File:Tantalum single crystal and 1cm3 cube.jpg

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This is a file from the Wikimedia Commons. Information from its description page there is shown below.
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This is a featured picture, which means that members of the community have identified it as one of the finest images on the English Wikipedia, adding significantly to its accompanying article. If you have a different image of similar quality, be sure to upload it using the proper free license tag, add it to a relevant article, and nominate it.

This image was selected as picture of the day on the English Wikipedia for February 18, 2012.

Summary

Description	Deutsch: Ein hochreiner (99,999 % = 5N) Tantal- Einkristall, hergestellt nach dem Zonenschmelzverfahren, einige einkristalline Tantalbruchstücke, sowie für den Größenvergleich ein reiner (99,99 % = 4N) 1 cm³ Tantal-Würfel. English: A high purity (99.999 %) tantalum single crystal, made by the floating zone process, some single crystalline fragments of tantalum, as well as a high purity (99.99 % = 4N) 1 cm³ tantalum cube for comparison. Français : Un monocristal de tantale de haute pureté (99,999 %), obtenu par la Méthode de la zone fondue. Pour comparaison, on peut aussi voir sur l'image des fragments monocristallins de tantale, ainsi qu'un cm³ du même élément pur à 99,99 % et anodisé.
Date	29 May 2010
Source	Own work
Author	Alchemist-hp ( talk) ( www.pse-mendelejew.de)

This photo was taken by Alchemist-hp. If you use one of my photos, an email (account needed) or a message or direct to: my email account would be greatly appreciated.
Please note the license terms. Other licensing terms can get discussed, too.

Camera Model	Canon 5D Mark II
Lens	Canon EF 100mm
Notes	made by focus stacking software from 18x single shots

This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: Focus stack with Helicon Focus of 18 images..

Assessment

This is a featured picture on Wikimedia Commons ( Featured pictures) and is considered one of the finest images.
This is a Quality image and is considered to meet the Quality image guidelines.

Wikipedia

This is a featured picture on the German language Wikipedia ( Exzellente Bilder) and is considered one of the finest images.
This is a featured picture on the English language Wikipedia ( Featured pictures) and is considered one of the finest images.
This is a featured picture on the Polish language Wikipedia ( Ilustracja na medal) and is considered one of the finest images.
This is a featured picture on the Turkish language Wikipedia ( Seçkin resimler) and is considered one of the finest images.

If you have an image of similar quality that can be published under a suitable copyright license, be sure to upload it, tag it, and nominate it.

This image was selected as picture of the day on Wikimedia Commons for 15 January 2011. It was captioned as follows:

English: A high purity (99.999 %) tantalum single crystal, made by the floating zone process, some single crystalline fragments of tantalum, as well as a high purity (99.99 % = 4N) 1 cm³ tantalum cube for comparison.

Dansk: En enkeltkrystal af tantal med høj renhed (99,999%), fremstillet ved en zonesmeltningsproces. Desuden nogle krystalfragmenter af Tantal samt en 1 cm³ tantalterning af høj renhed (99,99 % = 4N) til sammenligning.

Deutsch: Ein hochreiner (99,999 % = 5N) Tantal- Einkristall, hergestellt nach dem Zonenschmelzverfahren, einige einkristalline Tantalbruchstücke, sowie für den Größenvergleich ein reiner (99,99 % = 4N) 1 cm³ Tantal-Würfel.

Español: Un monocristal de tántalo de alta pureza (99,999%), obtenido por el proceso de fusión de zona, algunos fragmentos de monocristal, y un cubo de 1 cm³ de alta pureza (99,99% = 4N) para comparar.

Français : Un monocristal de tantale de haute pureté (99,999 %), obtenu par la Méthode de la zone fondue. Pour comparaison, on peut aussi voir sur l'image des fragments monocristallins de tantale, ainsi qu'un cm³ du même élément pur à 99,99 % et anodisé.

Magyar: 99,999%-os tisztaságú tantál egykristály.

Italiano: Monocristallo di it:Tantalio ad elevata purezza (99,999 %) ottenuto per rifusione a zone; accanto alcuni frammenti dello stesso metallo e un cubetto da 1 cm³ con purezza del 99,99% = 4N.

日本語: 浮遊帯域溶融法によって作られた、純度 99.999% のタンタルの単結晶。左上は比較用の純度 99.99% のタンタルの立方体。他に数個のタンタル結晶片も添えられている。

한국어: 부유대상용융법으로 만든 순도 99.999%의 탄탈럼(Ta) 단결정. 왼쪽은 비교를 위한 순도 99.99%의 탄탈럼으로 만든 육면체이다.

Македонски: Танталова шипка (чистота: 99,999 %) со танталова коцка (99,99 % = 4N) од 1 cm³ за споредба.

Nederlands: Hoogzuiver (99,999% = 5N) tantaal- eenkristal, samengesteld door het zonesmeltproces, een aantal eenkristal-tantaalbrokstukken, alsook ter vergelijking een zuivere (99,99% = 4N) tantaalkubus van 1 cm³.

Português: Barras do elemento químico Tântalo com elevado grau de pureza (> 99,9%).

Русский: Монокристалл сверхчистого тантала (99,999 %), полученного методом зонной перекристаллизации. Для сравнения дан куб объёмом 1 см³

Türkçe: %99.999 saflıktaki Tantal kristalleri ve küpleri. Simgesi "Ta" olan Tantal'ın erime noktası 3017 °C'dir. 1802'de İsveç'te keşfedilmiştir.

Українська: Монокристал надчистого (99,999 %) танталу, отриманого методом рухомої зони перекристалізації. Для порівняння подано куб об'ємом 1 см³

中文（简体）‎: 纯度为99.999 %的钽晶体，左上方为纯度为99.99 % 钽立方体

Licensing

This file is licensed under the Creative Commons ‘Attribution-NonCommercial-NonDerivative 3.0 (US)’
Licence: http://creativecommons.org/licenses/by-nc-nd/3.0/
Diese Datei steht unter der Lizenz Creative Commons „Namensnennung-keine kommerzielle Nutzung-keine Bearbeitung 3.0 US“
Lizenz: http://creativecommons.org/licenses/by-nc-nd/3.0/deed.de

Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 only as 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.

1.2 only

Copyleft: This work of art is free; you can redistribute it and/or modify it according to terms of the Free Art License. You will find a specimen of this license on the Copyleft Attitude site as well as on other sites.

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The following pages on Schools Wikipedia link to this image (list may be incomplete):

Tantalum

Metadata

This file contains additional information, probably added from the digital camera or scanner used to create or digitize it. If the file has been modified from its original state, some details may not fully reflect the modified file.

Camera manufacturer	Canon
Camera model	Canon EOS 5D Mark II
Author	Heinrich Pniok
Copyright holder	Copyright: Heinrich Pniok
Exposure time	1/6 sec (0.16666666666667)
F-number	f/10
ISO speed rating	200
Date and time of data generation	10:17, 29 May 2010
Lens focal length	100 mm
Orientation	Normal
Horizontal resolution	300 dpi
Vertical resolution	300 dpi
Software used	Adobe Photoshop CS4 Windows
File change date and time	22:30, 29 May 2010
Y and C positioning	Centered
Exposure Program	Aperture priority
Exif version	2.2
Date and time of digitizing	10:17, 29 May 2010
Shutter speed	2.625
APEX aperture	6.625
Exposure bias	0.66666666666667
Metering mode	Spot
Flash	Flash did not fire, compulsory flash suppression
DateTime subseconds	906
DateTimeOriginal subseconds	20
DateTimeDigitized subseconds	20
Colour space	sRGB
Focal plane X resolution	3,849.2117888965
Focal plane Y resolution	3,908.1419624217
Focal plane resolution unit	inches
Custom image processing	Normal process
Exposure mode	Auto exposure
White balance	Auto white balance
Scene capture type	Standard

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