File:QD S.jpg
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QD_S.jpg (222 × 216 pixels, file size: 36 KB, MIME type: image/jpeg)
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Structured data
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Summary
[edit]DescriptionQD S.jpg | Colloidal semiconductor nanocrystals irradiated with ultraviolet light. Quantum confinement causes the band gap energy to vary with the nanocrystal's size. Each vial contains a monodisperse sample of nanocrystals dispersed in a liquid solvent. |
Date | 11 October 2007 (according to Exif data) |
Source | Own work |
Author | Walkman16 |
Licensing
[edit]I, the copyright holder of this work, hereby publish it under the following licenses:
This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license.
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- to remix – to adapt the work
- Under the following conditions:
- attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
- share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.http://www.gnu.org/copyleft/fdl.htmlGFDLGNU Free Documentation Licensetruetrue |
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Original upload log
[edit]The original description page is/was [ here]. All following user names refer to en.wikipedia.
- 23:57, November 26, 2009 Materialscientist(407 bytes) (uploaded a new version of "File:QD mini rainbow.jpg": crop - too much black empty space)
- 05:41, February 24, 2008 Walkman16 (158 bytes) (The photographer and copyright holder is Wikipedia user walkman16. Please attribute using this name.)
The original description page was here. All following user names refer to it.wikipedia.
- 2009-02-04 10:04 DispAcc01 320×293× (59518 bytes) Colloidal semiconductor nanocrystals irradiated with ultraviolet light. Quantum confinement causes the band gap energy to vary with the nanocrystal's size. Each vial contains a monodisperse sample of nanocrystals dispersed in a liquid solvent. The photo
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Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 14:30, 5 June 2021 | 222 × 216 (36 KB) | OgreBot (talk | contribs) | (BOT): Reverting to most recent version before archival | |
14:30, 5 June 2021 | 320 × 293 (58 KB) | OgreBot (talk | contribs) | (BOT): Uploading old version of file from it.wikipedia; originally uploaded on 2009-02-04 10:04:14 by DispAcc01 | ||
18:07, 21 May 2011 | 222 × 216 (36 KB) | Grumerr434 (talk | contribs) | == Licensing == {{self|cc-by-sa-3.0|GFDL}} |
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Metadata
This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.
Camera manufacturer | Canon |
---|---|
Camera model | Canon EOS DIGITAL REBEL |
Exposure time | 1/20 sec (0.05) |
F-number | f/2.8 |
ISO speed rating | 200 |
Date and time of data generation | 12:53, 11 October 2007 |
Lens focal length | 100 mm |
Orientation | Normal |
Horizontal resolution | 180 dpi |
Vertical resolution | 180 dpi |
Software used | GIMP 2.6.7 |
File change date and time | 08:56, 27 November 2009 |
Y and C positioning | Centered |
Exif version | 2.21 |
Date and time of digitizing | 12:53, 11 October 2007 |
Meaning of each component |
|
Image compression mode | 3 |
APEX shutter speed | 4.3219299316406 |
APEX aperture | 2.9708557128906 |
APEX exposure bias | −1.3333333333333 |
Maximum land aperture | 2.9708557128906 APEX (f/2.8) |
Metering mode | Pattern |
Flash | Flash did not fire |
Supported Flashpix version | 1 |
Color space | sRGB |
Focal plane X resolution | 3,443.9461883408 |
Focal plane Y resolution | 3,442.0168067227 |
Focal plane resolution unit | inches |
Sensing method | One-chip color area sensor |
File source | Digital still camera |
Custom image processing | Normal process |
Exposure mode | Auto bracket |
White balance | Auto white balance |
Scene capture type | Standard |