Blank

West University of Timisoara

Blv. V Parvan 4, Timisoara 300223, Romania http://www.uvt.ro

West University of Timisoara

Blv. V Parvan 4, Timisoara 300223, Romania http://www.uvt.ro

Publications II

Articles presented at international conferences and published in the proceedings:

1. L. Braescu, S. Epure, T. Duffar, “Advances in computational modelling of crystals grown by the dewetted Bridgman process,” Proceedings of the XV^th International Workshop on the Physics of Semiconductor Devices (Delhi, India), pp. 36-41 (2009).

2. L. Braescu, “Nonlinear boundary value problem of the meniscus for the capillarity problems in crystal growth processes”, in Proceedings of 11^th WSEAS International Conference on Mathematical and Computational Methods in Science and Engineering (Baltimore, USA), pp. 197-202 (2009).

3. L. Braescu, “Static stability of the menisci in the case of semiconductor crystals grown by dewetted Bridgman technique,” in SPIE-Optics and Photonics 2009, (San Diego, California, USA, 2009), Proceedings of the Society of Photo-Optical Instrumentation Engineers 7420, 742005-1-11 (2009).

4. L. Braescu, T. F. George, C. Orbulescu, M. Leretter, “Dynamics of thrombin formation using a mathematical model including both intrinsic and extrinsic pathways of blood coagulation,” in Dynamics of Continuous, Discrete and Impulsive Systems (Series A), Proceedings 6^th International Conference on Differential Equations and Dynamical Systems (Baltimore, USA, 2008), Watam press, 16 (S1), pp. 75-82 (2009).

5. L. Braescu, T. F. George, “On the Critical Marangoni Numbers and Dopant Distribution in Silicon Fiber Grown From the Melt by the EFG Technique,” in Proceedings of the 10th WSEAS International Conference on Mathematical and Computational Methods in Science and Engineering (Nov 07-09, 2008 Bucharest ROMANIA), pg. 57-62 (2008).

6. T. F. George, L. Braescu, “Sapphire fibers grown from the melt by the EFG technique: Dependence of the impurity distribution on temperature and surface tension gradients,” in SPIE-Optics and Photonics 2008, (San Diego, California, USA, 2008), Proceedings of the Society of Photo-Optical Instrumentation Engineers 7056, 705603-1-10 (2008).

7. L. Braescu, T. F. George, “Arbitrary Lagrangian-Eulerian method for coupled Navier-Stokes and convection-diffusion equations with moving boundaries,” in Applied Mathematics for Science and Engineering, Proceedings of the 12^th WSEAS International Conference on Applied Mathematics – Math’07 (World Scientific and Engineering Academy and Society Press, Cairo, Egypt, 2007), pp. 33-36 – ISBN: 978-960-6766-27-5, ISSN: 1790-2769.

8. L. Braescu, T. F. George and S. Balint, “Evaluation and Control of the Dopant Distribution in a Nd:LiNbO₃ Fiber Grown from the Melt by the Edge-Defined Film-Fed Growth (EFG) Method,” in Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications (Optics and Photonics 2007), edited by R. Guo, S. S. Yin and F. T. S. Yu, Proceedings of the Society of Photo-Optical Instrumentation Engineers 6698, 669803-1-8 (2007).

9. St. Balint, L. Braescu, E. Kaslik, “Regions of attraction and control procedures in the case of a single crystal sheet grown by the EFG method,” in Proceedings of the 6^th International Conference on Nonlinear Problems in Aviation and Aerospace Sciences (Budapest, Hungary), edited by S. Sivasundaram (Cambridge Scientific Publishers, Cambridge, 2007), pp. 17-28 – ISBN: 978-1-904868-56-9.

10. L. Braescu, E. Kaslik, St. Balint, “Regions of attraction and control procedures in the case of a single crystal fiber grown by the EFG method,” in Proceedings of the 6^th International Conference on Nonlinear Problems in Aviation and Aerospace Sciences (Budapest, Hungary), edited by S. Sivasundaram (Cambridge Scientific Publishers, Cambridge, 2007), pp. 75-84 – ISBN: 978-1-904868-56-9.

11. S. Epure, L. Braescu, St. Balint, “On the effects of the vertical temperature gradient in the furnace in the case of a Nd:YAG cylindrical bar grown from the melt in a vacuum by the edge-defined film-fed growth method,” in Proceedings of the 6^th International Conference on Nonlinear Problems in Aviation and Aerospace Sciences (Budapest, Hungary), edited by S. Sivasundaram (Cambridge Scientific Publishers, Cambridge, 2007), pp. 179-187 – ISBN: 978-1-904868-56-9.

12. L. Tanasie, L. Braescu, St. Balint, “On the shape controllability of the tubular silicon crystals,” in Proceedings of the 6^th International Conference on Nonlinear Problems in Aviation and Aerospace Sciences (Budapest, Hungary), edited by S. Sivasundaram (Cambridge Scientific Publishers, Cambridge, 2007), pp. 775-784 – ISBN: 978-1-904868-56-9.

13. C. Orbulescu, L. Braescu, C. Dragoescu, St. Balint, “Mathematical modeling of blood coagulation system with direct thrombin inhibitors for use in anticoagulant therapy,” Proceedings of The 11^th Symposium of Mathematics and its Applications (Timisoara, Romania, 2006), pp.217-223.

14. E. Kaslik, L. Braescu, St. Balint, “On the controllability of the continuous-time Hopfield-type neural networks,” IEEE Transactions on Neural Networks - Seventh International Symposium on Symbolic and Numeric Algorithms for Scientific Computing – SYNASC 2005 (Timisoara, Romania, 2005), pp. 307-314.

15. L. Braescu, A. M. Balint, R. Szabo, St. Balint, “Minimization of the surface non-uniformity of a Nd:YVO₄ cylindrical bar grown by the edge-defined film-fed growth (EFG) system in low-gravity environment,” SPIE 50th Annual Meeting - Optics & Photonics 2005 (San Diego, California, USA, 2005), Proceedings of the Society of Photo-Optical Instrumentation Engineers, Vol. 5912, pp. 138-147 (2005).

16. L. Braescu, A. M. Balint, St. Balint, R. Szabo, “Minimization of the surface non-uniformity of a thin single crystal sheet grown by the edge-defined film-fed growth (EFG) method,” in Proceedings of The 9^th World Multi-Conference on Systemics, Cibernetics and Informatics (Orlando, Florida, USA, 2005).

17. L. Braescu, A. M. Balint, R. Szabo, St. Balint, “Minimization of the surface non-uniformity of a Nd:YVO₄ cylindrical bar grown by the edge-defined film-fed growth (EFG) method, when the pressure in the furnace changes,” Defense and Security Symposium (Orlando, Florida, USA, 2005), Proceedings of the Society of Photo-Optical Instrumentation Engineers, Vol. 5792, pp. 175-186 (2005).

18. L. Braescu, A. M. Balint, St. Balint, R. Szabo, “The silicon sheets for solar cells,” in Sustainability for Humanity and Environment in Extended Connection Field Science-Economy Policy. Materials for Reducing Energy Costs. Technology and Characterization (Polytechnic Publishing House, Timisoara, Romania, 2005), pp.97-100.

19. L. Braescu, A. M. Balint, St. Balint, “On the controllability of the shape of a LiNbO₃ bar grown from the melt in a vacuum by the EFG method,” in Proceedings of the Fifth International Conference on Nonlinear Problems in Aviation and Aerospace Sciences (Timisoara, Romania), edited by S. Sivasundaram (Cambridge Scientific Publishers, Cambridge, 2005), pp. 81-88 – ISBN: 1904898487.

20. L. Braescu, R. Szabo, A. M. Balint, St. Balint, “A control procedure for the diameter of a Nd:YVO₄ rutile, grown from the melt in a vacuum by the edge-defined film- fed growth method,” in Proceedings of the Fifth International Conference on Nonlinear Problems in Aviation and Aerospace Sciences (Timisoara, Romania), edited by S. Sivasundaram (Cambridge Scientific Publishers, Cambridge, 2005), pp. 73-80 – ISBN: 1904898487.

21. L. Braescu, A. M. Balint, St. Balint, “Model based prediction of the effects of the oscillations of the pressure in the furnace in the case of an EFG system,” in Proceedings of the Fifth International Conference on Nonlinear Problems in Aviation and Aerospace Sciences (Timisoara, Romania), edited by S. Sivasundaram (Cambridge Scientific Publishers, Cambridge, 2005), pp. 65-72 – ISBN: 1904898487.

22. L. Braescu, R. Szabo, A. M. Balint, St. Balint, “Model based optimization of the growth conditions of a Nd:YVO₄ cylindrical bar by the edge-defined film-fed growth method in a vacuum,” in Proceedings of the Fifth International Conference on Nonlinear Problems in Aviation and Aerospace Sciences (Timisoara, Romania), edited by S. Sivasundaram (Cambridge Scientific Publishers, Cambridge, 2005), pp. 97-104 – ISBN: 1904898487.

23. L. Braescu, A. M. Balint, L. Nanai, St. Balint, “A model based control procedure for the shape of a Nd:YAG cylindrical bar grown by the edge-defined film-fed growth method when the pressure in the furnace oscillates,” in Proceedings of the Fifth International Conference on Nonlinear Problems in Aviation and Aerospace Sciences (Timisoara, Romania), edited by S. Sivasundaram (Cambridge Scientific Publishers, Cambridge, 2005), pp. 57-64 – ISBN: 1904898487.

24. L. Braescu, A. M. Balint, St. Balint, “Model-based optimization of some growth process parameters of a Nd: YAG cylindrical bar grown by the edge-defined film-fed growth method,” in Proceedings of the Fifth International Conference on Nonlinear Problems in Aviation and Aerospace Sciences (Timisoara, Romania), edited by S. Sivasundaram (Cambridge Scientific Publishers, Cambridge, 2005), pp. 89-96 – ISBN: 1904898487.

25. L. Braescu, R. Szabo, A. M. Balint, St. Balint, “Optimization of the growth conditions of a Nd:YVO₄ cylindrical bar,” in 21^th International Congress of Theoretical and Applied Mechanics (Warsaw, Poland, 2004).

26. L. Braescu, A.M. Balint, St. Balint, “The effect of the meniscus weight on the diameter control of the silicon filament, grown from the melt in a vacuum by the E.F.G. method,” in Proceedings of the 4^th International Conference on Non-Linear problems in Aviation and Aerospace (Melbourne, Florida, USA, 2002), pp. 57-64.

27. L. Braescu, St. Balint, “The Numerical determination stationary states of the system which governs the evolution of the radius and of the height of the crystallization front in the case of silicon filaments grown by the EFG method,” in Acta Technica Napocensis (Cluj – Napoca Romania), Vol. 1/44, pp.67-74 (2001).

28. L. Braescu, A. M. Balint, St. Balint, I. Jadaneantu, “The growth of a silicon sheet with pre-established piece-wise constant half-thickness grown from the melt in a vacuum by the E.F.G. method,” in Proceedings of the Conference Homogenization and Applications to Material Science (Timisoara, Romania, 2001), pp. 33-42.

29. L. Braescu, A.M. Balint, St. Balint, “Admissible maneuvers in the melt temperature at the meniscus basis for filaments grown from the melt in a vacuum by the E.F.G. method,” in Proceedings of the 9^th Symposium of Mathematics and Its Applications (Timisoara, Romania, 2001), pp. 245-251.

30. L. Braescu, A.M. Balint, St. Balint, I. Jadaneantu, “Model based simulation of the control of the half-thickness of a silicon sheet grown from the melt in a vacuum by E.F.G. method, through the change of the pulling rate,” in Proceedings of the 9^th Symposium of Mathematics and its Applications (Timisoara, Romania, 2001), pp. 252-259.

31. L. Braescu, “The linear operators positively defined of row spaces,” in Proceedings of the Fifth Symposium of Mathematics and Its Applications (Mirton Publishing House, Timisoara, Romania, 1993), pp. 45-51.

Presentations at international conferences (in addition to the above proceedings):

1. L. Braescu, “On the critical Marangoni numbers and control of the impurity distribution in single crystal fibers grown by EFG technique,” The 17^th American Conference on Crystal Growth and Epitaxy (Lake Geneva, Wisconsin, 2009).

2. L. Braescu, S. Epure, T. Duffar, “Shape of the meniscus for semiconductor crystals grown in terrestrial dewetted Bridgman: case of high apparent contact angle,” The 6^th International Conference High Temperature Capillarity (Athens, Greece, 2009)

3. L. Braescu, “Nonlinear boundary value problem of the meniscus for the terrestrial dewetted Bridgman crystal growth technique,” Joint Mathematics Meetings 2009, AMS Session on Partial Differential Equations (Washington DC, USA, 2009).

4. L. Braescu, T. F. George, “Dependence of the Marangoni flow and impurity distribution on the vertical temperature gradient during the growth of aluminum-doped silicon fibers by the EFG technique,” The 6^th International Conference on Differential Equations and Dynamical Systems (Baltimore, USA, 2008).

5. L. Braescu, T. F. George, S. Epure “Numerical determination of the impurity distribution induced by surface tension gradients in an aluminum-doped silicon ribbon grown from the melt by the EFG method,” European Materials Research Society Spring Meeting (Strasbourg, France, 2008).

6. L. Braescu, T. F. George, St. Balint, “Mass transfer analysis in the case of a Nd:YVO₄ cylindrical bar grown from the melt by the edge-defined film-fed growth (EFG) method,” European Computing Conference (Athens, Greece, September 25-27, 2007).

7. S. Epure, T. Duffar, L. Braescu, “Effect of the gap on the curvature of the solid-liquid interface during dewetted Bridgman crystal growth,” 3^rdInt. Symposium on Physical Sciences in Space (Nara, Japan, 22-26 October 2007).

8. L. Braescu, “The effect of the buoyancy and Marangoni forces on the dopant distribution in the case of a single crystal rod grown from the melt by the edge-defined film-fed (EFG) method,” 6th Congress of Romanian Mathematicians (Bucharest, Romania, 2007).

9. St. Balint, L. Braescu, L. Sylla, S. Epure, T. Duffar, “Dependence of the meniscus shape on the pressure difference in the dewetted Bridgman process,” 15^th International Conference on Crystal Growth (Salt Lake City, Utah, USA, 2007).

10. S. Epure, T. Duffar, L. Braescu, “Effect of the gap on the curvature of the solid-liquid interface during dewetted Bridgman crystal growth,” 15^th International Conference on Crystal Growth (Salt Lake City, Utah, USA, 2007).

11. L. Braescu, “The dependence of the dopant distribution on the pulling rate and on the capillary channel radius in the case of a Nd:YVO₄ cylindrical bar grown from the melt by the EFG method,” European Materials Research Society Spring Meeting (Strasbourg, France, 2007).

12. S. Epure, L. Sylla, Th. Duffar, L. Braescu, St. Balint, “Advances in the domain of dewetting,” Colloque du GDR MFA (Frejus, France, 2006).

13. L.Braescu, St. Balint, “The dependence of the Al impurity distribution on the pulling rate and on the capillary channel radius in the case of a thin Si rod grown from the melt by the EFG method, in terrestrial conditions,” 5th International Workshop on Modeling in Crystal Growth (Bamberg, Germany, 2006).

14. L.Braescu, St. Balint, “Coupling of the Incompressible Navier-Stokes, moving mesh (ALE) and convection-diffusion application modes in the EFG method,” 5th International Workshop on Modeling in Crystal Growth (Bamberg, Germany, 2006).

15. S. Epure, L. Braescu, St. Balint, “Modeling the effects of the vertical temperature gradient in the furnace in an edge-defined film-fed growth technique,” European Materials Research Society Spring Meeting (Nice, France, 2006).

16. L. Braescu, A. M. Balint, R. Szabo, St. Balint, “Model based optimization of the surface non-uniformity of a crystal grown from the melt by the edge-defined film-fed (E.F.G.) method,” Conference on Differential & Difference Equations and Applications (Melbourne, Florida, USA, 2005).

17. L. Braescu, A. M. Balint, R. Szabo, St. Balint, “Model based control procedure of the crystal shape grown from the melt by the EFG method,” Conference on Differential & Difference Equations and Applications (Melbourne, Florida, USA, 2005).

18. A. M. Balint, L. Braescu, St. Balint, “Minimization of the surface non-uniformities of a single crystal rod grown from the melt by the edge-defined film-fed growth (EFG) method,” 22nd IFIP TC 7 Conference on System Modeling and Optimization (Turin, Italy, 2005).

19. L. Braescu, A. M. Balint, St. Balint, R. Szabo, “On the controllability of a shape of a thin single crystal rod grown from the melt by the edge-defined film-fed growth (EFG) method,” 22nd IFIP TC 7 Conference on System Modeling and Optimization (Turin, Italy, 2005).

20. L. Braescu, A. M. Balint, St. Balint, R. Szabo, “Minimization of the surface non-uniformities of a thin single crystal sheet grown from the melt by the edge-defined film-fed growth (EFG) method,” 22nd IFIP TC 7 Conference on System Modeling and Optimization (Turin, Italy, 2005).

21. St. Balint, L. Braescu, A. M. Balint, R. Szabo, “On the controllability of a shape of a thin single crystal sheet grown from the melt by the edge-defined film-fed growth (EFG) method,” 22nd IFIP TC 7 Conference on System Modeling and Optimization (Turin, Italy, 2005).

22. L. Braescu, A. M. Balint, St. Balint, “Model based optimization of some growth process parameters of a Nd:YAG cylindrical bar grown by the edge-defined film-fed growth method in conditions of the pressure,” European Materials Research Society Spring Meeting 2004 (Strasbourg, France, 2004).

23. L. Braescu, A. M. Balint, St. Balint, “Model based prediction of the effects of the oscillations of the pressure in the furnace in the case of an EFG system,” European Materials Research Society Spring Meeting 2004 (Strasbourg, France, 2004).

24. L. Braescu, A. M. Balint, St. Balint, “A model based control procedure for the shape of an Nd:YAG cylindrical bar grown by the EFG method when the pressure in the furnace changes,” 14^th International Conference on Crystal Growth (Grenoble, France, 2004).

25. L. Braescu, A. M. Balint, St. Balint, “Model-based optimization of some growth process parameters of a Nd:YAG cylindrical bar grown by the EFG method in the presence of pressure,” 14^th International Conference on Crystal Growth (Grenoble, France, 2004).

26. L. Braescu, A. M. Balint, St. Balint, “Model based prediction of the effects of the oscillations of the pressure in the furnace in the case of the EFG method,” 14^th International Conference on Crystal Growth (Grenoble, France, 2004).

27. L. Braescu, R. Szabo, A. M. Balint, St. Balint, “Optimization of the growth conditions of a cylindrical bar grown in a vacuum by the edge-defined film-fed growth method,” Nano and Giga Challenges in Microelectronics (Cracow, Poland, 2004).

28. L. Braescu, A.M. Balint, St. Balint, “On the stability of the shape of a LiNbO₃ bar grown from the melt in a vacuum by the E.F.G. method,” New Trends in Continuum Mechanics (Constantza, Romania, 2003).

29. L. Braescu, A.M. Balint, St. Balint, I. Jadaneantu, “Modeling of the temperature changes by adequate changes of the pulling rate in the case of sheets and filaments grown from the melt in a vacuum by the E.F.G. method,” Congress on Applied Mathematics and Applications of Mathematics (Nice, France, 2003).

30. L. Braescu, A.M. Balint, St. Balint, “Numerical estimation of the pulling rate and melt temperature ranges in the case of thin filament grown by the E.F.G. method,” European Materials Research Society Spring Meeting (Strasbourg, France, 2002).

31. L. Braescu, A. M. Balint, St. Balint, “The control of the half-thickness of a sheet grown from the melt in a vacuum by the E.F.G. method,” 6^eme Colloque Franco-Roumain de Mathematiques Appliquees (Perpignan, France, 2002).

32. L. Braescu, A.M. Balint, St. Balint, “The growth of a single crystal filament with pre-established piece-wise constant diameter cross-section from the melt in a vacuum by the E.F.G. Method,” 13^th International Conference on Crystal Growth (Kyoto, Japan, 2001).

33. L. Braescu, A.M. Balint, St. Balint, I. Jadaneantu, “Model-based simulation of the control of the half-thickness of a silicon sheet grown from the melt in a vacuum by the E.F.G. method, through the change of the melt temperature at the meniscus basis,” 9^th Symposium of Mathematics and Its Applications (Timisoara, Romania, 2001).

34. L. Braescu, St. Balint, ”Approximation numerique du menisque, qui apparaisse dans le processus de la croissance des tubes de silicium monocristaline, par la methode E.F.G,” 5^eme Colloque Franco-Roumain de Mathématiques Appliquées, (Constanta, Romania, 2000).