Autor: Knapp, J. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Characterization of Defects in Titanium Created by Hydrogen Charging
Autorzy:: Hruška, P.
Čížek, J.
Knapp, J.
Melikhova, O.
Havela, L.
Mašková, S.
Lukáč, F.
Powiązania:: https://bibliotekanauki.pl/articles/1033958.pdf
Data publikacji:: 2017-11
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: 78.70.Bj
61.72.-y
Opis:: Hydrogen interaction with vacancies in α-Ti was investigated employing positron lifetime spectroscopy combined with ab initio theoretical modeling of vacancy-hydrogen complexes. Ab initio modeling revealed that multiple hydrogen atoms up to 7 can be trapped at vacancies in the α-Ti lattice. Trapped H atoms are located close to the nearest neighbor tetrahedral sites around the centre of vacancy. Lifetimes of positrons trapped at vacancies associated with various numbers of hydrogen atoms were calculated. Positron lifetime measurement of H-loaded α-Ti samples revealed that phase transition into the hydride phase introduced dislocations. Vacancies were created by H loading as well and agglomerated into small vacancy clusters.
Źródło:: Acta Physica Polonica A; 2017, 132, 5; 1606-1610
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Rzęsistkowica pochwy u kobiet ze schorzeniami ginekologicznymi w materiale I Kliniki Położnictwa i Chorób Kobiecych w latach 1968-1971
Trichomonadosis of the vagina in gynecologic diseases in the material of the First Clinic of Obstetrics and Women Diseases in Bialystok
Trikhomonadoz vlagalishha u zhenshhin s ginekologicheskimi zabolevanijami po materialam I Kliniki Akusherstva i Zhenskikh Boleznejj v 1968-1971 g.
Autorzy:: Karpowicz, M.J.
Jusińska-Dubiel, C.
Goszczyński, J.
Knapp, P.
Racz, R.
Powiązania:: https://bibliotekanauki.pl/articles/2176556.pdf
Data publikacji:: 1973
Wydawca:: Polskie Towarzystwo Parazytologiczne
Źródło:: Wiadomości Parazytologiczne; 1973, 19, 3; 291-294
0043-5163
Pojawia się w:: Wiadomości Parazytologiczne
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Lattice Parameters of Aluminium Nitride in the Range 10-291 K
Autorzy:: Paszkowicz, W.
Knapp, M.
Podsiadło, S.
Kamler, G.
Pełka, J. B.
Powiązania:: https://bibliotekanauki.pl/articles/2030706.pdf
Data publikacji:: 2002-05
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: 81.05.Je
65.40.De
65.60.+a
65.40.-b
Opis:: Lattice parameters for aluminium nitride were determined using X-ray powder diffraction at a synchrotron radiation source (beamline B2, Hasylab/DESY, Hamburg) in the temperature range from 10 K to 291 K. The measurements were carried out using the Debye-Scherrer geometry. The relative change of both, a and c, on rising the temperature in the studied range (10-291 K) is about 0.03%. The results are compared with earlier laboratory data and theoretical predictions.
Źródło:: Acta Physica Polonica A; 2002, 101, 5; 781-785
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: X-ray Characterization of Films Formed by Pulsed Laser Deposition on Cold Substrates from YBaCuO Targets
Autorzy:: Pełka, J. B.
Paszkowicz, W.
Gierłowski, P.
Lewandowski, S. J.
Zieliński, M.
Barbanera, S.
Knapp, M.
Powiązania:: https://bibliotekanauki.pl/articles/2030707.pdf
Data publikacji:: 2002-05
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: 52.38.Mf
81.15.-z
68.55.-a
Opis:: Grazing-incidence X-ray diffraction supplemented with atomic force microscopy and secondary ion mass spectroscopy were applied to the characterization of films deposited by laser ablation on cold substrates from YBaCuO targets and subsequently irradiated with additional laser pulses of lower energy density. Evolution of X-ray diffraction pattern was observed as a function of irradiation dose. For the as-deposited films the pattern was typical of the amorphized solids. For the films irradiated with doses higher than the threshold, the pattern was enriched with the diffraction peaks, whose general features, like peak positions, widths and relative intensities were almost independent of the dose. The size of the crystallites was deduced from the peak widths to be not smaller than 12-16 nm. Comparison of the pattern with patterns of known phases indicates that, apart of the amorphous component, a structure with an admixture of some new metastable or high temperature phase(s) is formed during the process of pulsed laser annealing. The atomic force microscopy observations revealed that the surface roughness shows a pronounced minimum at low irradiation doses. The secondary ion mass spectroscopy investigation confirms that the strongest chemical changes (increase in concentration of yttrium and copper) due to irradiation with higher doses are observed in the near-surface film material.
Źródło:: Acta Physica Polonica A; 2002, 101, 5; 787-794
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

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