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Wyświetlanie 1-5 z 5
Tytuł:
Composition and Structure of Czochralski Silicon Implanted with $H_{2}^{+}$ and Annealed under Enhanced Hydrostatic Pressure
Autorzy:
Kulik, M.
Kobzev, A.
Misiuk, A.
Wierzchowski, W.
Wieteska, K.
Bak-Misiuk, J.
Powiązania:
https://bibliotekanauki.pl/articles/1538976.pdf
Data publikacji:
2010-02
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
61.72.U-
61.72.uf
66.10.C-
61.80.Jh
81.20.-n
82.80.Yc
85.40.-e
Opis:
Depth distribution of implanted species and microstructure of oxygen-containing Czochralski grown silicon (Cz-Si) implanted with light ions (such as $H^{+}$) are strongly influenced by hydrostatic pressure applied during the post-implantation treatment. Composition and structure of Si:H prepared by implantation of Cz-Si with $H_{2}^{+}$; fluence D = 1.7 × $10^{17} cm^{-2}$, energy E = 50 keV (projected range of $H_{2}^{+}$, $R_{p}(H)$ = 275 nm), processed at up to 923 K under Ar pressure up to 1.2 GPa for up to 10 h, were investigated by elastic recoil detection Rutherford backscattering methods and the depths distributions of implanted hydrogen and also carbon, oxygen and silicon in the near surface were determined for all samples. The defect structure of Si:H was also investigated by synchrotron diffraction topography at HASYLAB (Germany). High sensitivity to strain associated with small inclusions and dislocation loops was provided by monochromatic (λ = 0.1115 nm) beam topography. High resolution X-ray diffraction was also used.
Źródło:
Acta Physica Polonica A; 2010, 117, 2; 332-335
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
X-ray Study of Strain Relaxation in Heteroepitaxial AlGaAs Layers Annealed under High Hydrostatic Pressure
Autorzy:
Bąk-Misiuk, J.
Adamczewska, J.
Misiuk, A.
Regiński, K.
Wierzchowski, W.
Wieteska, K.
Kozanecki, A.
Kuritsyn, D.
Glukhanyuk, W.
Trela, J.
Powiązania:
https://bibliotekanauki.pl/articles/2030644.pdf
Data publikacji:
2002-05
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
81.40.-z
68.55.Ln
Opis:
The effect of treatment at up to 1270 K under hydrostatic argon pressure, up to 1.2 GPa, on strain relaxation of AlGaAs layers was investigated by X-ray diffraction and related methods. The 1.5μm thick AlGaAs layers were grown by molecular beam epitaxy method on 001 oriented semi-insulating GaAs substrate at 950 K. An increase in intensity of X-ray diffuse scattering, originating from hydrostatic pressure-induced misfit dislocations, was observed for all treated samples. For the samples treated at 920 K during 1 h under 0.6 GPa, the diffuse scattering was confined to the [110] crystallographic direction perpendicular to the direction of dislocations. For the samples treated at 1.2 GPa at the same temperature and time conditions as for 0.6G Pa, a different behaviour is observed, namely the diffuse scattering extends along all azimuthal directions, indicating that dislocations are created in both [110] and [¯110] directions. The change of strain after the treatment was most pronounced for the samples treated at 1.2 GPa for 1 h at 920 K.
Źródło:
Acta Physica Polonica A; 2002, 101, 5; 689-699
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Defect Structure of Nitrogen Doped Czochralski Silicon Annealed under Enhanced Pressure
Autorzy:
Misiuk, A.
Wierzchowski, W.
Wieteska, K.
Londos, C.
Andrianakis, A.
Bak-Misiuk, J.
Yang, D.
Surma, B.
Powiązania:
https://bibliotekanauki.pl/articles/1539028.pdf
Data publikacji:
2010-02
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
61.05.cp
61.72.-y
61.72.Ff
61.72.uf
62.50.-p
Opis:
Defect structure of Czochralski grown silicon (Cz-Si) with nitrogen admixture, c_{N} ≤ 5 × $10^{14} cm^{-3}$ (Cz-Si:N), annealed for up to 10 h at 1270-1400 K under hydrostatic Ar pressure ≤ 1.1 GPa, was investigated by synchrotron diffraction topography (HASYLAB, Germany), X-ray reciprocal space mapping, and infrared spectroscopy. Extended defects were not detected in Cz-Si:N processed at up to 1270 K. Such defects were created, however, in Cz-Si:N pre-annealed at 923 K and next processed at 1270 K or in as-grown Cz-Si:N processed at 1400 K. Investigation of temperature-pressure effects in nitrogen-doped silicon contributes to the understanding of defect formation in Cz-Si:N.
Źródło:
Acta Physica Polonica A; 2010, 117, 2; 344-347
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Properties of Si:V Annealed under Enhanced Hydrostatic Pressure
Autorzy:
Misiuk, A.
Wierzchowski, W.
Wieteska, K.
Barcz, A.
Bak-Misiuk, J.
Chow, L.
Vanfleet, R.
Prujszczyk, M.
Powiązania:
https://bibliotekanauki.pl/articles/1504150.pdf
Data publikacji:
2011-07
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
61.72.Dd
61.72.uf
64.75.Qr
66.30.Xj
81.40.Xj
Opis:
It is known that processing of silicon implanted with vanadium, Si:V, at high temperature-pressure, HT-HP, can lead to magnetic ordering within the V-enriched area. New data concerning structure of Si:V (prepared using $V^{+}$ doses, D = (1-5) × $10^{15} cm^{-2}$, and energy, E = 200 keV), as implanted and processed for up to 10 h at HT ≤ 1400 K under enhanced hydrostatic pressure, HP ≤ 1.1 GPa, are presented. In effect of implantation, amorphous (a-Si) area is produced near range of implanted species. Transmission electron microscopy, secondary ion mass spectrometry, X-ray, and synchrotron methods were used for sample characterisation. At HT-HP the a-Si layer is subjected to solid phase epitaxial re-growth. Depending on HP, distinct solid phase epitaxial re-growth and formation of $VSi_2$ are observed at HT ≥ 720 K. HP applied at processing results in the improved solid phase epitaxial re-growth in Si:V. This can be related, among others, to the effect of HP on diffusivity of $V^{+}$ and of implantation-induced point defects. Our results can be useful for development of the new family of diluted magnetic semiconductors.
Źródło:
Acta Physica Polonica A; 2011, 120, 1; 196-199
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Revealing the Defects Introduced in N- or Ge-doped Cz-Si by γ Irradiation and High Temperature-High Pressure Treatment
Autorzy:
Wieteska, K.
Misiuk, A.
Prujszczyk, M.
Wierzchowski, W.
Surma, B.
Bąk-Misiuk, J.
Romanowski, P.
Shalimov, A.
Capan, I.
Yang, D.
Graeff, W.
Powiązania:
https://bibliotekanauki.pl/articles/1812256.pdf
Data publikacji:
2008-08
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
61.05.c-
61.72.-y
61.82.-d
Opis:
Effect of processing under high hydrostatic pressure (= 1.1 GPa), applied at 1270 K, on Czochralski grown silicon with interstitial oxygen content $(c_O)$ up to $1.1×10^{18} cm^{-3}$, admixed with N or Ge (Si-N, c_N ≤ $1.2×10^{15} cm^{-3}$, or Si-Ge, $c_{Ge} ≈ 7×10^{17} cm^{-3}$, respectively), pre-annealed at up to 1400 K and next irradiated withγ-rays (dose, D up to 2530 Mrad, at energy E = 1.2 MeV), was investigated by high resolution X-ray diffraction, Fourier transform infrared spectroscopy, and synchrotron topography. Processing of γ-irradiated Si-N and Si-Ge under high pressure leads to stimulated precipitation of oxygen at the nucleation sites created by irradiation. It means that radiation history of Si-N and Si-Ge can be revealed by appropriate high temperature-high pressure processing.
Źródło:
Acta Physica Polonica A; 2008, 114, 2; 439-446
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-5 z 5

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