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Condensed Matter Physics● OpenPreview

PhD on Defect Nucleation and Fracture in SmartCut Processes

Investigate crystalline defect nucleation and control fracture dynamics in microelectronic substrate manufacturing.

Best for:Best for materials scientists and physicists with a background in microelectronics and surface characterization.

UNIVERSITE GRENOBLE ALPES · Grenoble, France · R1 · First-stage researcher
More professors at UNIVERSITE GRENOBLE ALPES
microelectronicsfracture mechanicsdefect nucleationsemiconductor substratessurface roughness
Deadline
Nov 30, 2026
46 days
Funding
Salaried
CEA contract
Start date
2026-10-01
Fixed-term
Location
Grenoble
France

Overview

This doctoral position at Université Grenoble Alpes, in collaboration with LETI and Soitec, focuses on understanding and controlling defect nucleation during the SmartCut™ microelectronic fabrication process. The researcher will investigate how crystalline defects such as platelets influence post-fracture surface roughness and work on novel manufacturing processes to control nucleation. The successful candidate is expected to perform experimental characterization, develop advanced surface analysis protocols, and optimize silicon-on-insulator (SOI) substrate states. This project offers an exciting opportunity to bridge fundamental solid-state physics with industrial semiconductor applications.

SmartCutSOIsilicon-on-insulatorcrystalline defectsplateletsmaterial scienceLETISoitec

What you'll do

  • Investigate the physical phenomena underlying the SmartCut™ fracture stage and substrate fabrication
  • Analyze the evolution of crystalline defects and their direct impact on post-fracture surface roughness
  • Develop and refine advanced post-fracture surface analysis protocols
  • Design and test new processes to control defect nucleation and optimize substrate quality
  • Collaborate closely with industrial partner Soitec to align academic findings with industrial applications
  • Prepare scientific publications, technical reports, and present findings at international conferences

Requirements

Degree required: Master of Science or equivalent degree in Physics, Materials Science, or a related field

Degree offered: PhD

Language: English: None specified; French: None specified

Instruction: English / French

Required skills
  • Strong background in condensed matter physics or materials science
  • Experience with material characterization techniques and surface analysis
  • Analytical mindset with strong problem-solving skills for complex physical phenomena
  • Ability to work collaboratively in a joint academic and industrial research environment
Nice to have
Prior research experience in semiconductor processing or microelectronicsFamiliarity with transmission electron microscopy or advanced surface metrologyExperience in collaborating with industrial stakeholders

Funding & terms

Type
Salaried
Amount
CEA contract
Duration
36 months
Programme
CEA
CEA

How to apply

Deadline: 2026-11-30

Interested candidates should submit their application materials directly through the official application portal or contact the designated supervisor via email. Ensure all requested academic transcripts and identification documents are attached to the submission before the deadline.

Documents required
  • CV
  • Cover letter
  • Academic transcripts
↗Apply on site

Contact

Pablo Acosta Alba· Supervisor

Pablo.ACOSTAALBA@cea.fr

04 38 78 26 78

PA
Prof.
Pablo Acosta Alba
Département des Plateformes Technologiques
Lab
Laboratoire surface collage CMP implant découpe grinding
UNIVERSITE GRENOBLE ALPES
France
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