File:Fr,87.jpg
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Fr,87.jpg (211 × 211 pixels, file size: 3 KB, MIME type: image/jpeg)
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| Description |
A heat image of 200,000 francium atoms in a magneto-optical trap at SUNY Stony Brook. |
|---|---|
| Source | |
| Article | |
| Portion used |
Entire image. |
| Low resolution? |
Yes. |
| Purpose of use |
To depict the subject of the article |
| Replaceable? |
This is one of the very few images found of francium: it is extremely difficult to produce, and it decays very rapidly. |
| Fair useFair use of copyrighted material in the context of Francium//en.wikipedia.org/wiki/File:Fr,87.jpgtrue | |
 | This work is copyrighted (or assumed to be copyrighted) and unlicensed. It does not fall into one of the blanket acceptable non-free content categories listed at Wikipedia:Non-free content § Images or Wikipedia:Non-free content § Audio clips, and it is not covered by a more specific non-free content license listed at Category:Wikipedia non-free file copyright templates. However, it is believed that the use of this work:
qualifies as fair use under United States copyright law. Any other uses of this image, on Wikipedia or elsewhere, may be copyright infringement. See Wikipedia:Non-free content and Wikipedia:Copyrights. |
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 13:45, 7 March 2011 | | 211 × 211 (3 KB) | Lanthanum-138 (talk | contribs) | {{Non-free use rationale |Article = Francium |Description = A fluorescence image of 200,000 francium atoms in a magneto-optical trap at SUNY Stony Brook. |Source = [http://elements.vanderkrogt.net/element.php?sym=Fr] |Portio |
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File usage
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