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Gerlinde Habler
University of Vienna
GeologyGeochemistryMineralogyShear zoneZircon
57Publications
13H-index
566Citations
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Publications 69
Newest
#1Semir Tulić (University of Vienna)H-Index: 1
#2Thomas Waitz (University of Vienna)H-Index: 21
Last. Bohuslav Rezek (CTU: Czech Technical University in Prague)H-Index: 30
view all 11 authors...
Nanocrystalline diamond (NCD) films grown on Si substrates by microwave plasma enhanced chemical vapor deposition (MWPECVD) were subjected to Ni-mediated graphitization to cover them with a conductive layer. Results of transmission electron microscopy including electron energy-loss spectroscopy of cross-sectional samples demonstrate that the oxide layer on Si substrates (∼5 nm native SiO2) has been damaged by microwave plasma during the early stage of NCD growth. During the heat treatment for gr...
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#1Elizaveta Kovaleva (University of the Free State)H-Index: 5
#2M S Huber (University of the Free State)
Last. D. A. Zamyatin (UrFU: Ural Federal University)H-Index: 3
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#1Roman Schuster (University of Vienna)H-Index: 1
#2Gerlinde Habler (University of Vienna)H-Index: 13
Last. Rainer Abart (University of Vienna)H-Index: 20
view all 4 authors...
Polycrystalline calcite was deformed to high strain at room-temperature and confining pressures of 1–4 GPa using high-pressure torsion. The high confining pressure suppresses brittle failure and allows for shear strains >100. The post-deformation microstructures show inter- and intragranular cataclastic deformation and a high density of mechanical e\( \left\{01\overline{1}8\right\} \) twins and deformation lamellae in highly strained porphyroclasts. The morphologies of the twins resemble twin mo...
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#1Elizaveta Kovaleva (University of the Free State)H-Index: 5
#2Gerlinde Habler (University of Vienna)H-Index: 13
Abstract Mechanical microtwins in zircon is a characteristic shock feature and a potential tool for estimating shock pressure and/or shear stress. However, so far, zircon with microtwins has rarely been described in situ. The present study of pseudotachylite-bearing granitic gneisses from the Vredefort impact structure focuses on the spatial distribution of zircon with microtwins and other deformation features. Zircon hosted by granitic gneiss does not reveal extensive shock deformation. With de...
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#2Tamás CsanádiH-Index: 13
Last. Rainer AbartH-Index: 20
view all 6 authors...
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#1Elizaveta Kovaleva (University of the Free State)H-Index: 5
#2D. A. Zamyatin (UrFU: Ural Federal University)H-Index: 3
Last. Gerlinde Habler (University of Vienna)H-Index: 13
view all 3 authors...
2 CitationsSource
#1Amir Blazevic (University of Vienna)H-Index: 5
#2Mihaela AlbuH-Index: 11
Last. Tetyana Milojevic (University of Vienna)H-Index: 4
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The tungsten-microbial interactions and microbial bioprocessing of tungsten ores, which are still underexplored, are the focus of the current study. Here we show that the biotransformation of tungsten mineral scheelite performed by the extreme thermoacidophile Metallosphaera sedula leads to the breakage of scheelite structure and subsequent tungsten solubilization. Total soluble tungsten is significantly higher in cultures containing M. sedula grown on scheelite than the abiotic control, indicat...
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#1Semir Tulić (University of Vienna)H-Index: 1
#2Thomas Waitz (University of Vienna)H-Index: 21
Last. Viera Skakalova (University of Vienna)H-Index: 25
view all 11 authors...
Aberration-corrected transmission electron microscopy of the atomic structure of diamond–graphite interface after Ni-induced catalytic transformation reveals graphitic planes bound covalently to the diamond in the upright orientation. The covalent attachment, together with a significant volume expansion of graphite transformed from diamond, gives rise to uniaxial stress that is released through plastic deformation. We propose a comprehensive model explaining the Ni-mediated transformation of dia...
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#1Roman SchusterH-Index: 1
#2Gerlinde HablerH-Index: 13
Last. Rainer AbartH-Index: 20
view all 5 authors...
#1Roman Schuster (University of Vienna)H-Index: 1
#2Gerlinde Habler (University of Vienna)H-Index: 13
Last. Rainer Abart (University of Vienna)H-Index: 20
view all 4 authors...
Abstract Calcite powder aggregates were deformed to shear strains up to 80 by high-pressure torsion at temperatures of 235 and 450 °C and confining pressures of 1–4 GPa. At 235 °C the deformation occurs by twinning and limited dislocation creep as well as by brittle processes. In contrast, subgrain rotation recrystallization is the predominant deformation mechanism at 450 °C. The high confining pressures affect the microstructural evolution by inhibiting crack nucleation and propagation and by c...
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