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Displaying 151 - 165 of 510 news articles related to this topic.
When compounds of bromine or chlorine (represented in blue) are introduced into a block of graphite (shown in green), the atoms find their way into the structure in between every third sheet, thus increasing the spacing between those sheets and making it easier to split them apart.

Layer upon layer

Method holds promise for making two- or three-tier graphene films that could be used for new electronic devices.

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