The Effect of Ion-Bombardment on the Formation of Voids During Deposition of a-Ge:H

1998 ◽  
Vol 507 ◽  
Author(s):  
F. Origo ◽  
P. Hammer ◽  
D. Comedi ◽  
I. Chambouleyron
Keyword(s):  
Film Growth ◽  
Ion Beam ◽  
Ion Bombardment ◽  
Ion Source ◽  
Ion Beam Sputtering ◽  
Small Surface ◽  
Sputtering Deposition ◽  
Bonding Properties ◽  
Ir Detection ◽  
Beam Currents

ABSTRACTThe role of substrate ion bombardment on the structural and H bonding properties of hydrogenated amorphous germanium (a-Ge:H) films was studied by infrared (ir) spectroscopy. A Kaufman type ion source was used to produce an Ar1 beam directed towards a Ge target for a- Ge:H ion beam sputtering deposition in a H2-containing vacuum chamber. A low energy (100 eV) H2++Ar+ beam obtained from an additional ion source was allowed to impinge directly on the substrate during film growth at various beam currents.It was found that substrate bombardment by 100 eV ions favors the formation of voids, as deduced from the increasing contribution of the surface-like Ge-H stretching mode to the ir spectrum with increasing ion current. The void density was reduced below the ir detection limit by totally removing the ion beam on the substrate while keeping all other parameters fixed. For this condition, we observe no or very small surface-like contributions to the ir spectra, irrespective of substrate temperature (25-260°C) or growth rate used. A narrowing of the infrared Ge-H stretching mode peak is observed with increasing deposition temperature, indicating a concomitant tendency towards a more ordered structure.

Ion Beam Induced Growth Structure of Fluorite Type Oxide Films for Biaxially Textured HYSC Coated Conductors

1999 ◽  
Vol 585 ◽  
Author(s):  
Y. Iijima ◽  
M. Kimura ◽  
T. Saitoh
Keyword(s):  
Film Growth ◽  
Ion Beam ◽  
Ion Bombardment ◽  
Coated Conductors ◽  
Low Energy ◽  
Ion Beam Sputtering ◽  
Beam Sputtering ◽  
Fluorite Type ◽  
Pyrochlore Type ◽  
Oxide Crystals

AbstractBiaxially aligned film growth by dual-ion-beam sputtering methods were studied for fluorite type (Zr0.85Y0.15O1.93(YSZ), Hf0.74Yb0.26O1.87, CeO2), pyrochlore type (Zr2Sm2O7), and rare-earth C type (Y2O3, Sm2O3) oxides on polycrystalline Ni-based alloy substrates. Cubetextured (all axes aligned with a <100> axis substrate normal) films were obtained for fluorite and pyrochlore ones by low energy (<300 eV) ion bombardment at low temperatures (< 300 °C). Besides, cube textured Y2O3 films were obtained in far narrower conditions with a quite low energy (150 eV)-ion bombardment at the temperature of 300 °C. The assisting ion energy dependence was discussed in connection with lattice energies for these oxide crystals.

The Characterization of CIGS Thin Films Prepared by Ion Beam Sputtering Deposition from a Quaternary Target

2013 ◽  
Vol 734-737 ◽  
pp. 2545-2548
Author(s):  
Chao Ming Chen ◽  
Ping Fan ◽  
Guang Xing Liang ◽  
Zhuang Hao Zheng ◽  
Dong Ping Zhang ◽  
...  
Keyword(s):  
Thin Films ◽  
Ion Beam ◽  
Hall Effect Measurement ◽  
Beam Current ◽  
Chalcopyrite Structure ◽  
Ion Beam Sputtering ◽  
Sputtering Deposition ◽  
X Ray ◽  
Beam Sputtering ◽  
Beam Currents

This study reports the successful preparation of Cu (In, Ga)Se2(CIGS) thin film solar cells by ion beam sputtering with a chalcopyrite CIGS quaternary target. The films were fabricated with different beam currents. The thin films were characterized with X-ray diffraction (XRD), energy-dispersive X-ray spectroscopy (EDS), scanning electron microscopy (SEM) and hall effect-measurement system to study the microstructures, composition, surface morphology and electrical properties, respectively. Experimental results show that both the films are chalcopyrite structure, the Ga/(In+Ga) ratio, Cu/(In+Ga) ratio and Se/(Cu+In+Ga) ratio are decrease with the beam currents increase, the surfaces morphology of the films are dense, and the resistivity of the film deposited with the beam current of 40mA is 0.56Ωcm, with a carrier concentration of 4.11Χ1018cm-3and mobility of 2.73cm2V-1s-1. The resulting film exhibited p-type conductivity.

A New Technique for Depth Profiling on a Nanometer Scale

1995 ◽  
Vol 405 ◽  
Author(s):  
H. Schwenke ◽  
J. Knoth ◽  
R. Günther ◽  
G. Wiener ◽  
R. Bormann
Keyword(s):  
Ion Beam ◽  
Depth Profiling ◽  
Depth Resolution ◽  
Ion Source ◽  
New Technique ◽  
Ion Beam Sputtering ◽  
Sputtering Deposition ◽  
Beam Sputtering ◽  
A New Technique

AbstractA new technique is presented for the determination of concentration depth profiles. Surface atoms are sputtered by an ion beam and deposited on a clean silicon wafer. The wafer is rotated behind a slit in step with the sputtering progress. In this way the depth profile of the sample is transferred into a lateral distribution of the sputtered atoms on the target wafer. Subsequently the wafer is scanned by Total Reflection X-ray Fluorescence Spectrometry (TXRF) which is capable of detecting traces of metallic impurities on wafers down to 10-4 of an atomic monolayer. The sequence of ion-beam sputtering, deposition of the sputtered atoms and TXRF analysis results in an excellent depth resolution in the case of areal structures. Using an ion source of the Kaufmann type, an extrapolated perpendicular resolution better than 0.1 nm was obtained for a 1500 mm2 surface. For a surface area of 3 mm2 a depth resolution of 1 nm is expected. 1.4 nm was actually measured to be the width of a coherent Ti/Al-interface within a layered structure.

Influence of N2 Proportion on Mechanical Properties of SiCN Thin Films Prepared by DIBSD

2010 ◽  
Vol 97-101 ◽  
pp. 1243-1247 ◽  
Author(s):  
Bo Hong ◽  
Xue Mei Wu ◽  
Lan Jian Zhuge ◽  
Zhao Feng Wu ◽  
Fei Zhou
Keyword(s):  
Mechanical Properties ◽  
Ion Beam ◽  
Ion Source ◽  
Laser Raman Spectroscopy ◽  
Ion Beam Sputtering ◽  
Sputtering Deposition ◽  
Laser Raman ◽  
Beam Sputtering ◽  
Sicn Thin Films ◽  
Dual Ion Beam Sputtering

Amorphous silicon carbide nitride (SiCN) films have been deposited in a dual ion beam sputtering deposition (DIBSD) using a SiC target. Films with various compositions were obtained by changing the nitrogen and argon gas ratio in the assisted ion source. Mechanical properties of the SiCN films were evaluated by Nano-indentation in N2 ambient. Surface morphology of the films was characterized by an Atomic Force Microscope (AFM). The microstructure and chemical bonding correlating with behavior of the films were studied by a Fourier transform infrared spectroscopy (FTIR) and a laser Raman spectroscopy. The results show that N2 proportion in the assisted ion source has a great effect on the structure and properties of the films and the mechanism was discussed in brief.

Ion Beam Induced Growth Structure of Fluorite Type Oxide Films for Biaxially Textured htsc Coated Conductors

1999 ◽  
Vol 587 ◽  
Author(s):  
Y. Iijima ◽  
M. Kimura ◽  
T. Saitoh
Keyword(s):  
Film Growth ◽  
Ion Beam ◽  
Ion Bombardment ◽  
Coated Conductors ◽  
Low Energy ◽  
Ion Beam Sputtering ◽  
Beam Sputtering ◽  
Fluorite Type ◽  
Pyrochlore Type ◽  
Oxide Crystals

AbstractBiaxially aligned film growth by dual-ion-beam sputtering method were studied for fluorite type (Zr0.85Y0.15O1.93(YSZ), Hf0.74Yb0.26O1.87, CeO2), pyrochlore type (Zr2Sm2O7), and rare-earth C type (Y2O3, Sm2O3) oxides on polycrystalline Ni-based alloy substrates. Cube-textured (all axes aligned with a <100> axis substrate normal) films were obtained for fluorite and pyrochlore ones by low energy (<300 eV) ion bombardment at low temperatures (< 300 °C). Besides, cube textured Y2O3 films were obtained in far narrow conditions with a quite low energy (150 eV)-ion bombardment at the temperature of 300°C. The assisting ion energy dependence was discussed in connection with lattice energies for these oxide crystals.

Direct Observations of the Epitaxial Growth of Sputtered Ag on Si

1973 ◽  
Vol 31 ◽  
pp. 122-123
Author(s):  
J. S. Maa ◽  
Thos. E. Hutchinson
Keyword(s):  
Epitaxial Growth ◽  
Film Growth ◽  
Ion Beam ◽  
Ion Beam Sputtering ◽  
Microscopy Technique ◽  
Direct Observations ◽  
In Situ Electron Microscopy ◽  
Beam Sputtering ◽  
The Subject

The growth of Ag films deposited on various substrate materials such as MoS2, mica, graphite, and MgO has been investigated extensively using the in situ electron microscopy technique. The three stages of film growth, namely, the nucleation, growth of islands followed by liquid-like coalescence have been observed in both the vacuum vapor deposited and ion beam sputtered thin films. The mechanisms of nucleation and growth of silver films formed by ion beam sputtering on the (111) plane of silicon comprise the subject of this paper. A novel mode of epitaxial growth is observed to that seen previously.The experimental arrangement for the present study is the same as previous experiments, and the preparation procedure for obtaining thin silicon substrate is presented in a separate paper.

Study on the Surface Quality of Al2O3 Nano-Films by Ion Beam Sputtering Deposition

2011 ◽  
Vol 148-149 ◽  
pp. 54-57
Author(s):  
Xiao Ping Lin ◽  
Yun Dong ◽  
Lian Wei Yang
Keyword(s):  
Surface Quality ◽  
Ion Beam ◽  
Three Dimensional ◽  
Ion Beam Sputtering ◽  
Sputtering Deposition ◽  
Atomic Force ◽  
Beam Sputtering ◽  
Dimensional Growth ◽  
Different Thickness

The Al2O3 nano-films of different thicknesses (1~100nm) were successfully deposited on the monocrystalline Si surface by using ion beam sputtering deposition. The surface topography and the component of nano-films with different thickness were analyzed. The quality of the surface of nano-films was systematically studied. When the films’ thickness increase, the studies by atomic force microscope (AFM), X-ray photoelectron spectrum（XPS） show that the gathering grain continually grows up and transits from acerose cellula by two-dimensional growth to globularity by three-dimensional growth. The elements O, Al and Si were found on the surface of Al2O3 nano-films. With the thickness of the films increasing, the content of Al gradually increases and the intensity peak of Si wears off, the surface quality of the deposited films is ceaselessly improved

Cosputtering effect in titanium oxides by ion-beam sputtering deposition

2000 ◽  
Author(s):  
JinCherng Hsu ◽  
Cheng-chung Lee ◽  
LuuGen Hwa
Keyword(s):  
Ion Beam ◽  
Titanium Oxides ◽  
Ion Beam Sputtering ◽  
Sputtering Deposition ◽  
Beam Sputtering

Formation of the crystalline β-C3N4 phase by dual ion beam sputtering deposition

2007 ◽  
Vol 61 (14-15) ◽  
pp. 2855-2858 ◽  
Author(s):  
J.P. Rivière ◽  
D. Texier ◽  
J. Delafond ◽  
M. Jaouen ◽  
E.L. Mathé ◽  
...  
Keyword(s):  
Ion Beam ◽  
Ion Beam Sputtering ◽  
Sputtering Deposition ◽  
Beam Sputtering ◽  
Dual Ion Beam Sputtering
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