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You are interested in learning about business startup and innovation topics? Check out PIER events and activities in this field.

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PIER offers funding for seed projects, joint workshops or short visits of international colleagues in your field.

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Outstanding doctoral researchers of the PIER Helmholtz Graduate School (PHGS) can apply for a PHGS Travel Award to pay for travel to and participation in scientific events. Find out more...

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Here you can find all templates and information sheets that are important for your membership in the PIER Helmholtz Graduate School.

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You are a new international doctoral sresearcher and would like support during your first time in Hamburg? You are an experienced doctoral researcher and would like to support a new international doctoral researcher? Register here.

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You are starting a doctorate at DESY or Universität Hamburg and want to become a member of the PIER Helmholtz Graduate School? Here you can sign up.

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The PHGS curriculum is the core of the education of our members and is the basis for the PHGS Certificate and Transcript of Records.

Mostafa Vahdani - Interview

PORTRAIT | Education / Interview / Doctoral Researcher / PHGS

Mostafa Vahdani began his doctoral studies in September 2020 at DESY in Accelerator research in the Ultrafast Optics and X-rays research group. His dissertation on Electromagnetic design of high gradient Terahertz accelerators is supervised by Franz X. Kärtner. At the University of Tehran, Iran, Mostafa completed his Master’s degree in 2017 in Electrical Engineering. In an interview with us, he talks about his experience with the PHGS.

Image of Mostafa Vahdani/ / © DESY/Marta Mayer Marta Mayer/DESY
Can you describe in one or two sentences what you particularly like (most) about your current academic/working environment? 

My current working environment has a warm and friendly atmosphere.

If you like, please let us know what a typical working day looks like for you.

Most of the time I am busy with designing and simulating tiny THz accelerator components in the office. Sometimes I go to the lab and measure the fabricated devices and my implemented ideas. In the meantime, I meet my friends at lunch and sometimes for drinking a coffee at the CAFÉ CFEL.

Which offers of the PHGS did you already use?

I attended the onboarding meeting with Stefanie Tepass. In addition, I signed up for skills trainings and German and English language classes.

How did you benefit from the offers of PHGS? From which 2-3 offers have you benefited the most and in what way?

Language courses are very useful and helpful especially for a PhD student.  I also took one course in programing which is also necessary for most of the students.

Can you describe in one or two sentences why you think the PHGS is a useful institution for doctoral students?

Although we are far from the university campus, PIER provides us with very helpful programs, trainings and courses which is unique to have them at the DESY campus. This can keep the close relationship between the university and DESY.

What is/are your favorite place/s in Hamburg?

I like Hafencity and Speicherstadt.

Can you describe in one or two sentences what you particularly like (most) about your life in Hamburg or Hamburg as a city?

It’s a large beautiful city with a large number of attractions and has a moderate temperature in the winter and summer. But sometimes you miss the sun in the winter time :D 

Please finish the following sentence: I never regret to have come to Hamburg because…

… it is one the most beautiful cities in Europe and maybe in the world.


Meet Other People

Portrait of Jili Han, doctoral researchers
Jili Han, doctoral researchers
Jili Han began her doctoral studies in October 2021 in Nanoscience in the CHyN research group at the Universität Hamburg. Her research study in Nano technology is supervised by Wolfgang Parak.
Portrait of Blae Stacey, doctoral student
Blae Stacey, doctoral student
Blae Stacey started her doctoral studies in July 2022 at DESY in Accelerator Physics (Beam Diagnostics) in the MPY1 research group.
Portrait of Mahdi Mohammadi Bidhendi, doctoral researcher
Mahdi Mohammadi Bidhendi, doctoral researcher
Mahdi Mohammadi Bidhendi started his doctorate at DESY in the research group FS-FLASH-D in 2021.
Portrait of Christian Nweze, postdoctoral researcher
Christian Nweze, postdoctoral researcher
Christian Ikechukwu Nweze completed his doctoral studies in October 2022 in the field of Photon and Nanoscience at the Universität Hamburg.