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Wyświetlanie 1-15 z 67
Tytuł:
Functional busi-ness valuation – The theoretical foundation of argumentation value and its underlying function
Autorzy:
Matschke, Manfred Jürgen
Brösel, Gerrit
Thielmann, Patrick
Powiązania:
https://bibliotekanauki.pl/articles/1396861.pdf
Data publikacji:
2020
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
G30
G32
G40
Opis:
Functional business valuation is the prevailing doctrine in the theoretically well-founded German-language literature, because the value of a company is primarily dependent on the purpose (function) of the valuation. This paper deals with one of the three main functions of business valuation: the argumentation function. This is where the argumentation value of the business is determined. The argumentation function is the function that has been the least theoretically developed and accepted to date, but is probably the most commonly used one in the real world. This article shows for the first time in the English-language literature the core ideas of the theoretical foundation of this function.
Źródło:
Managerial Economics; 2020, 21, 2; 157-175
1898-1143
Pojawia się w:
Managerial Economics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Japonia – nadzór korporacyjny i finanse publiczne
Japan – Corporate Governance and Public Finance
Autorzy:
Michalski, Kamil
Powiązania:
https://bibliotekanauki.pl/articles/945507.pdf
Data publikacji:
2012
Wydawca:
Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
Tematy:
nadzór korporacyjny
sektor finansów publicznych
gospodarka Japonii
JEL: G20
JEL: G28
JEL: G30
JEL: G38
Opis:
Japan ‒ the third economic power in the world – has been for over a decade, in a state of a prolonged stagnation spreading over the domains of its economy including the banking system. Japan’s participation in the II World War resulted in a humiliating defeat.. Japanese cities were completely demolished. Japanese industry and infrastructure were also totally destroyed. Yet, within the next two generations, Japan managed to succeed in economic achievements that were commonly known as “an economic miracle”. The completely ruined country, deprived of any natural resources, has become the world’s economic power, and the leader in many economic domains. The reason for is that Japanese people are characterized by strict obedience towards authorities, diligence, patience and a proper assessment of the post war political situation all over the world made by the Japanese government. Measured and systematic investments of the 60’s and 70’s of the 20th century, were carried out in traditional industries e.g.: metallurgy, textile industry, ship-building industry as well as more modern ones such as automobile and electronics industries. Good quality and reasonable prices of products soon gained popularity among external markets. During a rapid development of 1954-1971, Japan adopted an anti-import policy and closed its market for foreign goods. This policy as well as the well-thought-out strategy of development resulted in a dynamic economic development of the country. Therefore, Japan became an important Americanally in the geopolitical configuration of powers.
Źródło:
Gospodarka w Praktyce i Teorii; 2012, 1(30)
1429-3730
2450-095X
Pojawia się w:
Gospodarka w Praktyce i Teorii
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
On Darboux-Bäcklund Transformation and Positon Type Solution of Coupled Nonlinear Optical Waves
Autorzy:
Sen, D. C.
Chowdhury, A. R.
Powiązania:
https://bibliotekanauki.pl/articles/2014041.pdf
Data publikacji:
2000-07
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
02.30.+g
52.35.Mw
52.35.Sb
Opis:
A Darboux-Bäcklund transformation is used to obtain a positon type solution of the nonlinear equations describing the propagation of coupled nonlinear optical pulses.This form of the positon solution is then compared with that obtained by the special limiting procedure applied to a two-soliton solution. It is observed that though the algebraic form of the two solutions is different yet both of these have singularities and the position of the singularities remains on the similar curve in the (x,t) plane. We also depict the form of these solutions graphically. Finally, it may be added that the method of Darboux-Bäcklund transformation is convenient for generating more than one-positon solution.
Źródło:
Acta Physica Polonica A; 2000, 98, 1-2; 3-10
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Calculation of the Unstable Mixing Region in $Zn_{1-x}Cd_xO$ Ternary Alloys
Autorzy:
Shtepliuk, I.
Powiązania:
https://bibliotekanauki.pl/articles/1399136.pdf
Data publikacji:
2013-11
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
64.75.-g
81.30.-t
81.30.Bx
Opis:
The $Zn_{1-x}Cd_xO$ ternary alloys with a narrow band gap, which are useful for light emitters in the visible wavelengths, are studied with respect to the unsteady region in mixing. This unstable region in mixing is calculated from the free energy of mixing using the strictly regular solution model. The interaction parameter used in this calculation is obtained by means of the valence-force-field model. An influence of the strain energy induced by substrate on the region of the spinodal decomposition for the $Zn_{1-x}Cd_xO$ system is studied and discussed.
Źródło:
Acta Physica Polonica A; 2013, 124, 5; 865-868
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Adaptive Modulation Amplitude in 2D Spectral-Spatial EPR Imaging
Autorzy:
Czechowski, T.
Samolej, A.
Baranowski, M.
Boś-Liedke, A.
Chlewicki, W.
Jurga, J.
Tadyszak, K.
Powiązania:
https://bibliotekanauki.pl/articles/1030422.pdf
Data publikacji:
2018-03
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
76.30.-v
42.30.Wb
75.20.-g
42.30.Va
Opis:
A study concerning the image quality in Electron Paramagnetic Resonance Imaging (EPRI) in 2D spectral-spatial (2D SSI) experiments is presented. The aim of the measurements is to improve the signal to noise ratio (SNR) of the projections by applying a more consciously selected modulation amplitude parameter. Data is gathered by applying three constant and one adaptive modulation amplitude. The three fixed modulation amplitudes values are leading to undermodulated (0.01 G), partially overmodulated (0.15 G) and fully overmodulated (0.65 G) projections. The study demonstrates the advantages of the adaptive method, which involves selecting different and dependent on cosine function modulation amplitudes for each projection. The study is performed on a phantom containing four tubes of LiPc and TCNQ, characterized by a different peak to peak linewidth and spin concentration.
Źródło:
Acta Physica Polonica A; 2018, 133, 3; 710-712
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Geometrically Frustrated Kagome Lattice with Chemical Disorder
Autorzy:
Szymczak, R.
Baran, M.
Fink-Finowicki, J.
Krzymanska, B.
Aleshkevych, P.
Szymczak, H.
Powiązania:
https://bibliotekanauki.pl/articles/1813765.pdf
Data publikacji:
2008-01
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
75.30.Cr
75.20.-g
Opis:
The effect of nonmagnetic $Mg^{2+}$ and magnetic $Co^{2+}$ doping in Kagome compounds was investigated using DC magnetic susceptibility. The main effect of doping is to change the crystal field parameters. It was shown that $Co^{2+}$ doping increases considerably crystal field parameters in $Ni_3V_2O_8$ while doping with nonmagnetic $Mg^{2+}$ ions decreases considerably crystal field parameters in $Co_3V_2O_8$ crystals.
Źródło:
Acta Physica Polonica A; 2008, 113, 1; 413-416
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Dependence of Exchange Bias Field on Thickness of Antiferromagnetic Layer in NiFe/IrMn Structures
Autorzy:
Dzhun, I.
Chechenin, N.
Chichay, K.
Rodionova, V.
Powiązania:
https://bibliotekanauki.pl/articles/1387039.pdf
Data publikacji:
2015-02
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
75.30.Gw
77.55.-g
Opis:
Magnetic properties of ferromagnetic/antiferromagnetic thin-films structures for spin-valve applications have been studied. Multilayer structures of Ta/Co/IrMn/Ta and Ta/FeNi/IrMn/Ta were deposited on Si substrate at room temperature by DC magnetron sputtering. Thickness of the antiferromagnetic layer changed from 10 to 50 nm. The coercive force was found to be non-monotonic function of the antiferromagnetic layer thickness. The exchange bias for 30-50 nm antiferromagnetic layers (73 Oe) is about 10 Oe larger than for 10-20 nm antiferromagnetic layers. Moreover, it was demonstrated that the alternative sequence of the deposition (antiferromagnetic layer on the top or below the ferromagnetic layer) leads to dramatic changes of structures magnetic properties.
Źródło:
Acta Physica Polonica A; 2015, 127, 2; 555-557
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Transport and Magnetic Studies of New Mixed-Valence Compounds: K$\text{}_{3}$Cu$\text{}_{8}$Se$\text{}_{6}$, KCu$\text{}_{3}$Se$\text{}_{2}$, K$\text{}_{3}$Cu$\text{}_{8}$Te$\text{}_{6}$ and BaCuS$\text{}_{3-x}$
Autorzy:
Jacyna-Onyszkiewicz, I.
Sidowski, M.
Starodub, W.
Ratuszna, A.
Robaszkiewicz, S.
Powiązania:
https://bibliotekanauki.pl/articles/1955832.pdf
Data publikacji:
1997-02
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
75.20.-g
71.30.+h
Opis:
New mixed-valent copper chalcogenides BaCuS$\text{}_{3-x}$ and K$\text{}_{3}$Cu$\text{}_{8}$X$\text{}_{6}$ with X=Se or Te and KCu$\text{}_{3}$Se$\text{}_{2}$, with chemical patterns corresponding to the recently investigated K$\text{}_{3}$Cu$\text{}_{8}$S$\text{}_{6}$ and KCu$\text{}_{3}$S$\text{}_{2}$, were synthesized. For these new samples the results of resistivity and magnetic susceptibility measurements are presented. For BaCuS$\text{}_{3-x}$, K$\text{}_{3}$Cu$\text{}_{8}$Se$\text{}_{6}$ and KCu$\text{}_{3}$Se$\text{}_{2}$ the metal-insulator transition is observed with the low temperature phase being metallic, which is untypical, whereas K$\text{}_{3}$Cu$\text{}_{8}$Te$\text{}_{6}$ is a metal in the investigated temperature range. The temperature dependence of magnetic susceptibility of the studied samples testifies to their diamagnetic or weakly paramagnetic behaviour.
Źródło:
Acta Physica Polonica A; 1997, 91, 2; 405-408
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Low-Temperature Structural Phase Transition in Monoclinic RbDy(WO$\text{}_{4}$)$\text{}_{2}$ Crystal
Autorzy:
Borowiec, M. T.
Dyakonov, V.
Kamenev, V.
Nabiałek, A.
Prokhorov, A.
Szymczak, H.
Załęski, M.
Powiązania:
https://bibliotekanauki.pl/articles/1968975.pdf
Data publikacji:
1998-07
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
76.30.-v
75.20.-g
Opis:
The ESR spectrum of Dy$\text{}^{3+}$ ion in the low-symmetry RbDy(WO$\text{}_{4}$)$\text{}_{2}$ crystal has been studied in the temperature region of T=4.2 ÷ 30K. The ESR linewidth was found to increase from 130 mT up to the maximum value of 190 mT at T=9K and then to decrease down to 150 mT at 4.2K. The components of the g-tensor change considerably without change of their spatial orientation in the temperature range from 12K to 7 K: g$\text{}_{z}$=2.5, g$\text{}_{x}$≈0, g$\text{}_{y}$=1.41 at T>12 K; g$\text{}_{z}$=1.53, g$\text{}_{x}$≈0, g$\text{}_{y}$=1.2 at T<7K. The observed λ-shaped behaviour of absorption linewidth and the decrease in the g-factor are assumed to be due to the low-temperature structural phase transition (T$\text{}_{SPT}$≈9 K). The width of the transition area is of about 5K. It is suggested that the symmetry of high- and low-temperature phases is identical.
Źródło:
Acta Physica Polonica A; 1998, 94, 1; 71-77
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
EMR Study of Electronic and Magnetic Ordering in Doped CaMn$\text{}_{1-x,y}$M$\text{}_{x,y}$O$\text{}_{3}$ (M = Ru, Mo) Perovskites
Autorzy:
Shames, A. I.
Auslender, M.
Rozenberg, E.
Gorodetsky, G.
Martin, C.
Maignan, A.
Powiązania:
https://bibliotekanauki.pl/articles/2043550.pdf
Data publikacji:
2005-08
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
75.30.Kz
75.47.Lx
76.30.-v
76.50.+g
Opis:
X-band electron magnetic resonance measurements of polycrystalline CaMn$\text{}_{1-x,y}$M$\text{}_{x,y}$O$\text{}_{3}$ (M = Ru, 0≤x≤0.5; M = Mo, 0≤y≤0.14) samples were performed at 120 K≤ T≤540 K. The observed anomalies of electron magnetic resonance parameters correlate pretty well with the temperatures of antiferro-, ferromagnetic-like, and orbital/charge-ordering transitions in these systems and specify phase diagrams obtained by other techniques. However, a strong difference between resonant properties of Ru- and Mo-doped series is observed in both paramagnetic and magnetically ordered states. To describe such a difference, the energy bands diagrams, which comprise the deep impurity t$\text{}_{2g}$-like states + e$\text{}_{g}$-like conductive band for CaMn$\text{}_{1-x}$Ru$\text{}_{x}$O$\text{}_{3}$ and shallow impurity states + conductive band, both having e$\text{}_{g}$-like symmetry, for CaMn$\text{}_{1-y}$Mo$\text{}_{y}$O$\text{}_{3}$, are proposed. Specific electrons' contribution to the electron magnetic resonance line width explains concentration and temperature dependences of this parameter in the paramagnetic state in considered systems.
Źródło:
Acta Physica Polonica A; 2005, 108, 2; 235-242
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Aspects of Magnetism in Heavy-Electron Metals
Autorzy:
Ott, H. R.
Powiązania:
https://bibliotekanauki.pl/articles/1860764.pdf
Data publikacji:
1994-01
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
75.20.-g
75.20.Hr
75.30.-m
75.30.Mb
Opis:
For some time it was believed that heavy-mass electrons at low temperatures, in special rare-earth and actinide compounds, were due to a particular suppression of magnetic order in these materials. Various experiments reveal, however, that magnetic order may occur from a heavy-electron state and that also a heavy-electron state may develop in the presence of a magnetically-ordered matrix. Even in materials with no sign of a cooperative phase transition, microscopic experimental probes give evidence for strong magnetic correlations, involving only very tiny (< 10^{-1} μ_{B}) ordered moments, however. All these experimental observations indicate that the heavy-electron state cannot always be regarded as a simple Fermi liquid in the usual sense. Various interactions of similar strength need to be considered. It is suggested that the balance of these interactions may lead to electronic inhomogeneities in k space. Both in magnetically-ordered or superconducting systems, unexpected electronic degrees of freedom appear to exist. In other cases experimental observations suggest magnetic inhomogeneities in real space which are not simply due to chemical inhomogeneities. Different examples of these various possibilities are demonstrated and discussed.
Źródło:
Acta Physica Polonica A; 1994, 85, 1; 7-19
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Nuclear Data Evaluation for ²¹⁷Th
Autorzy:
Nafee, S.
Al-Ramady, A.
Shaheen, S.
Powiązania:
https://bibliotekanauki.pl/articles/1398746.pdf
Data publikacji:
2016-04
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
21.10.-k
23.20.-g
23.35.+g
29.30.-h
Opis:
Thorium-217 was produced by the reaction ¹⁷⁰Er (⁵⁰Ti, xn) ^{220-x}Th. The nuclei were studied by Evaporation Residues gamma-alpha-gamma coincidence measurements (ER-γ-α-γ). The evaluated decay data for the ²¹⁷Th nuclide resulted from the above interaction is presented in this report. Three delayed γ-transitions (309, 673 and 1269 keV) have been measured from the ER-γ(-γ)-α correlations and γ-γ coincidences. They were assigned to ²¹⁷Th, based on the level systematics of the N=127 isotones. The evaluated half-lives T_{1/2} for these levels were assigned to be 64-₂₂⁺⁶⁴, 69-₁₇⁺³² and 66-₁₅⁺²⁷ μs, respectively. In addition, an isomeric state (2252+x) keV is presented in the ²¹⁷Th decay scheme between the 2252 (21/2+) and 2362 (25/2+) keV. Q (α) has been updated based on the recent published work of the Atomic Mass Evaluation AME2012 as well. Moreover, the total conversion electrons as well as the K-Shell to L-Shell, L-Shell to M-Shell and L-Shell to N-Shell conversion electron ratios have been calculated using BrIcc code v2.3.
Źródło:
Acta Physica Polonica A; 2016, 129, 4; 669-672
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Magnetic and structural studies of GeMnSnTe epitaxial layers
Autorzy:
Grochot, A.
Knoff, W.
Taliashvili, B.
Wołkanowicz, W.
Minikayev, R.
Pieniążek, A.
Łusakowska, E.
Sawicki, M.
Jantsch, W.
Story, T.
Przybylińska, H.
Powiązania:
https://bibliotekanauki.pl/articles/1055147.pdf
Data publikacji:
2017-08
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
75.30.Gw
75.50.Pp
76.50.+g
Opis:
MBE grown Ge_{1-x-y}Mn_xSn_yTe layers with Mn content ranging from 10 to 30% and Sn content ranging from 2 to 5% have been characterized with X-ray diffraction, energy-dispersive X-Ray spectroscopy, atomic force microscopy, SQUID magnetometry, and ferromagnetic resonance. All layers (except the one with the highest Mn and Sn content) were found to be single phase rhombohedral, with the distortion axis perpendicular to the layer surface, and ferromagnetic. Ferromagnetic resonance studies have shown that co-doping with a few percent of tin makes the lattice more rigid and changes considerably the magnetocrystalline anisotropy, from purely uniaxial in GeMnTe to distorted cubic in Ge_{1-x-y}Mn_xSn_yTe at the same Mn content.
Źródło:
Acta Physica Polonica A; 2017, 132, 2; 340-342
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Paramagnetism of Cu_3RE_2W_4O_{18} Semiconductors (RE = Gd, Dy-Er)
Autorzy:
Groń, T.
Tomaszewicz, E.
Duda, H.
Mazur, S.
Powiązania:
https://bibliotekanauki.pl/articles/1399149.pdf
Data publikacji:
2013-11
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
75.50.Pp
75.20.-g
75.30.Cr
Opis:
$Cu_3RE_2W_4O_{18}$ tungstates (RE = Gd, Dy-Er) are paramagnets in the temperature range 4.2-300 K visible also in the absence of the energy losses in the curve of the imaginary part of magnetic susceptibility, χ". The negative values of the paramagnetic Curie-Weiss temperature, θ, may suggest the weak antiferromagnetic coupling below 4.2 K. The temperature independent component of magnetic susceptibility has a positive value indicating a domination of the Van Vleck contribution. Calculations of the effective number of the Bohr magnetons revealed that the orbital contribution to the magnetic moment comes mainly from the $RE^{3+}$ ions.
Źródło:
Acta Physica Polonica A; 2013, 124, 5; 885-887
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
FMR Study of Temperature Dependence of Magnetic Properties of Nanocrystalline $0.90(Fe_2O_3)$/0.10ZnO
Autorzy:
Guskos, N.
Glenis, S.
Zolnierkiewicz, G.
Typek, J.
Sibera, D.
Narkiewicz, U.
Powiązania:
https://bibliotekanauki.pl/articles/1492781.pdf
Data publikacji:
2011-12
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
75.50.Tt
76.30.Fc
76.50.+g
Opis:
The nanocrystalline mixed system $0.90(Fe_2O_3)$/-0.10ZnO has been prepared by coprecipitation and calcination processes. The phase composition of samples was determined by X-ray diffraction. The studied nanocrystalline sample is dominated by phase $Fe_2O_3$ but very small amounts of ZnO and $ZnFe_2O_4$ phases were also identified. The ferromagnetic resonance investigations of the obtained sample have been carried out in the temperature range from liquid helium to room temperature. The asymmetrical and very intense magnetic resonance line was recorded at all temperatures. A significant shift of spectra towards lower magnetic fields with decreasing temperature was observed. A very good fitting by two Lorentzian functions has been obtained which suggested the existence of a strong anisotropic magnetic interaction. Some similarities in behaviour of ferromagnetic resonance parameters of the present sample and the $0.95Fe_2O_3Fe2O3$/0.05ZnO sample were noticed but the parameters values were essentially different. The gradients Δ $H_{r}$/Δ T (where $H_{r}$ is the resonance field), the broadening processes of the resonance lines as well as the line amplitudes were changing more intensely changing with temperature in comparison to sample $0.95Fe_2O_3Fe2O3$/0.05ZnO. The following values Δ $H_{r}$/Δ T are obtained: 16.7(1) Gs/K and 20.7(1) Gs/K over the 60 K temperatures where below 40 K is 41.5(1) Gs/K and 56.0(1) Gs/K. The reorientation processes were more active at low temperatures for smaller concentrations of magnetic nanoparticles.
Źródło:
Acta Physica Polonica A; 2011, 120, 6; 1070-1073
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 67

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