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Wyszukujesz frazę "Hennel, A." wg kryterium: Wszystkie pola


Wyświetlanie 1-7 z 7
Tytuł:
The Pressure Dependence of Transition Metal-Related Levels in GaAs
Autorzy:
Babiński, A.
Baj, M.
Hennel, A.
Powiązania:
https://bibliotekanauki.pl/articles/1886748.pdf
Data publikacji:
1991-02
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
71.55.Eq
62.50.+p
Opis:
The hydrostatic pressure coefficients of V$\text{}^{3+}$ $\text{}^{/}$ $\text{}^{2+}$ acceptor level in bulk GaAs and of the 0.48 eV trap (related to Ni$\text{}^{2+}$ $\text{}^{/}$ $\text{}^{1+}$ double acceptor level) in VPE GaAs were measured by means of the DLTS technique. The obtained values are 94 meV/GPa and 196 meV/GPa relative to the bottom of the conduction band. For Ni$\text{}^{2+}$ $\text{}^{/}$ $\text{}^{1+}$ level the strong pressure dependence of the capture cross-section activation energy (60 meV/GPa) was also observed.
Źródło:
Acta Physica Polonica A; 1991, 79, 2-3; 323-327
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Osobowość nauczycieli a ich praca z dziećmi migrantami w szkole podstawowej
The Teacher’s Personality and its Impact on Work with Migrant Children in the Primary School
Autorzy:
Pamuła-Behrens, Małgorzata
Hennel-Brzozowska, Agnieszka
Powiązania:
https://bibliotekanauki.pl/articles/915782.pdf
Data publikacji:
2020-01-19
Wydawca:
Uniwersytet im. Adama Mickiewicza w Poznaniu
Tematy:
migrant children
migrant education
teacher personality
Big Five
Vietnamese migrants
Ukrainian migrants
Opis:
Research on the personality of primary school teachers and on their level of competence in teaching migrant children, including their own migration experience and their attitudes toward training for better education of foreign pupils, was conducted in 2016, using Big Five NEO-FFI and a questionnaire constructed by the authors (PPNUC). The subjects work in a big Polish city and their school is attended by Ukrainian and Vietnamese migrant children; half of the teachers (called NU) have the migrant children in their classes, the other half do not (NN). The results have shown, among others, that NU teachers have higher extraversion scores than NN and that younger teachers have a more positive attitude toward training programs for educating migrant children.
Źródło:
Studia Edukacyjne; 2017, 46; 169-191
1233-6688
Pojawia się w:
Studia Edukacyjne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Hydrostatic Pressure Spectroscopy of the Vanadium Luminescence in GaAs
Autorzy:
Wysmołek, A.
Bożek, R.
Babiński, A.
Hennel, A. M.
Powiązania:
https://bibliotekanauki.pl/articles/1923845.pdf
Data publikacji:
1992-11
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
71.55.Eq
78.55.Cr
Opis:
We report luminescence measurements of the intracenter transition $\text{}^{3}$T$\text{}_{2}$ → $\text{}^{3}$A$\text{}_{2}$ of the V$\text{}^{3+}$(3d$\text{}^{2}$) charge state in semi-insulating GaAs under hydrostatic pressure up to 0.8 GPa at liquid helium temperature. The hydrostatic pressure coefficient of the zero-phonon line is found to be equal to 6.9 ± 0.2 meV/GPa. This result enables us to determine the Huang-Rhys parameter, which characterizes the coupling to the symmetric mode of vibration, as S$\text{}_{A}$ = 1.4 ± 0.1. Using this parameter, computer simulation leading to a reconstruction of the shape of both luminescence and corresponding absorption spectra were performed.
Źródło:
Acta Physica Polonica A; 1992, 82, 5; 837-840
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Dyplomaci weneccy w Rzeczypospolitej XVII wieku
Diplomatici veneziani nella Repubblica delle Due Nazioni nel XVII secolo
Autorzy:
Chynczewska-Hennel, Teresa
Powiązania:
https://bibliotekanauki.pl/articles/2171282.pdf
Data publikacji:
2019
Wydawca:
Akademia Supraska
Tematy:
venetian diplomats
Polska
Turkey
Polish-Lithuanian Commonwealth
G. Cavacca
G. Tiepolo
A. Vimina
A. Morosini
Opis:
I diplomatici della Serenissima si recavano in Polonia anzitutto per cercare di convincerla a intraprendere la lotta contro il Turco, la cui offensiva andava crescendo da tempo. Non mancavano le visite “di cortesia”, che gli ambasciatori veneziani facevano in occasione di cerimonie di incoronazione e di nozze regali, o per ragioni economiche. Dalla Polonia Venezia desiderava importare grano, bestiame e altri prodotti agricoli (come nel caso di Pietro Duodo, alla fine del XVII secolo). Una svolta nei contatti fra Venezia e la Polonia avvenne quando, nel 1645, i Turchi invasero Creta e conquistarono l’importante porto di Chania (Canea). In quell’anno Giovanni Tiepolo, che aveva rapporti di amicizia con Ladislao IV, giunse a Varsavia per cercare di ottenere rinforzi militari. Il soggiorno di ben due anni a Varsavia non portò però ad alcun risultato. L’insuccesso della missione derivò dall’atteggiamento negativo della nobiltà polacca che, contro la volontà del re e dei suoi sostenitori, non voleva impegnarsi in una guerra. Non ebbe successo neppure la missione diplomatica di Girolamo Cavazza che dimorò in Polonia fra 1650 e 1652, nel periodo dell’insurrezione di Bohdan Chmel’nyc’kyj. Infruttuosa rimase anche la missione dell’inviato veneziano Alberto Vimina che si rivolse direttamente all’etmano dell’esercito cosacco. Ne resta una preziosa testimonianza nell’opera “Historia delle guerre civili in Polonia” (Venetia, M.DC.LXXI). Degna di nota è la missione di Angelo Morosini, che ci ha lasciato una relazione conclusiva, scritta nel 1684 quando, dopo la vittoria di Giovanni III Sobieski a Vienna, si formò la Lega Santa di cui facevano parte sia Venezia che la Polonia. I diplomatici veneziani erano tutti rampolli delle più nobili famiglie veneziane. L’attività di personalità come Tiepolo, Cavazza e Vimina divenne immediatamente l’oggetto di narrazioni storiche stampate in grossi volumi che raccontano la storia di Venezia.
Źródło:
Latopisy Akademii Supraskiej; 2019, Вѣнецъ хваленїѧ. Studia ofiarowane profesorowi Aleksandrowi Naumowowi na jubileusz 70-lecia, 10; 11-24
2082-9299
Pojawia się w:
Latopisy Akademii Supraskiej
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
"Excitonic" and Photoionization Absorption Spectra of Iron in III-V Materials
Autorzy:
Wysmołek, A.
Tryc, R.
Bożek, R.
Hennel, A.
Powiązania:
https://bibliotekanauki.pl/articles/1924253.pdf
Data publikacji:
1992-11
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
71.55.Eq
78.55.Cr
Opis:
We report optical absorption measurements of Fe-doped GaAs, InP and GaP crystals obtained with the help of different doping techniques. In all these crystals photoionization spectra corresponding to Fe$\text{}^{3+}$ → Fe$\text{}^{2+}$ transitions with sharp "excitonic" lines were observed. The intensities of these lines are not proportional to the intensities of photoionization absorption bands, i.e. to the concentration of the Fe$\text{}^{3+}$ centers. Variation of more than one order of magnitude was observed for different semiconductors and for different crystals of the same material. These results suggest that only some iron centers are responsible for the "excitonic" spectra.
Źródło:
Acta Physica Polonica A; 1992, 82, 5; 911-913
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-7 z 7

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