Article No.
Title : POSTECH Times Posted (Prof. Kettemann Stefan)


After the World Class University (WCU) Program was established at POSTECH, many new professors came here from overseas. We are going to meet two foreign professors and talk to them about their research areas, their life in POSTECH, and their impression of Postechians.

Meeting New Overseas Postechians With Enthusiasm
Prof. Stefan Kettemann

I met Prof. Stefan Kettemann from Germany in the APCTP main lobby. He is currently working as an associate professor of the Emergent Materials Research Group in the Division of Advanced Materials Science, POSTECH.
We talked about his research area and environment, his daily life in Pohang, and himself.

What are you working with in WCU?
POSTECH has three divisions in the program, which are the Integrative Bioscience & Biotechnology, the Division of IT Convergence Engineering and the Division of Advanced Materials Science. I belong to the Division of Advanced Materials Science and conduct research to find new advanced materials. Especially, I am interested in spintronics, solar cells, and thermoelectrics. I came here with one postdoctoral and one doctoral student to more efficiently continue what I have researched.

What did you do before you came to POSTECH?
I was teaching three classes per semester at Jacobs University in Bremen, Germany. Basically, I will stay at POSTECH for the Fall semester and go back to Germany to teach for the Spring semester. What I focus on at each university is research in POSTECH and lectures in Germany.

Did you know about POSTECH before receiving your job offer?
I formed a relationship with POSTECH when I participated in a workshop provided by APCTP a year ago. Since the professors working in chemistry and electronics at Jacobs University have interacted with those in POSTECH through this channel, POSTECH is well known among the professors. However, it’s not yet the case for students.

When you first came to Pohang, what is your first impression about it?
First, I was impressed by the various restaurants. As I like raw fish and sea food so much, I usually go out to eat dinner with my colleagues. Also, I’ll talk about people in Pohang. Though they can’t speak English well, they are very kind to answer my questions and willing to communicate through other tools such as body language and using a cellular phone. Finally, as a bad point, I was so shocked when a taxi driver didn’t seem to stop while I was crossing the crosswalk.

What do you do on weekends?
Since I enjoy riding a bicycle, I often ride my bicycle along the roads in the countryside on weekends. Also, I like jogging through the forest on campus and often play tennis.
You probably have had the chance to meet and talk with Postech students. What do you think of Postechians?
I am teaching graduate students in this semester. They are very hardworking and polite but they don’t speak much in class. They seem to hesitate to speak in English. The communication between professor and students is so important that I want to make an atmosphere where students can feel free to speak their opinions.

What is your aspiration when you were a university student?
As university student, I wanted to understand physics. Then, my interest was sparked in new high temperature superconductivity materials. Actually, my professor told that it’s impossible to observe high temperature superconductivity phenomena but an unprecedented thing happened the very next year. So I realized that there was a high possibility of finding the new phenomenon at I needed to prepare to understand an interesting discovery at any time.

Any last comment?
Although it’s hard to study, try to find what you are interested in and never give up. If you like something, nothing is too difficult. Ask yourself what you want and like and invest all your effort in it and try to improve it.

Reporter Cho Sung-won

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