Results 261 to 270 of about 704,286 (307)
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Electrochemical pore etching in germanium
Journal of Electroanalytical Chemistry, 2006Abstract Nucleation and growth of electrochemically etched pores in Germanium (Ge) was investigated for n- and p-type Ge single crystals with {1 0 0}, {1 1 0}, and {1 1 1} orientations and doping concentrations of (10 14 –10 18 ) cm −3 . Various types of electrolytes, illumination conditions (front side, back side or none), and pre-treatments for ...
C. Fang, H. Föll, J. Carstensen
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Machine for electrochemical etch stop
SPIE Proceedings, 2001The configurations of electrochemical silicon etch-stop are discussed in this paper. An electrochemical etching machine with software and hardware, which can control the etching process of silicon very well, is designed and fabricated bas don the theory of electrochemical etching.
Kun Zhou +3 more
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ELECTROCHEMICAL ETCHING REGISTRATION AND TRACK FORMATION TIME
Nuclear Tracks, 1981ABSTRACT The registration efficiency of electrochemically etched nuclear track detectors is highly dependent on the track-formation time. Surface defects leading to background spots start forming trees since the beginning of the etching and they may propagate extensively if the track formation is not fast enough.
G. Espinosa Garcia +3 more
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Ultrasonic characterization of electrochemically etched porous silicon
Japanese Journal of Applied Physics, 2014This paper presents a non-destructive characterization of porous silicon wafer using ultrasound based on the strong relationship between porosity and acoustical parameters. Transmission coefficients are measured using broadband water immersion method and compared to theoretical ones using a genetic algorithm optimization.
Bustillo, Julien +3 more
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Long Germanium Nanowires Prepared by Electrochemical Etching
Nano Letters, 2006Germanium (Ge) nanowires have been produced by electrochemical etching of single-crystalline n-type Ge [100] in a HCl-containing aqueous electrolyte. Macropores could be etched at various etching currents after an optimized procedure for homogeneous pore nucleation was used.
C, Fang, H, Föll, J, Carstensen
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Nanotips by reverse electrochemical etching
Applied Physics Letters, 1992A simple, two-stage procedure is shown to produce slender and ultrasharp tungsten tips of nanometer and subnanometer apex dimensions (nanotips). Tip sharpening is achieved by electrochemical etching through bubble dynamics induced by ac voltage in a novel configuration in which the wire end is oriented upward.
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Electrochemical Etching Methods for Producing Porous Silicon
2015Porous silicon produced by electrochemical etching of silicon has become one of the most popular materials used in many scientific disciplines as a result of its outstanding and unique set of chemical and physical properties and cost-competitive fabrication processes.
Santos, Abel, Kumeria, Tushar
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