Ren Qiu

Researcher at Microstructure Physics

Ren started to work as a PhD student in the Materials Microstructure division in August 2017 after finishing a bachelor study in Materials Physics at Shandong University and a master study in Applied Physics at Chalmers University of Technology. His doctoral research is mainly concerned with microstructure characterization of hard materials, especially coatings produced by chemical vapour deposition (CVD). The main part of the work is to perform transmission electron microscopy (TEM) and associated techniques, including advanced sample preparation using focused ion beam (FIB) methods, energy dispersive X-ray spectroscopy (EDX) and energy-filtered TEM (EFTEM), electron energy loss spectroscopy (EELS), high resolution TEM (HR-TEM) and scanning TEM (HR-STEM). The doctoral project belongs to a research network including Uppsala University, the Royal Institute of Technology, Sandvik Coromant and Seco Tools.

Source: chalmers.se
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Showing 12 publications

2021

CVD TiAlN coatings with tunable nanolamella architectures

Ren Qiu, Olof Bäcke, Dirk Stiens et al
Surface and Coatings Technology. Vol. 413
Journal article
2021

Real-time imaging of Na+ reversible intercalation in "Janus" graphene stacks for battery applications

Jinhua Sun, Matthew Sadd, Philip Edenborg et al
Science advances. Vol. 7 (22)
Journal article
2021

Enhanced Thermoelectric Performance of Ba8Ga16Ge30 Clathrate by Modulation Doping and Improved Carrier Mobility

Yifei Zhang, Joakim Brorsson, Ren Qiu et al
Advanced Electronic Materials. Vol. 7 (2)
Journal article
2021

Kinetics of the low-pressure chemical vapor deposited tungsten nitride process using tungsten hexafluoride and ammonia precursors

Johan Gerdin Hulkko, Katalin Böőr, Ren Qiu et al
Journal of Vacuum Science and Technology A. Vol. 39 (6), p. 063403-
Journal article
2021

Atom probe tomography investigation of 3D nanoscale compositional variations in CVD TiAlN nanolamella coatings

Ren Qiu, Hisham Aboulfadl, Olof Bäcke et al
Surface and Coatings Technology. Vol. 426
Journal article
2021

Selective kinetic growth and role of local coordination in forming Al 2 TiO 5 -based coatings at lower temperatures

Sebastian Öhman, Ren Qiu, Tomas Edvisson et al
Materials Advances. Vol. 2 (17), p. 5737-5751
Journal article
2021

Inhibiting Effect of Heterogeneous Cations Aggregation Enhanced by Oxygen deficiency on Glass formation of BaTi2O5 melts

Xuan Ge, Jun Xu, Qiaodan Hu et al
Journal of the American Ceramic Society. Vol. in Press
Journal article
2020

Chemical vapor deposition of TiN on a CoCrFeNi multi-principal element alloy substrate

Katalin Böör, Ren Qiu, Axel Forslund et al
Surface and Coatings Technology. Vol. 393
Journal article
2020

Enhanced Thermoelectric Performance of Ba8Ga16Ge30 Clathrateby Modulation Doping and Improved Carrier Mobility

Yifei Zhang, Joakim Brorsson, Ren Qiu et al
Advanced Electronic Materials. Vol. In Press, p. 2000782-
Journal article
2020

Effects of gas flow on detailed microstructure inhomogeneities in LPCVD TiAlN nanolamella coatings

Ren Qiu, Axel Forslund, Olof Bäcke et al
Materialia. Vol. 9
Journal article

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