The workshop is held at the Max-Born-Saal directly adjacent to IKZ. The address is Carl-Scheele-Str. 6 in Berlin-Adlershof, 12489 Berlin, Germany. The venue has rooms for the conference room, posters/exhibition, and coffee breaks. It can be easily accessed from the city or the airport by public transport using the local trains (S-Bahn) to stations "Adlershof" or "Schöneweide" and then with the tramway (lines M17 and 63 ) to station "Karl-Ziegler-Str." (or a 15 mins. walk from "Adlershof"). Public transport runs at least every 15 minutes between 6:00 am and 0:30 am.

Different from previous meetings, IWCGT-9 will be organized in the form of an academic summer school. This means: Registration is mandatory, but we will not charge any conference fee, and attendance to the workshop is is free of any charge. The venue as well as coffee breaks and small refreshments will be sponsored. Lunch and dinner restaurants are in walking distance, but just as with travel and accommodation - all of this has to be organized and paid by each attendant individually. We will provide a list of nearby hotels on request.

• 15 January 2026: Registration and abstract submission starts
• 20 April 2026: Abstract submission deadline (late abstracts are possible)
• 8 June 2026: IWCGT-9 starts
• 11 June 2026: IWCGT-9 ends

The lectures are by invitation only, regular participants will present posters, subject to abstract submission and acceptance by the conference organizing committee.

Abstract submission is open! Just send your abstract by email to iwcgt-9ikz-berlin.de.

The abstract size is one A4-page in PDF format. Please take care to save your document in PDF/A format so that all fonts are embedded; e.g. in Word, export (rather than print) to PDF and in the options dialog available during saving, check the "PDF/A compatible" option.

The author should include figures, tables, and references within the one page limit. The title should be placed at the top of the abstract, followed by the authors' names, affiliations, and e-mail address of the presenting author, a blank line, and the main text (optionally with figures). Acknowledgements and references might be added at the end of the abstract.

The abstract should have the following format:

• Paper size: A4
• Margins: 2.0 cm margins on all sides.
• Font style: "Times New Roman" or" Times" is recommended.
• Font size: 12 pt bold font is for title, 10 pt normal font for author names, affiliations, e-mail address, and main text. 9 pt normal font might be used for figure captions, table headings, footnotes, and references.
• The title, author names, affiliations, and email address lines should be centered. The main text should be blockquote.

Info for invited lecturers: We all equipment (laptop with Adobe Acrobar reader and Office 2019, beamer, laser pointer etc.) available. Of course you can also use your own laptop, but please provide adaptors for HDMI output.

Info for poster presenters: We have portrait poster walls that have a fixation area (inner border) of 145 cm vertical and 115 cm horizontal. We typically use DIN A0 posters (119 cm * 84 cm), but that's just a suggestion.

A book of abstracts will be provided at the workshop for all participants.

Accommodation needs to be booked by the participants themselves. The IKZ does not have a hotel service provider.

Airporthotel Berlin-Adlershof
Rudower Chaussee 14
12489 Berlin
Web: https://www.airporthotel-berlin-adlershof.de/
Phone: +49 30 720 22 22-000
Email: infoaha-hotel.de

Essential by Dorint - Berlin-Adlershof
Rudower Chaussee 15
12489 Berlin-Adlershof
Web: https://hotel-berlin-adlershof.dorint.com/de/
Phone: +49 30 67822-0
Email:info.berlin-adlershofdorint.com

Adapt Apartment Hotel Berlin
Erich-Thilo-Straße 3
12489 Berlin-Adlershof
Web: https://www.adaptapartments.de/
Phone: +49 30 678 929 80
Email: infoadaptberlin.de

Crystal growth has contributed to and enabled a substantial part of modern technology development, from piezoelectric, optical, and laser applications to today’s overwhelming photovoltaic market and booming use of electronic devices in information technology, communication, system control and power conversion. Producing crystals of higher perfection and at a lower cost is a prerequisite for their applications in any new functionalities, and efficient devices are the drivers of a rapidly changing world. Crystal growth technologists address these demanding requirements, and this workshop is where they meet.

The workshop is perceived as a meeting of experts in crystal growth technology, in which invited renowned speakers give an in-depth presentations about a particular problem or challenge in the application-oriented crystal growth, and attendees present posters about their own research work. In between, there will be sufficient space and breaks for fruitful discussions and networking opportunities.

This approach has been proven very successful over these years and is continued at IWCGT-9 as well, although this time not in a hotel, but in a lecture building. The retreat-type of scenery and surroundings of the venue and the program, including long enough coffee breaks for refreshing and the two evening poster sessions are means to stimulate deeper discussions and to set the stage for a lively networking atmosphere among the participants. All attendees and in particular, young researchers, are asked to prepare abstracts and to present their own work as posters - although this is of course not mandatory, you might as well attend without an own presentation.

We will feature an industrial exhibition during the workshop. We can also provide means to display your services and products, and we have opportunities for sponsoring that will highlight your support of the community. If you are interested to present your company or institute, meet the attendees and/or support us, please contact Radhakrishnan Sumathi. We have the right bundle for your successful participation!

• Matthias Bickermann, IKZ Berlin, Germany (Chair)
• R. Radhakrishnan Sumathi, IKZ Berlin, Germany (Co-Chair)
• Edith D. Bourret-Courchesne, LBNL, USA
• Mitch Chou, National Cheng Kung University, Taiwan
• Maria Vittoria Ciampolillo, MEMC Global Wafers, Italy
• Jeffrey J. Derby, Univ. Minnesota, USA
• John Frank, Luxium Solutions, USA
• Jochen Friedrich, Fraunhofer IISB, Germany
• Alexander Gektin, Inst. Single Crystals, Kharkov, Ukraine
• Peter G. Schunemann, OnSemi, USA
• Deren Yang, State Key Lab., Zhejiang Univ., China
• Kader Zaidat, Univ. Grenoble Alps & Krystalix, France
• Evgeny V. Zharikov

For any question or suggestion, and abstract submissions in regard to the IWCGT-9, please contact iwcgt-9ikz-berlin.de.

Organizers:

Matthias Bickermann
Phone: +49-30-24 64 99-102
Email: matthias.bickermannikz-berlin.de

R. Radhakrishnan Sumathi
Phone: +49-30-246499-401
Email: radhakrishnan.sumathiikz-berlin.de

Leibniz-Institut für Kristallzüchtung (IKZ)
Max-Born-Str. 2, 10489 Berlin, Germany
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