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Seeking a Postdoctoral Researcher (W22206)


Computational Condensed Matter Physics Laboratory
RIKEN Cluster for Pioneering Research
(Chief Scientist: Seiji Yunoki)

Research Field

The main focus of research is theoretical study of condensed matter physics based mostly on various computational methods.

Job title and Job description

Job title

Postdoctoral Researcher 1 position
(Postdoctoral Researcher is defined as those with a doctoral degree of 5 years or less.)

Job Description

Following the research plan of the research project “Development of functionally graded materials and application to spin devices by combining nano-structure control and computational science” (Research Director: Prof. Yukio Nozaki, Keio University) in JST CREST research aera “Revolutional material development by fusion of strong experiments with theory/data science” (Research Supervisor: Prof. Hideo Hosono, Tokyo Institute of Technology), theoretical study of spin current generation in graded materials with nanoscale control of interface properties and structures will be conducted.


Applicants should have a PhD in condensed matter physics or are expected to have a PhD in condensed matter physics before the employment. Experience of theoretical study for electron structure analysis or spintronics is required.

Work location

Branch and address

RIKEN Wako (2-1 Hirosawa, Wako, Saitama 351-0198)

Salary and benefits

  • 1.A one-year fixed-term employment contract, renewable based on evaluation, to the end date (March 31, 2025) of the external funding described above.
  • 2.RIKEN may adjust the above maximum period of renewability based on a) the employee’s abilities, work load at the time of contract completion, performance and work attitude and b) the continuation of the employee’s center, laboratory or project and RIKEN’s management situation and budget at the time. In principle, employment contracts will not be renewed for individuals older than 65 years.

In principle, the first two months of employment is considered a trial period.

Salary will be an annual salary based on experience, ability, and performance, and will consist of a base salary and a variable salary. The variable salary will be determined each fiscal year based on experience, ability, and performance. The monthly base salary is 295,100 JPY as of April 1, 2023. The monthly base salary and variable salary are subject to change due to amendments to RIKEN regulations.

Discretionary work, commuting and housing allowances will be provided. Social insurance will be applied.

The approximate amount of monthly salary at the time of employment:
The monthly salary including discretionary work allowance at the time of employment will be 331,685 JPY or more.

Mandatory membership in the RIKEN Mutual Benefit Society (RIKEN Kyosaikai).

This position falls under the specialized duties discretionary work system; one working day will be calculated as 7 hours and 30 minutes.

Days off include public holidays, New Year's holidays (Dec. 29 - Jan 3), and RIKEN Foundation Day.
Paid leave includes annual paid leave (up to 20 days depending on the month of employment), special paid leave (childcare, family nursing care, etc.), and work life balance holidays (up to 7 days depending on the month of employment).
There are also additional leave systems such as maternity leave, childcare leave, and family nursing care leave.
RIKEN has introduced telework as a temporary and special measure to prevent the spread of COVID-19. You may be asked to work from home according to the instructions of the institute. You can also choose to work from home with the permission of your supervisor.
Smoking is not permitted on site except in designated smoking areas. Smoking will be entirely prohibited on site from April 2024.
These and other provisions are in accordance with RIKEN regulations.

RIKEN is actively undertaking initiatives to promote gender equality and diversity, and moving forward with the establishment of a diverse and vibrant research environment. If multiple candidates are found to have the same aptitude following a fair assessment, active efforts will be made to recruit female candidates.

Also, eligible for an exemption from repayment for category 1 scholarship loans provided by the Japan Student Services Organization before fiscal year 2003, and eligible applying for the MEXT Grants-in-Aid for Scientific Research (Kakenhi).

The Wako Campus has an on-site daycare, RIKEN Kids Wako. For details, please send an email to the HR at kids [at] riken.jp.

Application and Required documents

Required documents

  • 1.Complete CV or CV (with photo and email address)
    • *Write the RIKEN job ad number “W22206”, indicated in the parentheses next to the job title, in the RIKEN job ad number section in the upper right corner of your CV.
  • 2.List of publications (including scientific papers, invited talks, oral presentations, poster presentations, external funds, and prizes and awards).
  • 3.Statement of research experience and plans (2-3 pages in A4 size).
  • 4.Copies of up to five your selected publications
  • 5.A letter of recommendation from the current supervisor (If unavailable, a letter from a substitute reference will be acceptable.)
  • 6.Consent form for handling personal information based on GDPR
    If you are a resident of the European Economic Area (EEA), you are required to submit the document, "Consent form for handling personal information based on GDPR" with your signature.

    *You will find detailed information about General Data Protection Regulation (GDPR) on the following website:
    Data protection | European Commission

How to apply

The above documents except the recommendation letters in PDF format combined into a single ZIP file should be uploaded to the following website:

Applications for Computational Condensed Matter Physics Laboratory

The file name of the ZIP should be “Computational_Condensed_Matter_Physics_Lab_(your name)_Application”. After you uploaded the ZIP file, please let us (yunoki [at] riken.jp) know the file name of the uploaded file.

Recommendation letters must be directly submitted from the referees to the URL above with the file name"
Computational_Condensed_Matter_Physics_Lab_(your name)_Recommendation". Please specify the applicant's name, referee's name and contact information in the recommendation letter.
After the referees uploaded the recommendation letter, please let us (yunoki [at] riken.jp) know the file name of the uploaded file.
If a confirmation email is not received within 7 days after submission, please contact: yunoki [at] riken.jp.

Note: Application documents will not be returned.


Open until the position is filled

Handling Personal Data

Submitted documents are strictly protected under the RIKEN Privacy Policy and will be used only for the purpose of applicant screening. Personal information will not be disclosed, transferred or loaned to a third party under any circumstances without just cause.

Selection process

Application screening and interview for selected applicants

Start of employment

April 1, 2023 (Negotiable)

Contact Information

Computational Condensed Matter Physics Laboratory, RIKEN Cluster for Pioneering Research
Email: yunoki [at] riken.jp
For inquiries, please send an email.