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Generally, the 1 nm MgO layer would be discontinuous in some places (Ref.). In order to ensure the continuity of the film, the thickness should be more than 1 nm. According to our studies below, by inserting 3 nm MgO layer at the top and 4 nm at the bottom interfaces of the trilayers, we can obtain steady performance.

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ÄûÃÊÊ÷: ½ð±Ò+10, ·­ÒëEPI+1, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸ 2013-08-23 14:40:58
In general, there are discontinuities in the 1 nm MgO layer. Thus the thickness of the film must be less than 1 nm to ensure its continuity. As shown in the following diagram, we can obtain steady performance by inserting a layer of 3 nm MgO at the top and 4 nm at the bottom of the trilayers.
2Â¥2013-08-20 22:16:39
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In general, there are discontinuities in the 1 nm MgO layer. Thus the thickness of the film must be less than 1 nm to ensure its continuity.

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3Â¥2013-08-20 23:43:10
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andrewzhang

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3Â¥: Originally posted by ÄûÃÊÊ÷ at 2013-08-20 16:43:10
In general, there are discontinuities in the 1 nm MgO layer. Thus the thickness of the film must be less than 1 nm to ensure its continuity.

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4Â¥2013-08-20 23:46:05
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dingdingkeai

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Òâ˼ÒѾ­Ð´µÄºÜÃ÷È·ÁË,°Ñwould be ¸Ã³ÉARE¿´×ŸüÊæ·þЩ.,some places of the 1 nm MgO layer are discontinuous
5Â¥2013-08-21 08:17:54
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mac194

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( ¸Ðл½±ÉÍ!! )

Invisible voids in MgO can be overcome by employing a 3-layer composite of the same material.

__________ measurements appear uniform when 1-nm MgO is in between 3-nm and 4-nm thick MgO on top and bottom respectively.

Our paper shows how much thicker film are needed to get reliable performance out of 1-nm MgO.



__________ = Ò×ÊÜ MgO ÎïÖʼä¶ÏµÄÎïÐÔ
6Â¥2013-08-23 12:17:42
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