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Wyszukujesz frazę "Meisel, A." wg kryterium: Autor


Wyświetlanie 1-8 z 8
Tytuł:
Garb Dziećkowic i Przełom Przemszy (Wyżyna Śląska) jako potencjalne obszary turystyki ekologicznej – uwarunkowania przyrodnicze
The Dziećkowice Ridge and Przemsza Gap (Silesian Upland) as a potential areas of ecological tourism – natural conditions
Autorzy:
Parusel, T.
Karkosz, D.
Meisel, A.
Powiązania:
https://bibliotekanauki.pl/articles/86532.pdf
Data publikacji:
2010
Wydawca:
Polska Asocjacja Ekologii Krajobrazu
Tematy:
uwarunkowania przyrodnicze
ekoturystyka
Wyzyna Slaska
Źródło:
Problemy Ekologii Krajobrazu; 2010, 27
1899-3850
Pojawia się w:
Problemy Ekologii Krajobrazu
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
XPS Binding Energies of Deep Core Levels and the Auger Parameter - An Application to Solid Sulfur Compounds
Autorzy:
Chassé, T.
Peisert, H.
Streubel, P.
Szargan, R.
Meisel, A.
Powiązania:
https://bibliotekanauki.pl/articles/1929353.pdf
Data publikacji:
1993-06
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
79.60.-i
71.20.Fi
73.20.-r
Opis:
X-ray photoelectron spectroscopy/X-ray excited Auger electron spectroscopy investigations of solid sulfur compounds are reported. Deep S 1s core level binding energies were measured in addition to the common S 2p level and the KLL Auger spectra to derive the Auger parameters. Local and solid state effects on the binding energies were identified using both core levels within an initial state-final state framework. The results are discussed in comparison to recent data on phosphorus compounds. The information from the deep core level is emphasized.
Źródło:
Acta Physica Polonica A; 1993, 83, 6; 793-802
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Frustrated zig-zag spin chains formed by hydrogen bonds in [Cu(H₂O)(OH)(tmen)]₂[Pd(CN)₄]·2H₂O
Autorzy:
Čižmár, E.
Orendáčová, A.
Orendáč, M.
Kuchár, J.
Feher, A.
Park, J.
Meisel, M.
Powiązania:
https://bibliotekanauki.pl/articles/1054768.pdf
Data publikacji:
2017-04
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
75.30.Et
76.30.-v
75.40.-s
Opis:
The magnetic properties of the novel dimeric compound [Cu(H₂O)(OH)(tmen)]₂[Pd(CN)₄]·2H₂O (tmen=N,N,N',N'-tetramethylethylenediamine) with modulated crystal structure were studied in the temperature range from 95 mK to 300 K. Magnetic measurements revealed a presence of weak antiferromagnetic exchange coupling in the compound. The temperature dependence of specific heat is characterized by the presence of a Schottky-like maximum at 0.47 K and a λ-anomaly at 0.28 K, indicating the formation of long-range order in the system. The comparison of the experimental data with theoretical predictions revealed the presence of antiferromagnetic intradimer exchange coupling J/k_{B}= -1.2 K and interdimer coupling of a similar strength mediated via hydrogen bonds between dimeric units forming a frustrated magnetic zig-zag chain structure.
Źródło:
Acta Physica Polonica A; 2017, 131, 4; 940-942
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
$CuBr_2(C_{10}H_8N_2) - S = 1//2$ Two-Dimensional Rectangular Heisenberg Antiferromagnet
Autorzy:
Čižmár, E.
Kajňaková, M.
Orendáčová, A.
Orendáč, M.
Feher, A.
Anders, A.
Park, J.
Meisel, M.
Powiązania:
https://bibliotekanauki.pl/articles/1534990.pdf
Data publikacji:
2010-11
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
75.30.Et
75.50.Ee
76.30.-v
Opis:
Magnetic susceptibility and X-band electron spin resonance study of a two-dimensional Heisenberg antiferromagnetic system $CuBr_2$(bipy), where bipy = $C_{10}H_8N_2$ is 4,4'-bipyridyl, has been performed in the temperature range from 300 K down to 2 K. A rhombic anisotropy of the g-factor was obtained from X-band EPR measurements with $g_{x}$ = 2.037, $g_{y}$ = 2.100 and $g_{z}$ = 2.219. The temperature dependence of the magnetic susceptibility with a round maximum observed at 28 K suggests antiferromagnetic type of short-range order. No signature of the magnetic long-range order in studied compound was observed. The comparison of the magnetic susceptibility data with a two-dimensional rectangular Heisenberg model yields the values of intralayer exchange couplings J/$k_{B}$ = - 47 K and J'/$k_{B}$ = - 9.4 K.
Źródło:
Acta Physica Polonica A; 2010, 118, 5; 973-974
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Magnetic Field Induced Slow Magnetic Relaxation in KEr(MoO₄)₂
Autorzy:
Tkáč, V.
Orendáčová, A.
Tarasenko, R.
Pajerowski, D.
Čižmár, E.
Orendáč, M.
Anders, A.
Meisel, M.
Feher, A.
Powiązania:
https://bibliotekanauki.pl/articles/1385617.pdf
Data publikacji:
2015-02
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
71.70.Ch
75.30.Gw
75.50.Xx
75.78.-n
Opis:
The spin dynamics of a layered magnetic insulator, KEr(MoO₄)₂, have been investigated in a magnetic field applied along the easy axis at temperatures where the magnetism is dominated by the occupation of a ground doublet. More specifically, the DC magnetization and AC susceptibility were studied in magnetic fields up to 5 T and at temperatures ranging from 1.8 to 20 K. The temperature dependence of the AC susceptibility suggests a slowing down of magnetic relaxation with increasing magnetic field. The magnetic field dependence of the AC susceptibility, studied at nominally 2 K, indicates the presence of low-field, intermediate-field, and high-field regimes characterized by the interplay of internal and external magnetic fields that give rise to different relaxation processes.
Źródło:
Acta Physica Polonica A; 2015, 127, 2; 353-355
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Experimental Study of the Thermal Transport in $CsNiF_3 - An S = 1$ Quantum Chain
Autorzy:
Tkáč, V.
Orendáčová, A.
Orendáč, M.
Legut, D.
Tibenská, K.
Feher, A.
Poirier, M.
Meisel, M.
Powiązania:
https://bibliotekanauki.pl/articles/1427127.pdf
Data publikacji:
2012-05
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
75.30.Et
75.40.Cx
66.70.Lm
75.30.Ds
Opis:
The heat transport in a single-crystal of $CsNiF_3$ has been performed in the temperature range from 2 K to 7 K in a zero magnetic field, B = 0, as well as in sufficiently large magnetic fields, B = 6 T and 9 T, inducing the ferromagnetic ground state along the hard c-axis. $CsNiF_3$ represents an S = 1 quasi-one-dimensional XY ferromagnet with the intra-chain exchange coupling $J//k_{B}$ ≈ 24 K, single-ion anisotropy $D/k_{B}$ ≈ 8 K, and ordering temperature $T_{N}$ = 2.7 K. Comparison of the phonon and magnon velocities suggests that phonons are the main heat carriers in this magnetic insulator. The thermal conductivity in B = 0 was analysed in the frame of a standard Debye model. The temperature dependence of the effective phonon mean free path was calculated from the experimental data, and the enhancement of the phonon mean free path in B ≠ 0 was obtained, indicating that magnons act as scattering centers for phonons.
Źródło:
Acta Physica Polonica A; 2012, 121, 5-6; 1098-1101
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Influence of Pressure on the Magnetic Response of the Low-Dimensional Quantum Magnet Cu(H₂O)₂(C₂H₈N₂)SO₄
Autorzy:
Peprah, M.
VanGennep, D.
Blasiola, B.
Quintero, P.
Tarasenko, R.
Xia, J.
Hamlin, J.
Meisel, M.
Orendáčová, A.
Powiązania:
https://bibliotekanauki.pl/articles/1030267.pdf
Data publikacji:
2017-04
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
75.40.Cx
75.50.Ee
74.62.Fj
07.35.+k
Opis:
The influence of pressure on the low-dimensional molecular magnet Cu(H₂O)₂(en)SO₄ (en = ethylenediamine = C₂H₈N₂) has theoretically been shown to affect the exchange interactions of the material. Herein, the results of an experimental study of hydrostatic pressure effects on the temperature dependence of the magnetization are reported. Using two different pressure cells, the magnetization measurements were performed between 2 K and 9.6 K with pressures ranging from ambient to 5.0 GPa. The data preliminarily suggest the presence of a shift in the magnetization peak of the material at the lowest temperatures and at the highest applied pressures. These data serve as a guide for future experimental work employing pressure to study this intriguing system.
Źródło:
Acta Physica Polonica A; 2017, 131, 4; 901-903
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Magnetic Response of Mn(III)F(salen) at Low Temperatures
Autorzy:
Park, J.
Risset, O.
Shiddiq, M.
Peprah, M.
Knowles, E.
Andrus, M.
Beedle, C.
Ehlers, G.
Podlesnyak, A.
Čižmár, E.
Nagler, S.
Hill, S.
Talham, D.
Meisel, M.
Powiązania:
https://bibliotekanauki.pl/articles/1368508.pdf
Data publikacji:
2014-07
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
75.50.Ee
78.70.Nx
76.30.-v
75.10.Jm
Opis:
The low temperature magnetic response of Mn(III)F(salen), salen = $H_{14}C_{16}N_{2}O_{2}$, an S=2 linear-chain system, has been studied. Using a single crystal with the field applied perpendicular to the chain direction, torque magnetometry, down to 20 mK and up to 18 T, revealed a feature at 3.8 T when T ≤ 400 mK. ESR ( ≈200 GHz) studies, using single crystals at 4 K and in 5 T, have not detected any signal. In 10 mT, the temperature dependence of the susceptibility of powder-like samples can be reasonably fit when J/$k_{B}$=50 K and g=2. In addition, these data are unchanged for P ≤1.0 GPa. Using a randomly-oriented, powder-like, deuterated (12 of 14 H replaced by D) sample of 2.2 g at 270 mK, neutron scattering data, acquired with the Cold Neutron Chopper Spectrometer at the Spallation Neutron Source, show several well defined excitations that may be from the zero-field energy levels of antiferromagnetic S=2 spins with g=2, J/$k_{B}$=50 K, D/$k_{B}$=2.8 K, and E/$k_{B}$=0.5 K.
Źródło:
Acta Physica Polonica A; 2014, 126, 1; 228-229
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-8 z 8

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