Acknowledgments
xix
Thiele, B. Wagner, and co-workers, is acknowledged. On the Physics side, I am
thankful to team members S. C. Lippert, M.-U. Halbich, who were successfully
involved and who carried out the experiments.
• Special thanks are devoted to Prof. T. F. Heinz, who generously hosted me twice
in his group for multiple weeks both at the Columbia University and after his
group’s transfer also at the Stanford University, for the excellent opportunity to
evidence 2D-materials research at the forefront, for the helpful discussions, and
for his support. This truly seeded my activities on 2D materials. The latter visit was
particularly refreshing, because I could evidence all the changes and modernisation on the campus and in the Physics Department. Moreover, I would like to thank
Y. Peterman and R. Sasaki, assistants of the Heinz group and formerly assistants
of the YY (‘Yoshi Yamamoto’) group, who had always time for my administrative
inquiries as a visiting scholar to both groups. I should once again acknowledge
the important support by (former cooperation partner) Prof. Y. Yamamoto, who
enabled previous stays in his group that became important milestones on my
academic journey.
• I am grateful to Dr. Y. D. Kim, Dr. A. Chernikov, Ö. B. Aslan, and others for
invaluable discussions on 2D materials and their properties that took place during
my stay in the Heinz group at the Columbia University, and Dres. Z. Ye, D. Sun, Y.
Li, and co-workers for the same during my stay in the Heinz group at the Stanford
University.
• Special thanks are devoted to Prof. E.-H. Yang, Dr. K. N. Kang, and co-workers
from the Stevens Institute of Technology, NJ, USA, for the fruitful collaboration,
valuable support, and indispensable sample supply. His group’s CVD-grown vdW
structures enabled numerous works in my team within joint research.
• Special thanks are devoted to Prof. J. C. Hone, Prof. K. Barmak, Dr. D. A. Rhodes,
O. Ajayi, S. S. Esdaille, and co-workers from the Columbia University, NY, USA,
for the fruitful collaboration, valuable support, and indispensable sample supply.
Their groups’ high-quality 2D materials, encapsulated stacks, and monolayer
heterostructures opened up new possibilities in my team’s research and led us to
new frontiers.
• I would like to thank Dr. T. Stroucken, Prof. S. W. Koch, Dr. U. Huttner, L. Meckbach, and co-workers in Marburg for the helpful cooperation concerning theoretical predictions of band structures of vdW monolayers, bilayers, and heterostructures, as well as monolayer dielectric functions, and Dr. O. Vänskä from the group
of Prof. M. Kira for the calculations for III/V-semiconductor heterostructures and
for many helpful discussions.
• Many thanks are devoted to Prof. C. Draxl, Humboldt Universität Berlin, who
enabled a cooperation project on 2D heterostructures (DFG RA2841/5-1), which
Dr. S. Edalati-Boostan and I targeted for joint research, by hosting the theory part
of the project in her group. Also, I would like to thank project partner Dr. EdalatiBoostan and co-workers in the ongoing project for their efforts to shed light on the
theoretical aspects of 2D-semiconductor heterobilayers. In this context, research
support by Prof. W. Heimbrodt (cooperation partner in the ongoing SFB1083,
xix
Thiele, B. Wagner, and co-workers, is acknowledged. On the Physics side, I am
thankful to team members S. C. Lippert, M.-U. Halbich, who were successfully
involved and who carried out the experiments.
• Special thanks are devoted to Prof. T. F. Heinz, who generously hosted me twice
in his group for multiple weeks both at the Columbia University and after his
group’s transfer also at the Stanford University, for the excellent opportunity to
evidence 2D-materials research at the forefront, for the helpful discussions, and
for his support. This truly seeded my activities on 2D materials. The latter visit was
particularly refreshing, because I could evidence all the changes and modernisation on the campus and in the Physics Department. Moreover, I would like to thank
Y. Peterman and R. Sasaki, assistants of the Heinz group and formerly assistants
of the YY (‘Yoshi Yamamoto’) group, who had always time for my administrative
inquiries as a visiting scholar to both groups. I should once again acknowledge
the important support by (former cooperation partner) Prof. Y. Yamamoto, who
enabled previous stays in his group that became important milestones on my
academic journey.
• I am grateful to Dr. Y. D. Kim, Dr. A. Chernikov, Ö. B. Aslan, and others for
invaluable discussions on 2D materials and their properties that took place during
my stay in the Heinz group at the Columbia University, and Dres. Z. Ye, D. Sun, Y.
Li, and co-workers for the same during my stay in the Heinz group at the Stanford
University.
• Special thanks are devoted to Prof. E.-H. Yang, Dr. K. N. Kang, and co-workers
from the Stevens Institute of Technology, NJ, USA, for the fruitful collaboration,
valuable support, and indispensable sample supply. His group’s CVD-grown vdW
structures enabled numerous works in my team within joint research.
• Special thanks are devoted to Prof. J. C. Hone, Prof. K. Barmak, Dr. D. A. Rhodes,
O. Ajayi, S. S. Esdaille, and co-workers from the Columbia University, NY, USA,
for the fruitful collaboration, valuable support, and indispensable sample supply.
Their groups’ high-quality 2D materials, encapsulated stacks, and monolayer
heterostructures opened up new possibilities in my team’s research and led us to
new frontiers.
• I would like to thank Dr. T. Stroucken, Prof. S. W. Koch, Dr. U. Huttner, L. Meckbach, and co-workers in Marburg for the helpful cooperation concerning theoretical predictions of band structures of vdW monolayers, bilayers, and heterostructures, as well as monolayer dielectric functions, and Dr. O. Vänskä from the group
of Prof. M. Kira for the calculations for III/V-semiconductor heterostructures and
for many helpful discussions.
• Many thanks are devoted to Prof. C. Draxl, Humboldt Universität Berlin, who
enabled a cooperation project on 2D heterostructures (DFG RA2841/5-1), which
Dr. S. Edalati-Boostan and I targeted for joint research, by hosting the theory part
of the project in her group. Also, I would like to thank project partner Dr. EdalatiBoostan and co-workers in the ongoing project for their efforts to shed light on the
theoretical aspects of 2D-semiconductor heterobilayers. In this context, research
support by Prof. W. Heimbrodt (cooperation partner in the ongoing SFB1083,