Doctoral student in SiC bipolar devices for power electronics

Karlstad University; Stockholms kommun; On-site; SEK 303,756 - 425,258; Full time

Benefits offered by this job

Monthly salary according to KTH's doctoral student salary agreement

Employee benefits

Job summary

Karlstad University is looking for a Doctoral student to engage in groundbreaking research on Silicon Carbide (SiC) bipolar devices for power electronics applications. This full-time position requires a master’s degree or equivalent and entails working in KTH’s Electrum Laboratory.

The role combines fabrication of advanced semiconductor devices with collaboration in a recognized SiC research group. The candidate should possess knowledge of power semiconductor devices and process technology.

Qualifications

• Completed second cycle degree (master's) or equivalent knowledge.
• Mandatory English requirement equivalent to English B/6.

Responsibilities

• Contribute to research on SiC bipolar devices.
• Fabricate and characterize new devices.
• Work in KTH’s Electrum Laboratory.

Skills

Experience with power semiconductor devices

Semiconductor process technology

Independent work

Collaboration skills

Professional approach

Problem analysis

Education

Master's degree or equivalent

240 higher education credits, with 60 second-cycle credits

Job description

Doctoral student in SiC bipolar devices for power electronics

Type of employment: Temporary position

Contract type: Full time

First day of employment: According to agreement

Salary: Monthly salary according to KTH's doctoral student salary agreement

Number of positions: 2

Full-time equivalent: 100%

City: Stockholm

County: Stockholms län

Country: Sweden

Reference number: PA-2026-1630

Last application date: 2026-08-31

Contact: Per-Erik Hellström, [e-mail]

Project Description

The position will contribute to cutting-edge research on Silicon Carbide (SiC) Bipolar Junction Transistor (BJT) and Insulated Gate Bipolar Transistor (IGBT) devices for next-generation power electronics applications. These devices are crucial for improving energy efficiency, performance, and reliability in industries such as renewable energy, electric vehicles, and industrial automation. The position involves fabrication and characterization of new devices in KTH’s Electrum Laboratory with a focus on semiconductor process technology to enhance device performance. The PhD will be part of an internationally recognized SiC research group and the EU project WBG Pilot line.

Supervision: Prof. Per-Erik Hellström.

Admission Requirements

• Passed a second cycle degree (for example a master's degree), or
• Completed course requirements of at least 240 higher education credits, of which at least 60 second-cycle higher education credits, or
• Acquired, in some other way within or outside the country, substantially equivalent knowledge.
• Mandatory requirement for English equivalent to English B/6.

Selection

• Independently pursue his or her work
• Collaborate with others
• Have a professional approach
• Analyze and work with complex issues
• Experience of power semiconductor devices and semiconductor process technology is meritorious

Employment Details

Only those admitted to postgraduate education may be employed as a doctoral student. The total length of employment may not be longer than what corresponds to full-time doctoral education in four years’ time. An employed doctoral student can, to a limited extent (maximum 20%), perform certain tasks within their role, e.g. training and administration. A new position as a doctoral student is for a maximum of one year, and then the employment may be renewed for a maximum of two years at a time.

As a doctoral student, you are entitled to a workplace with many employee benefits and monthly salary according to KTH’s Doctoral student salary agreement. Read more about Doctoral studies (PhD) at KTH.

Join us at KTH

KTH shapes the future through education, research and innovation. As a leading international technical university, we play an active role in advancing the transition towards a sustainable society. At KTH, you have the opportunity to grow and develop in a creative and dynamic environment, with good working conditions and attractive benefits. Equality, diversity and equal opportunities are essential to quality and form an integral part of KTH’s core values as a university and public authority.