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Electrical characterization of low temperature plasma epitaxial Si grown on highly doped Si substrates

Electrical characterization of low temperature plasma epitaxial Si grown on highly doped Si substrates
Epitaxial silicon layers were grown on highly doped c-Si substrates using the plasma-enhanced chemical vapour deposition process (PECVD) at low temperature (175 °C). The transport and defect-related properties of these epi-Si layers were characterized by current density-voltage (J–V) and capacitance–voltage (C–V) techniques. The results show that the epi-Si layers exhibit a non-intentional n-type doping with a low apparent doping density of about 2 × 1015 cm−3. The admittance spectroscopy technique is used to investigate the presence of deep-level defects in the structure. An energy level at 0.2 eV below the conduction band has been found with a density in the range of 1015 cm−3 which may explain the observed apparent doping profile.
- Université Paris-Saclay France
- University of Paris-Saclay France
- UNIVERSITE PARIS-SACLAY France
- Université Paris-Saclay (Maison du Doctorat) France
- Institut Photovoltaïque d’Île-de-France France
[SPI.OPTI] Engineering Sciences [physics]/Optics / Photonic, [SPI.NANO] Engineering Sciences [physics]/Micro and nanotechnologies/Microelectronics, TJ807-830, impurity profile, [SPI.MAT] Engineering Sciences [physics]/Materials, 530, Renewable energy sources, [SPI.MAT]Engineering Sciences [physics]/Materials, current–voltage, Capacitance–voltage, epitaxial Si, [SPI.NANO]Engineering Sciences [physics]/Micro and nanotechnologies/Microelectronics, [SPI.NRJ]Engineering Sciences [physics]/Electric power, 500, [PHYS.COND.CM-MS] Physics [physics]/Condensed Matter [cond-mat]/Materials Science [cond-mat.mtrl-sci], epitaxial si, [PHYS.COND.CM-MS]Physics [physics]/Condensed Matter [cond-mat]/Materials Science [cond-mat.mtrl-sci], [SPI.OPTI]Engineering Sciences [physics]/Optics / Photonic, [SPI.NRJ] Engineering Sciences [physics]/Electric power, capacitance–voltage
[SPI.OPTI] Engineering Sciences [physics]/Optics / Photonic, [SPI.NANO] Engineering Sciences [physics]/Micro and nanotechnologies/Microelectronics, TJ807-830, impurity profile, [SPI.MAT] Engineering Sciences [physics]/Materials, 530, Renewable energy sources, [SPI.MAT]Engineering Sciences [physics]/Materials, current–voltage, Capacitance–voltage, epitaxial Si, [SPI.NANO]Engineering Sciences [physics]/Micro and nanotechnologies/Microelectronics, [SPI.NRJ]Engineering Sciences [physics]/Electric power, 500, [PHYS.COND.CM-MS] Physics [physics]/Condensed Matter [cond-mat]/Materials Science [cond-mat.mtrl-sci], epitaxial si, [PHYS.COND.CM-MS]Physics [physics]/Condensed Matter [cond-mat]/Materials Science [cond-mat.mtrl-sci], [SPI.OPTI]Engineering Sciences [physics]/Optics / Photonic, [SPI.NRJ] Engineering Sciences [physics]/Electric power, capacitance–voltage
3 Research products, page 1 of 1
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