04/09/2017

PhD student - Theoretical calculations (Employment contact)


  • ORGANISATION/COMPANY
    FluGaN
  • RESEARCH FIELD
    PhysicsComputational physics
  • RESEARCHER PROFILE
    First Stage Researcher (R1)
  • APPLICATION DEADLINE
    29/09/2017 00:00 - Europe/Brussels
  • LOCATION
    Poland › Warsaw
  • TYPE OF CONTRACT
    Temporary
  • JOB STATUS
    Full-time
  • HOURS PER WEEK
    40
  • OFFER STARTING DATE
    10/10/2017
  • REFERENCE NUMBER
    TEAM/2106-3/26

In the Project, we will explain the role of point defects (mainly Ga vacancies and hydrogen impurity) in decomposition of InGaN quantum wells. This decomposition occurs during MOVPE growth of p-type GaN above these wells in LEDs and laser diodes (LDs) emitting in blue/green spectral range, and is one of the main reasons why the efficiencies of green emitters have low efficiencies ("green gap"). In our recent research, we got for the first time indications that the InGaN decomposition is caused by strain-driven diffusion of point defects. To understand this phenomenon, we are planning to do a number of experiments changing growth parameters (doping, flows of reactants, pressure, temperature, etc) in epitaxial growth, as well as to do theoretical modelling of point defect and indium diffusion. The samples will be examined using a number of techniques in collaboration with other labs. As a result, we should find the way of avoiding the InGaN decomposition in LEDs and LDs.

Benefits

Full remuneration 6 500 PLN per month

(expected net salary at 4 500 PLN per month)

 

 

 

Selection process

 

The recruitment procedure is described in the TEAM call documentation in section 5.4 and available on the FNP website http://www.fnp.org.pl/assets/TEAM_Programme_Competition_Documentation_4_...

 

Recruitment interviews will be held on 3 October 2017 at

 

IHPP PAS in Warsaw, address: al. Prymasa Tysiąclecia 98 in the New

 

Technology Building, starting from 9.30 AM. In a case of a requirement

 

 it could be changed to the skype interview.

 

Web site for additional job details

Offer Requirements

  • REQUIRED EDUCATION LEVEL
    Physics: Master Degree or equivalent
  • REQUIRED LANGUAGES
    ENGLISH: Good

Skills/Qualifications

Key responsibilities include:

  1. Skills developing in the basics of quantum mechanical calculations in Density Functional Theory(DFT);
  2. Preparing ofthe configuration of atomic systems for modeling in xyz format;
  3. Calculation performingusing computational ab initioprograms: VASP, SIESTA QUANTUM ESPRESSO;
  4. Analysis of calculation results, formulation of conclusions up to the stage of preparation of scientific publications and presentation of results in seminars and conferences.

Specific Requirements

Profile of candidates/requirements:

1.Completed higher education studies in Physics or Electronics or Material Science or related.

2.Experience in the research undertaken on nitride semiconductors.

3. Motivation for the research work.

 

 

 

Map Information

Job Work Location Personal Assistance locations
Work location(s)
1 position(s) available at
Institute of High Pressure Physics Polish Academy of Sciences
Poland
Warsaw
01-424
Al. Prymasa Tysiaclecia 98

EURAXESS offer ID: 243095