berkowski, M.
Kończykowski, M.
Cheng, X. M.
Shu, L. Y.
Chien, C. L.
Powiązania:
https://bibliotekanauki.pl/articles/2046703.pdf
Data publikacji:
2006-04
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
74.25.Ha
74.25.Qt
74.78.Db
74.78.Fk
Opis:
The behavior of vortex pinning induced by the magnetic domain reversal is studied in the ferromagnet/superconductor bilayers in which superconducting film is niobium and the ferromagnetic layers are the Co/Pt superlattices with perpendicular magnetic anisotropy. The local magnetic field across narrow ferromagnet/superconductor bilayer stripe is measured using a line of miniature Hall sensors. The pinning is studied for samples with different amount of repeats of Co/Pt superlattice, and as a function of temperature.
Źródło:
Acta Physica Polonica A; 2006, 109, 4-5; 451-456
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Vortex Dynamics in Ferromagnetic/Superconducting Bilayers
Autorzy:
Cieplak, M.
Adamus, Z.
Kończykowski, M.
Zhu, L.
Chien, C.
Powiązania:
https://bibliotekanauki.pl/articles/1812264.pdf
Data publikacji:
2008-07
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
74.25.Ha
74.25.Qt
74.78.Db
74.78.Fk
Opis:
The dependence of vortex dynamics on the geometry of magnetic domain pattern is studied in the superconducting/ferromagnetic bilayers, in which niobium is a superconductor, and Co/Pt multilayer with perpendicular magnetic anisotropy serves as a ferrromagnetic layer. Magnetic domain patterns with different density of domains per surface area and different domain size, w, are obtained for Co/Pt with different thickness of Pt. The dense patterns of domains with the size comparable to the magnetic penetration depth (w≥λ) produce large vortex pinning and smooth vortex penetration, while less dense patterns with larger domains (w ≫ λ) enhance pinning less effectively and result in flux jumps during flux motion.
Źródło:
Acta Physica Polonica A; 2008, 114, 1; 23-28
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Video materials as a means of promotion and advertising of the fields of study
Autorzy:
Malec, M.
Cieplak, T.
Jarmuł, Ł.
Powiązania:
https://bibliotekanauki.pl/articles/103150.pdf
Data publikacji:
2016
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
marketing
advertisement
film for promotion
candidate for studies
survey research
Opis:
In this paper there were presented some information about marketing and advertisement in the aspect of acquiring customers-candidate for studies with the help of the film as a tool of this kind of action. The paper also shows the results of the survey research and their analysis in the scope of expected features which will be characteristic, according to the respondents, for above-mentioned transfer tool.
Źródło:
Advances in Science and Technology. Research Journal; 2016, 10, 31; 274-280
2299-8624
Pojawia się w:
Advances in Science and Technology. Research Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Universal test stand for research of aeronautical multi - power path gear demonstrators
Autorzy:
Kozik, B.
Budzik, G.
Cieplak, M.
Powiązania:
https://bibliotekanauki.pl/articles/246565.pdf
Data publikacji:
2012
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
test stand
multi-power path gear
demonstrator
Opis:
Gears used for the tests may be made of metal or plastic [1, 2, 5]. The stand has been designed in an open system and it is powered by a three-phase electric motor. The control is provided by a single-phase inverter with three outputs, which provides full speed control. All components have been installed on a table equipped with T-slots in order to determine the optimal position of the drive and the tested gear. The load of the stand is realized by an electromagnetic powder brake. Load torque of the gear depends on the supplied current. During the test, you can change settings such as speed or load torque. Torque meters installed on input and output of the demonstrator let you control the work of the whole gear. Values supplied by the torque meters (torque and speed) are recorded on a computer in real time (according to PC RTC) and archived by specialized software. The software installed on your computer allows you to view results of the measurements. The possibility to control working time lets you precisely define the time intervals of various stages of the research. Using timer makes it possible to observe the current consumption of the transmission and helps to establish the research process. Thanks to data, recording you will know when the gear is damaged. Tests at this stand allow for obtaining stable working parameters, and thus for obtaining not distorted, accurate results of the demonstrator operation. Changing the gear is exceptionally simple because of the use of sliding splined connections of the couplings. Separating couplings between which the gear is situated and unlocking, the terminal allows exchanging it.
Źródło:
Journal of KONES; 2012, 19, 3; 233-238
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The view of the technical and computer science specialization in the survey of their students
Autorzy:
Malec, M
Cieplak, T
Huskowska, M
Powiązania:
https://bibliotekanauki.pl/articles/103400.pdf
Data publikacji:
2012
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
motives of study
sources of information about studies
compliance with faculty student's interests
Opis:
The article presents the results of the chosen research of Institute of Technology Students of Technical and Computer Science Specialization with use of questionnaire. For the research were chosen students from the last and the first year of study so that we can define the attitude to specialization and university of students who are finishing the study but also we can define expectations of people who had just begin their studies. Collected data were analyzed with the use of SPSS programme. Keywords: motives of study, sources of information about studies, compliance with the faculty student’s interests.
Źródło:
Advances in Science and Technology. Research Journal; 2012, 6, 16; 24-30
2299-8624
Pojawia się w:
Advances in Science and Technology. Research Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The influence of contour number on load carrying capacity of gears in aircraft gearbox demonstrator made by MEM
Autorzy:
Budzik, G.
Kozik, B
Łączek, A.
Cieplak, M
Powiązania:
https://bibliotekanauki.pl/articles/950153.pdf
Data publikacji:
2014
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
test stand
Rapid Prototyping (RP)
aircraft gearbox
gears
Opis:
The paper presents an outcome of load carrying tests of gears in an aircraft gearbox demonstrator made of ABS B601polymer by means of INSPIRE D290 device. These tests checked an influence of an additional number of contours in gear models on durability of cooperating wheel pair during stand tests. The CAD models of the gears for stand tests were made in Autodesk Inventor program and were used as a base for making physical models. Therefore, Inventor files were exported to STL format. The following stage of data preparation was made in Model Wizard. The gears for stand tests were made by means of MEM method on INSPIRE D290 printer. Unlike most devices, this printer makes it possible to control not only the density of the filling in a model, but also to increase the number of contours. ABS polymer was chosen to make the gears. The choice was due to its good properties and because it is commonly used and also because it was possible to make the parts of the gearing at the Rzeszow University of Technology. Subsequently the gear pair was fixed on a test stand. The stand was designed in an open system. It was powered by a three-phase 0.75 kW electric motor. The control was provided by a single-phase inverter. Load on the stand was provided by an electromagnetic powder brake. This paper is a part of implementation of the research task number 4 „Development of a new, simpler and cheaper toothed gear in place of complicated and expensive planetary gears” of the project „Modern material technologies in aerospace industry."
Źródło:
Journal of KONES; 2014, 21, 3; 29-34
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The analysis of hardware optimization methods for improving capabilities and performance of X-Ways forensics toolset
Analiza możliwości optymalizacji sprzętowej dla uzyskania poprawy wydajności pracy programu X-Ways forensics
Autorzy:
Cieplak, A.
Malec, M.
Cieplak, T.
Powiązania:
https://bibliotekanauki.pl/articles/395705.pdf
Data publikacji:
2012
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
computer forensics
test simulations
hardware configuration
informatyka śledcza
symulacja testowa
konfiguracja sprzętowa
Opis:
In this paper an attempt was made to identify optimal hardware configurationfor a workstation designated to computer forensics expert, using X-Ways Forensics software. To achieve this objective a body of research data on different hardware setups was collected as a result of their performance examination while conducting diverse tasks during test simulations. With the complete research data, it was possible to determine the most optimal hardware configurationfrom all the setups prepared for the test.
W pracy podjęto próbę ustalenia optymalnej konfiguacji sprzętowej dla stanowiska informatyka śledczego z wykorzystaniem aktualnego, specjalistycznego oprogramowania programu X-Ways Forensics. Aby zrealizować postawiony cel przeprowadzono badania różnych konfiguracji sprzętowych podczas wykonywania wcześniej określonych zadań - symulacji testowych. Po zakończeniu tego etapu prac dokonano analizy wyników badań i przeprowadzono wybór najbardziej optymalnej konfiguracji sprzętowej spośród przygotowanych do testów.
Źródło:
Postępy Nauki i Techniki; 2012, 13; 142-153
2080-4075
Pojawia się w:
Postępy Nauki i Techniki
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Tests of the Structure-Based Models of Proteins
Autorzy:
Cieplak, M.
Sułkowska, J.
Powiązania:
https://bibliotekanauki.pl/articles/1808305.pdf
Data publikacji:
2009-02
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
87.80.Nj
87.15.ap
87.14.E-
Opis:
The structure-based models of proteins are defined through the condition that their ground state coincides with the native structure of the proteins. There are many variants of such models and they yield different properties. Optimal variants can be selected by making comparisons to experimental data on single-molecule stretching. Here, we discuss the 15 best performing variants and focus on fine tuning the selection process by adjusting the velocity of stretching to match the experimental conditions. The very best variant is found to correspond to the 10-12 potential in the native contacts with the energies modulated by the Miyazawa-Jernigan statistical potential and variable length parameters. The second best model incorporates the Lennard-Jones potential with uniform amplitudes. We then make a detailed comparison of the two models in which theoretical surveys of stretching properties of 7510 proteins were made previously.
Źródło:
Acta Physica Polonica A; 2009, 115, 2; 441-445
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Superwystrzymałe białko śrubuje rekord
Autorzy:
Cieplak, M
Powiązania:
https://bibliotekanauki.pl/articles/273433.pdf
Data publikacji:
2013
Wydawca:
Roble
Tematy:
białka
stabilność mechaniczna
wytrzymałość na rozciąganie
protein
mechanical stability
tensile strength
Źródło:
LAB Laboratoria, Aparatura, Badania; 2013, 18, 3; 18-19
1427-5619
Pojawia się w:
LAB Laboratoria, Aparatura, Badania
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Superconducting Pinning by Magnetic Domains in a Ferromagnet-Superconductor Bilayer
Autorzy:
Cieplak, M. Z.
Adamus, Z.
Konczykowski, M.
Chen, X. M.
Byczuk, A.
Abal'oshev, A.
Sang, Hai.
Chien, C. L.
Powiązania:
https://bibliotekanauki.pl/articles/2041450.pdf
Data publikacji:
2004-11
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
74.25.Ha
74.25.Qt
74.78.Db
74.78.Fk
Opis:
The local flux profile and the critical current are studied using an array of Hall sensors in a ferromagnetic-superconducting bilayer which consists of niobium film covering ferromagnetic Co/Pt multilayer with perpendicular magnetic anisotropy. The results indicate about threefold enhancement of the flux pinning in niobium layer caused by the isolated magnetic domains which are created during the magnetization reversal of the Co/Pt multilayer. The geometrical barrier is absent, and the critical current is strongly peaked in close vicinity to the sample center, suggesting that the critical state differs from that predicted by the Bean model.
Źródło:
Acta Physica Polonica A; 2004, 106, 5; 693-698
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Strain Relaxation in Thin Films of La$\text{}_{1.85}$Sr$\text{}_{0.15}$CuO$\text{}_{4}$ Grown by Pulsed Laser Deposition
Autorzy:
Zaytseva, I.
Cieplak, M. Z.
Abal'oshev, A.
Berkowski, M.
Domukhovski, V.
Paszkowicz, W.
Shalimov, A.
Powiązania:
https://bibliotekanauki.pl/articles/2047252.pdf
Data publikacji:
2007-01
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
68.55.-a
74.62.-c
74.72.Dn
74.78.Bz
74.25.Fy
Opis:
X-ray diffraction, resistivity, and susceptibility measurements are used to examine the effects of film thickness d (from 17 to 250 nm) on the structural and superconducting properties of La$\text{}_{1.85}$Sr$\text{}_{0.15}$CuO$\text{}_{4}$ films grown by pulsed laser deposition on SrLaAlO$\text{}_{4}$ substrates. For each d the film sgrow with a variable strain, ranging from a large compressive strain in the thinnest films to a negligible or tensile strain in thick films. Our results indicate that the tensile strain is not caused by the off-stoichiometric layer at the substrate-film interface. Instead, it may be caused by the extreme oxygen deficiency in some of the films.
Źródło:
Acta Physica Polonica A; 2007, 111, 1; 185-188
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Phase Diagram and Activation Energy for Vortex Pinning in Nb/(Co,Pd) Superconductor-Ferromagnet Bilayer
Autorzy:
Syryanyy, Y.
Aleszkiewicz, M.
Cieplak, Marta
Zhu, L.
Chien, C.
Powiązania:
https://bibliotekanauki.pl/articles/1374109.pdf
Data publikacji:
2014-10
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
74.25.F-
74.25.N-
74.25.Wx
74.62.-c
74.70.-b
74.78.-w
74.78.Fk
75.70.Kw
75.70.-i
Opis:
Using the magnetoresistance measurements we study the phase transition line and the activation energy for vortex pinning in superconductor/ferromagnet bilayer, built of a ferromagnetic Co/Pd multilayer with perpendicular magnetic anisotropy, and a niobium film, with insulating layer in-between to eliminate proximity effect. The domain width is reversibly pre-defined using the angle-dependent demagnetization. We find that the enhancement of the activation energy for vortex pinning by magnetic domains is rather modest, by a factor of about 2.1. We attribute this to large domain width, and large dispersion of the domain width in this bilayer.
Źródło:
Acta Physica Polonica A; 2014, 126, 4a; A-123-A-126
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Optimization of the Superconducting Properties of Laser Ablated $YBa_2Cu_3O_{7-δ}$ Films on $CeO_2$-Buffered Sapphire
Autorzy:
Abal'osheva, I.
Zaytseva, I.
Aleszkiewicz, M.
Syryanyy, Y.
Gierłowski, P.
Abal'oshev, O.
Bezusyy, V.
Cieplak, M.
Powiązania:
https://bibliotekanauki.pl/articles/1431267.pdf
Data publikacji:
2012-04
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
74.78.-w
77.55.Px
81.15.Fg
Opis:
We use pulsed laser deposition to grow $YBa_2Cu_3O_{7-δ}$ (YBCO) superconducting films for microwave applications. The films are grown on R-cut sapphire substrates, with $CeO_2$ buffer layers, which are re-crystallized at high temperature prior to YBCO growth. Using the atomic force microscopy (AFM) and X-ray diffractometry we determine the optimal temperature for recrystallization (1000°C) and the optimal buffer layer thickness (30 nm). The properties of YBCO films of various thickness, grown on the optimized $CeO_2$ buffer layers, are studied using several methods, including AFM, magnetooptical imaging, and transport experiments. The YBCO film roughness is found to increase with the increasing film thickness, but the magnetic flux penetration in the superconducting state remains homogeneous. The superconducting parameters (the critical temperature and the critical current density) are somewhat lower than the similar parameters for YBCO films deposited on mono-crystalline substrates.
Źródło:
Acta Physica Polonica A; 2012, 121, 4; 805-807
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
On-the-fly community-driven mobile accelerometer data analysis system for road quality assessment
Autorzy:
Badurowicz, M.
Cieplak, T.
Montusiewicz, J.
Powiązania:
https://bibliotekanauki.pl/articles/117790.pdf
Data publikacji:
2016
Wydawca:
Polskie Towarzystwo Promocji Wiedzy
Tematy:
potholes
accelerometer
roads quality
cloud computing
Opis:
In this paper the authors are discussing a community-driven system for reporting via smartphones road acceleration data, processed on-the-fly in the cloud computing system for finding possible road artefacts as well as assessing overall road quality on the driver-friendly RRUI scale. The proposed system uses smartphones mounted in a car with little to no calibration or initial setup. By performing a fast analysis in the cloud, data are made immediately available for other users. The system continuously sends to end users' devices data about road quality issues "in exchange" for acceleration information.
Źródło:
Applied Computer Science; 2016, 12, 4; 18-27
1895-3735
Pojawia się w:
Applied Computer Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Non-destructive tests of lock tongues used in ATR-72 aircraft landing gear based on magnetic method
Autorzy:
Malec, M.
Cieplak, T.
Walczuk, S
Powiązania:
https://bibliotekanauki.pl/articles/102217.pdf
Data publikacji:
2013
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
NDT research
magnetic-fluorescent method
wear and tear
Opis:
The purpose of this work is to highlight the opportunities of using and analyzing process progression of Non-destructive Testing in aeronautical industries and technologies. This paper concentrates on magnetic-fluorescent method, which is used to showcase the practical test of lock tongue installed in ATR-72 aircraft landing gear.
Źródło:
Advances in Science and Technology. Research Journal; 2013, 7, 20; 23-28
2299-8624
Pojawia się w:
Advances in Science and Technology. Research Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 29

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