[ sulge aken ]

Elulookirjeldus (CV)
1.Eesnimi Andres
2.Perekonnanimi Udal
3.Töökoht Tallinna Tehnikaülikool (TTÜ), infotehnoloogia teaduskond,
elektroonikainstituudi rakenduselektroonika õppetool
4.Ametikoht vanemteadur
5.Sünniaeg 08.07.1955 (päev.kuu.aasta)
6.Haridus Tallinna Polütehniline Instituut (praegu TTÜ), elektroonikainsener, 1978
7.Teenistuskäik – van.teadur, TTÜ elektroonikainstituut, märts 1999 - k.a.
– teadur, TTÜ elektroonikainstituut, aug.1995 - veebr.1999
– doktorant, TTÜ elektroonikainstituut, aug.1994 - veebr.1999
– külalisteadur, Uppsala Ülikool, sept.1994 - mai 1995
– teaduslähetus, Darmstadti Tehnikaülikool, juuli-aug. 1994
– lektor, TTÜ elektroonikainstituut, aug.1992 - aug.1994
– van.õp., TTÜ Elektroonika kateeder, sept.1990 - aug.1992
– külalisteadur, USA-s firmas Silvaco Int., 1990-1992 (vaheaegadega, kokku 9 kuud)
– teadur, TPI Elektroonika kateeder, 1983 - 1990
– aspirant, TPI, 1980 - 1982
– lepinguliste tööde ins., TPI Elektroonika kat., 1978-1979
8.Teaduskraad - Tehnikateaduste doktor
- Tehnikamagister
9.Teaduskraadi välja
andnud asutus, aasta
TTÜ, 1999
TTÜ, 1992
10.Tunnustused – Koos prof. E.Velmre'ga teostatud ränikarbiidialased uuringud esitatud TTÜ poolt 2000.a. Eesti Vabariigi teaduspreemiate konkursile
- End. NSVL üliõpilaste teadustööde üleliidulise konkursi aukiri, 1979
11.Teadusorganisatsiooniline
ja –administratiivne
tegevus
– Rahvusvahelise Elektri- ja Elektroonikainseneride
ühingu (IEEE) liige, 1994 - k.a.
– Eesti Teadlaste Liidu liige, 2003 - k.a. (2005 - volikogu liige)
– TTÜ AÜ juhatuse liige, 2003 - k.a.
- ETF projekti nr. 5180 grandihoidja, 2002 - 2003
12.Juhendamisel kaitstud
väitekirjad

Irina Satšivkin (Verbitski), MSc, 2005, juh. Andres Udal. GaN ja GaAs pooljuhtstruktuuride numbriline modelleerimine arvestades rekombinatsioonkiirguse tagasineeldumise efekti. TTÜ

13.Teadustöö põhisuunad – pooljuhtmaterjalide ja -seadiste teooria ja modelleerimine
– pooljuhtseadiste simulaatorite väljatöötamine ja rakendamine
– pooljuhtseadiste projekteerimine
14.Jooksvad grandid - ETF projekt 5911 "Anisotroopsete elektriliste ja termoelektriliste mudelite ning seadisesimulaatorite väljatöötamine perpektiivsetele laia keelutsooniga pooljuhtidele SiC ja GaN" (2004-2006), grandihoidja
15.Teaduspublikatsioonid

Velmre E., Udal A., & Klopov M. (2005). Modeling of Photon Recycling in GaN-Devices. Material Science Forum, 483-485, 1039-1042.

Klopov M., Kuusk A., Velmre E., & Udal A. (2004). Ab Initio Study of GaN Properties Using VASP Software Package. Proc. of the 9th Baltic Electronics Conf. BEC2004 (Tallinn, Oct.3-6, 2004), pp. 55-58.

Velmre E., & Udal A. (2004). Comparison of Photon Recycling Effect in GaAs and GaN Structures. Proc. Estonian Acad. Sci. Eng., 10(3), 157-172.

Velmre E., Udal A., & Grivickas, V. (2004). High Phonon-Drag Thermoelectric Efficiency of SiC at Low Temperatures. Material Science Forum, 457-460, 693-696.

Velmre E., Udal A., & Verbitski I. (2004). Study of Radiative Recombination Influence in GaN and GaAs Bipolar Transistor Structures. Proc. of the 9th Baltic Electronics Conf. BEC2004 (Tallinn, Oct.3-6, 2004), pp. 59-62.

Bikbajevas V., Grivickas V., Stolzer M., Velmre E., Udal A., Grivickas P., Syvajarvi M., & Yakimova R. (2003). Impact of Phonon Drag Effect on Seebeck Coefficient in p-6H- SiC: Experiment and Simulation. Material Science Forum, 433-436, 407-410.

Velmre E., & Udal A. (2003). Modeling of Lattice Heat Conductivity and Thermopower in SiC Considering the Four-Phonon Scattering Processes. Material Science Forum, 433-436, 391-394.

Kurel R., & Udal A. (2002). Two-Dimensional Nonisothermal Analysis of the Current Crowding Eeffect at Nonuniform SiC Schottky Contacts Using Device Simulator DYNAMIT-2DT. Proc. of the 8th Baltic Electronics Conf. BEC2002 (Tallinn, Oct.6-9, 2002), pp. 51-54.

Grivickas V., Stolzer M., Velmre E., Udal A., Grivickas P., Syvajarvi M., Yakimova R., & Bikbajevas V. (2001). Thermopower Measurements in 4H-SiC and Theoretical Calculations Considering the Phonon Drag Effect. Material Science Forum, 353-356, 491-494.

Udal A., & Velmre E. (2000). Measurement of Charge Carrier Lifetime Temperature-Dependence in 4H-SiC Power Diodes. Material Science Forum, 338-342, 781-784.

Velmre E., & Udal A. (2000). A Theoretical Study of Electron Drift Mobility Anisotropy in n-Type 4H- and 6H-SiC. Material Science Forum, 338-342, 725-728.

Velmre E., & Udal A. (2000). Modelling of Charge Carrier Nonisothermal Transport in Silicon and Silicon Carbide. Proc. Estonian Acad. Sci. Eng., 6(2), 144-154.

Velmre E., & Udal A. (1999). Corrected Accounting of Electron-Hole Scattering in Cross-Term Current Equations for Si and SiC. Physica Scripta, T79, 193-197.

Udal A., & Velmre E. (1997). SiC-Diodes Forward Surge Current Failure Mechanisms: Experiment and Simulation. Microelectronics and Reliability, 37(10-11), 1671-1674.

Velmre E., Udal A., Masszi F., & Nordlander E. (1995). Investigation of Silicon Carbide Diode Structures via Numerical Simulations Including Anisotropic Effects. Simulation of semiconductor devices and processes, Vol.6, Ed. by H.Ryssel and P.Pichler, Springer-Verlag, (Proc. of SISDEP'95, Erlangen, Germany, Sept. 6-8, 1995), pp.340-343.

Velmre E., Udal A., Kocsis T., & Masszi F. (1994). A Theoretically Accurate Mobility Model for Semiconductor Drift-diffusion Simulation. Physica Scripta, T54, 263-267.

Udal A. (1983). Numerical Transient Analysis of a Bulk-Barrier Diode. Solid-State Electronics, 26(11), 1130-1131.

Velmre E., Freidin B., & Udal A. (1981). Numerical Analysis of the On-State of Diode Structures Based on Direct-Gap Semiconductors. Physica Scripta, 24(2), 468-471.

viimati muudetud: 28.09.2005

Curriculum Vitae (CV)
1.First Name Andres
2.Surname Udal
3.Institution Tallinn University of Technology, Faculty of Information Technology,
Electronics Department, Chair of Applied Electronics
4.Position senior researcher
5.Date of birth 08.07.1955 (day.month.year)
6.Education Tallinn Polytechnical Institute TPI
(later 1990-2003 TTU, currently TUT), electronics engineer, 1978
7.Research and
professional experience
– senior researcher, TTU(TUT) Electronics Dept., Mar.1999 - present time
– researcher, TTU Electronics Inst., Aug.1995 - Feb.1999
– Ph.D. student, TTU Electronics Dept., Aug.1994 - Feb.1999
– visiting researcher, Uppsala Univ., Sep.1994 - May 1995
– visiting researcher, Darmstadt TU, July-Aug. 1994
– lecturer, TTU Electronics Inst., Aug.1992 - Aug.1994
– sen.teacher. TTU Electronics chair, Sep.1990 - Aug.1992
– visitor in Silvaco Int. (USA), 1990 - 1992 (3 visits, total 9 months)
– researcher, TPI Electronics chair, 1983 - 1990
– postgraduate student, TPI Electronics chair, 1980-1982
– research engineer, TPI Electronics chair, 1978-1979
8.Academic degree – Doctor of Philosophy in Engineering
– Master of Technical Sciences
9.Dates and sites of
earning the degrees
TTU, 1999

TTU, 1992
10.Honours/awards - The silicon carbide research results obtained together with prof. E.Velmre nominated by TTU to Estonian Republic scientific works contests, 2000
- Former USSR student scientific research contest diploma, 1979
11.Research-administrative
experience
– IEEE member, 1994 - present time
– Estonian Union of Scientists member, 2003 - present time
(2005 - member of council)
– TTU Trade Union Board member, 2003 - present time
- Principal investigator of Estonian Science Foundation project 5180, 2002 - 2003
12.Supervised dissertations

Irina Satšivkin (Verbitski), MSc, 2005, superv. Andres Udal. GaN ja GaAs pooljuhtstruktuuride numbriline modelleerimine arvestades rekombinatsioonkiirguse tagasineeldumise efekti. TTÜ

13.Current research program – theory of semiconductor materials and devices
– development and application of semiconductor device simulators
– semiconductor device design
14.Current grant funding - Estonian Science Foundation, Project 5911 "Development of anisotropic electrical and thermoelectric parameter models and device simulators for novel wide band gap semiconductors SiC and GaN" (2004-2006), principal investigator
15.List of most important publications

Velmre E., Udal A., & Klopov M. (2005). Modeling of Photon Recycling in GaN-Devices. Material Science Forum, 483-485, 1039-1042.

Klopov M., Kuusk A., Velmre E., & Udal A. (2004). Ab Initio Study of GaN Properties Using VASP Software Package. Proc. of the 9th Baltic Electronics Conf. BEC2004 (Tallinn, Oct.3-6, 2004), pp. 55-58.

Velmre E., & Udal A. (2004). Comparison of Photon Recycling Effect in GaAs and GaN Structures. Proc. Estonian Acad. Sci. Eng., 10(3), 157-172.

Velmre E., Udal A., & Grivickas, V. (2004). High Phonon-Drag Thermoelectric Efficiency of SiC at Low Temperatures. Material Science Forum, 457-460, 693-696.

Velmre E., Udal A., & Verbitski I. (2004). Study of Radiative Recombination Influence in GaN and GaAs Bipolar Transistor Structures. Proc. of the 9th Baltic Electronics Conf. BEC2004 (Tallinn, Oct.3-6, 2004), pp. 59-62.

Bikbajevas V., Grivickas V., Stolzer M., Velmre E., Udal A., Grivickas P., Syvajarvi M., & Yakimova R. (2003). Impact of Phonon Drag Effect on Seebeck Coefficient in p-6H- SiC: Experiment and Simulation. Material Science Forum, 433-436, 407-410.

Velmre E., & Udal A. (2003). Modeling of Lattice Heat Conductivity and Thermopower in SiC Considering the Four-Phonon Scattering Processes. Material Science Forum, 433-436, 391-394.

Kurel R., & Udal A. (2002). Two-Dimensional Nonisothermal Analysis of the Current Crowding Eeffect at Nonuniform SiC Schottky Contacts Using Device Simulator DYNAMIT-2DT. Proc. of the 8th Baltic Electronics Conf. BEC2002 (Tallinn, Oct.6-9, 2002), pp. 51-54.

Grivickas V., Stolzer M., Velmre E., Udal A., Grivickas P., Syvajarvi M., Yakimova R., & Bikbajevas V. (2001). Thermopower Measurements in 4H-SiC and Theoretical Calculations Considering the Phonon Drag Effect. Material Science Forum, 353-356, 491-494.

Udal A., & Velmre E. (2000). Measurement of Charge Carrier Lifetime Temperature-Dependence in 4H-SiC Power Diodes. Material Science Forum, 338-342, 781-784.

Velmre E., & Udal A. (2000). A Theoretical Study of Electron Drift Mobility Anisotropy in n-Type 4H- and 6H-SiC. Material Science Forum, 338-342, 725-728.

Velmre E., & Udal A. (2000). Modelling of Charge Carrier Nonisothermal Transport in Silicon and Silicon Carbide. Proc. Estonian Acad. Sci. Eng., 6(2), 144-154.

Velmre E., & Udal A. (1999). Corrected Accounting of Electron-Hole Scattering in Cross-Term Current Equations for Si and SiC. Physica Scripta, T79, 193-197.

Udal A., & Velmre E. (1997). SiC-Diodes Forward Surge Current Failure Mechanisms: Experiment and Simulation. Microelectronics and Reliability, 37(10-11), 1671-1674.

Velmre E., Udal A., Masszi F., & Nordlander E. (1995). Investigation of Silicon Carbide Diode Structures via Numerical Simulations Including Anisotropic Effects. Simulation of semiconductor devices and processes, Vol.6, Ed. by H.Ryssel and P.Pichler, Springer-Verlag, (Proc. of SISDEP'95, Erlangen, Germany, Sept. 6-8, 1995), pp.340-343.

Velmre E., Udal A., Kocsis T., & Masszi F. (1994). A Theoretically Accurate Mobility Model for Semiconductor Drift-diffusion Simulation. Physica Scripta, T54, 263-267.

Udal A. (1983). Numerical Transient Analysis of a Bulk-Barrier Diode. Solid-State Electronics, 26(11), 1130-1131.

Velmre E., Freidin B., & Udal A. (1981). Numerical Analysis of the On-State of Diode Structures Based on Direct-Gap Semiconductors. Physica Scripta, 24(2), 468-471.

last updated: 28.09.2005

[ sulge aken ]