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Birnessite-type MnO2 nanosheets with layered structures under high pressure: elimination of crystalline stacking
Yugang Sun1, Lin Wang, Yuzi Liu
1Center for Nanoscale Materials, Argonne National Laboratory, 9700, South Cass Avenue, Argonne, Illinois, 60439, USA.
Small (Weinheim an Der Bergstrasse, Germany)
|September 3, 2014
Abstract:
Squeezing out crystalline stacking faults: Birnessite-type δ-phase MnO2 microflowers containing interconnected ultrathin nanosheets are synthesized through a microwave-assisted hydrothermal process and exhibit a layered crystalline structure with significant stacking faults. Compressing these MnO2 nanosheets in a diamond anvil cell with high pressure up to tens of GPa effectively eliminates the crystalline stacking faults.
