International
			
				
				- 48. Electronic and vibrational properties of the 
				Ni-Cu magnetic alloy: a first principles study
                                I. Bustamante-Romero, O. De la Peña-Seaman, R. Heid, and K.-P. Bohnen.
                                XXI International Materials Research Congress, August 12-17 2012, Cancun, Quintana Roo,
				Mexico. [Poster]
                                 
				
				- 47. First principles study of the spin-orbit coupling
 				effect on the Tl-Pb-Bi superconducting alloys
                                O. De la Peña-Seaman, R. Heid, and K.-P. Bohnen.
                                APS March Meeting 2012, February 27-March 2 2012, Boston, MA, USA. 
				[Talk]
                                 
				
				- 46. Kohn anomalies in strained graphene
                                M.E. Cifuentes-Quintal, O. De la Peña-Seaman, R. de Coss, R. Heid, and 
				K.-P. Bohnen.
                                XX International Materials Research Congress, August 15-19 2011, Cancun, Quintana Roo, 
				Mexico. [Talk]
                                 
				- 45. First principles study of the electronic structure
				and phonon properties on double-layer manganites
                                O. De la Peña-Seaman, R. Heid, and K.-P. Bohnen.
                                XX International Materials Research Congress, August 15-19 2011, Cancun, Quintana Roo, 
				Mexico. [Talk]
                                 
			
				- 44. First principles study of the spin-orbit coupling
				 effect on the Tl-Pb-Bi superconducting alloys
                                O. De la Peña-Seaman, R. Heid, and K.-P. Bohnen.
                                DPG Spring Meeting 2011, March 13-18 2011, Dresden, Saxony, Germany. 
				[Talk]
                                 
			
				- 43. First principles study of the electronic structure
				and phonon properties on double-layer manganites
                                O. De la Peña-Seaman, R. Heid, and K.-P. Bohnen.
                                Psi-K Conference 2010, September 12-16 2010, Berlin, Germany. 
				[Talk]
                                 
			
				- 42. First principles study of vibrational properties for 
				strained graphene
                                M.E. Cifuentes-Quintal, O. De la Peña-Seaman, and R. de Coss.
                                XIX International Materials Research Congress, August 15-19 2010, Cancun, Quintana Roo, 
				Mexico. [Poster]
                                 
			
				- 41. First principles study of the electronic structure and phonon 
				properties on double-layer manganites
                                O. De la Peña-Seaman, R. Heid, and K.-P. Bohnen.
                                DPG Spring Meeting 2010, March 21-26 2010, Regensburg, Bavaria, Germany. 
				[Talk]
                                 
			
				- 40. First principles study of the electronic structure 
				and phonon properties on manganites
                                O. De la Peña-Seaman, R. Heid, and K.-P. Bohnen.
                                XVIII International Materials Research Congress, August 16-20 2009, Cancun, Quintana Roo, 
				Mexico. [Talk]
                                 
			
				- 39. First principles study of the Al- and C-doped 
				MgB2 : evolution of two gaps and critical temperature
                                O. De la Peña-Seaman, R. Heid, R. de Coss, and K.-P. Bohnen.
                                DPG Spring Meeting 2009, March 22-27 2009, Dresden, Germany. 
				[Talk]
                                 
			
				- 38. Lattice dynamics of RuO2 : bulk and (100) 
				surface
                                K.-P. Bohnen, R. Heid, and O. De la Peña-Seaman.
                                APS March Meeting 2008, March 10-14 2008, New Orleans, LA, USA. 
				[Talk]
                                 
			
				- 37. First principles study of the Al- and C-doped 
				MgB2 : evolution of two gaps and critical temperature
                                O. De la Peña-Seaman, R. Heid, R. de Coss, and K.-P. Bohnen.
                                APS March Meeting 2008, March 10-14 2008, New Orleans, LA, USA. 
				[Talk]
                                 
			
				- 36. First principles study of the electronic structure 
				and phonon properties for Al- and C-doped MgB2
                                O. De la Peña-Seaman, R. Heid, R. de Coss, and K.-P. Bohnen.
                                XVI International Materials Research Congress, October 28-November 1 2007, Cancun, 
				Quintana Roo, Mexico. [Talk]
                                 
			
				- 35. Ab-initio calculations of phonon properties and 
				electron-phonon interaction for alloys using the virtual crystal approximation
                                R. de Coss, O. De la Peña-Seaman, R. Heid, and K.-P. Bohnen.
                                XVI International Materials Research Congress, October 28-November 1 2007, Cancun, 
				Quintana Roo, Mexico. [Talk]
                                 
			
				- 34. First principles study of the electronic structure 
				and phonon properties for Al- and C-doped MgB2
                                O. De la Peña-Seaman, R. Heid, R. de Coss, and K.-P. Bohnen.
                                Third Graduate Student Physics Meeting CAM 2007, August 8-11 2007, Montreal, Canada. 
				[Talk]
                                 
			
				- 33. First principles study of the electronic structure 
				and phonon properties for Al- and C-doped MgB2
                                O. De la Peña-Seaman, R. Heid, R. de Coss, and K.-P. Bohnen.
                                APS March Meeting 2007, March 5-9 2007, Denver, CO, USA. 
				[Talk]
                                 
			
				- 32. Ab-initio calculations of phonon properties for 
				the Nb-Mo alloy using the virtual crystal approximation
                                O. De la Peña-Seaman, R. Heid, R. de Coss, and K.-P. Bohnen.
                                APS March Meeting 2007, March 5-9 2007, Denver, CO, USA. 
				[Talk]
                                 
			
				- 31. Ab-initio calculations of phonon properties for 
				superconducting alloys using the virtual crystal approximation
                                O. De la Peña-Seaman, R. Heid, R. de Coss, and K.-P. Bohnen.
                                XV International Materials Research Congress, August 20-24 2006, Cancun, Quintana Roo, 
				Mexico. [Talk]
                                 
			
				- 30. Electronic structure and magnetic properties of 
				the Ni1-xCux alloy
                                F. Ortiz, O. De la Peña-Seaman, A. Aguayo, and R. de Coss.
                                XIV International Materials Research Congress, August 21-25 2005, Cancun, Quintana Roo, 
				Mexico. [Poster]
                                 
			
				- 29. Electronic structure and optical properties of 
				Cu, Ag, and Au: first-principles calculations vs. experiments
                                J. de la Cruz, O. De la Peña-Seaman, G. Murrieta, and R. de Coss.
                                XIV International Materials Research Congress, August 21-25 2005, Cancun, Quintana Roo, 
				Mexico. [Poster]
                                 
			
				- 28. Electronic structure and elastic properties of the 
				Nb-Mo alloy: an ab-initio study using the virtual crystal approximation
                                O. De la Peña-Seaman, G. Murrieta, and R. de Coss.
                                XIV International Materials Research Congress, August 21-25 2005, Cancun, Quintana Roo, 
				Mexico. [Talk]
                                 
			
				- 27. Phonon renormalization and anharmonicity in 
				Al-doped MgB2
                                F. Ortiz, O. De la Peña-Seaman, A. Aguayo, and R. de Coss.
                                APS March Meeting 2005, March 21-25 2005, Los Angeles, CA, USA. 
				[Talk]
                                 
				
				- 26. Electronic structure of scandium doped 
				MgB2
                                O. De la Peña-Seaman, R. de Coss, S. Agrestini, and A. Bianconi.
                                APS March Meeting 2005, March 21-25 2005, Los Angeles, CA, USA. 
				[Talk]
                                 
				
				- 25. Electronic structure of scandium doped 
				MgB2
                                O. De la Peña-Seaman, R. de Coss, S. Agrestini, and A. Bianconi.
                                4th International Conference on Nanoscale Heterogeneity & Quantum Phenomena in Complex 
				Matter, Stripes04, September 26-October 2 2004, Rome, Italy. 
				[Poster]
                                 
				
				- 24. Electronic structure of Sc-doped 
				MgB2
                                O. De la Peña-Seaman, R. de Coss, S. Agrestini, and A. Bianconi.
                                XIII International Materials Research Congress, August 22-26 2004, Cancun, Quintana Roo, 
				Mexico. [Poster]
                                 
				
				- 23. Electronic topological transition and elastic 
				anomaly in Nb-Mo alloy
                                J. Alvarez, O. De la Peña-Seaman, G. Murrieta, R. de Coss, and 
				D. Papaconstantopoluos.
                                XIII International Materials Research Congress, August 22-26 2004, Cancun, Quintana Roo, 
				Mexico. [Poster]
                                 
				
				- 22. Electron-phonon coupling in Al and Na-doped 
				MgB2
                                F. Ortiz, O. De la Peña-Seaman, R. Quijano, A. Aguayo, and R. de Coss.
                                XIII International Materials Research Congress, August 22-26 2004, Cancun, Quintana Roo, 
				Mexico. [Poster]
                                 
				
				- 21. Structural and electronic properties of metallic 
				alloys: an ab-initio virtual crystal approximation study
                                O. De la Peña-Seaman, J. Alvarez, G. Murrieta, and R. de Coss.
                                MRS Fall Meeting 2003, December 1-4 2003, Boston, MA, USA. 
				[Poster]
                                 
				
				- 20. Scaling of the superconducting critical 
				temperature with the Fermi surface in Al and C-doped MgB2
                                O. De la Peña-Seaman and R. de Coss.
                                First Graduate Student Physics Meeting CAM 2003, October 24-26 2003, Merida, Yucatan, 
				Mexico. [Talk]
                                 
				
				- 19. Electronic topological transition in the 
				Nb1-xMox : a virtual crystal approximation study
                                J. Alvarez, G. Murrieta, O. De la Peña-Seaman, and R. de Coss.
                                First Graduate Student Physics Meeting CAM 2003, October 24-26 2003, Merida, Yucatan, 
				Mexico. [Poster]
                                 
				
				- 18. Ab-initio evidence of intrinsic anharmonicity in 
				superconducting Al-doped MgB2
                                F. Ortiz, O. De la Peña-Seaman, R. Quijano, A. Aguayo, and R. de Coss.
                                First Graduate Student Physics Meeting CAM 2003, October 24-26 2003, Merida, Yucatan, 
				Mexico. [Poster]
                                 
				
				- 17. Ab-initio evidence of intrinsic anharmonicity in 
				superconducting Mg1-xAlxB2
                                F. Ortiz, O. De la Peña-Seaman, R. Quijano, A. Aguayo, and R. de Coss.
                                XII International Materials Research Congress, August 17-21 2003, Cancun, Quintana Roo, 
				Mexico. [Poster]
                                 
				
				- 16. Effect of hole doping on the structural and 
				electronic properties of superconducting MgB2 : a virtual crystal approximation 
				study
                                O. De la Peña-Seaman and R. de Coss.
                                XII International Materials Research Congress, August 17-21 2003, Cancun, Quintana Roo, 
				Mexico. [Poster]
                                 
				
				- 15. Scaling of the superconducting critical 
				temperature with the Fermi surface in aluminium and carbon doped MgB2
				
                                R. de Coss and O. De la Peña-Seaman
                                XII International Materials Research Congress, August 17-21 2003, Cancun, Quintana Roo, 
				Mexico. [Talk]
                                 
				
				- 14. Ab-initio evidence of intrinsic anharmonicity in 
				superconducting Al-doped MgB2
                                R. de Coss, O. De la Peña-Seaman, F. Ortiz, R. Quijano, and G. Murrieta.
                                Ab-initio Understanding of Superconducting and Normal State Properties of MgB2 
				Workshop, July 2-4 2003, Rome, Italy. 
  				[Talk]
                                 
			
				- 13. Effect of aluminum and carbon doping on the 
				structural and electronic properties of superconducting MgB2
                                O. De la Peña-Seaman and R. de Coss.
                                Ab-initio Understanding of Superconducting and Normal State Properties of MgB2 
				Workshop, July 2-4 2003, Rome, Italy. 
  				[Poster]
                                 
			
				- 12. Ab-initio evidence of intrinsic anharmonicity 
				in superconducting Al-doped MgB2
                                R. de Coss, F. Ortiz, O. De la Peña-Seaman, R. Quijano, and G. Murrieta.
                                APS March Meeting 2003, March 3-7 2003, Austin, TX, USA, 
				Mexico. [Talk]
                                 
			
				- 11. Electronic structure of MgAlB4 :  
				a first principles study
                                R. Quijano, O. De la Peña-Seaman, and R. de Coss.
                                XI International Materials Research Congress, August 25-29 2002, Cancun, Quintana Roo, 
				Mexico. [Poster]
                                 
			
				- 10. Analysis of anharmonicity for the 
                                E2g phonon mode in Mg1-xAlxB2
                                F. Ortiz, O. De la Peña-Seaman, R. Quijano, G. Murrieta, and R. de Coss.
                                XI International Materials Research Congress, August 25-29 2002, Cancun, Quintana Roo, 
				Mexico. [Poster]
                                 
			
				- 09. Electronic structure of electron doped 
				MgB2: a comparative study of Al and C substitutions
                                O. De la Peña-Seaman and R. de Coss.
                                XI International Materials Research Congress, August 25-29 2002, Cancun, Quintana Roo, 
				Mexico. [Poster]
                                 
			
				- 08. Structural properties of electron doped 
				MgB2: a comparative study of Al and C substitutions
                                O. De la Peña-Seaman and R. de Coss.
                                XI International Materials Research Congress, August 25-29 2002, Cancun, Quintana Roo, 
				Mexico. [Poster]
                                 
			
				- 07. First-principles calculations and tight-binding 
				analysis for the band structure of MgB2 under pressure
                                R. Quijano, O. De la Peña-Seaman, and R. de Coss.
                                XI International Materials Research Congress, August 25-29 2002, Cancun, Quintana Roo, 
				Mexico. [Poster]
                                 
			
				- 06. Effect of electron doping on the structural and
				electronic properties of superconducting MgB2
                                O. De la Peña-Seaman, A. Aguayo, and R. de Coss.
                                APS March Meeting 2002, March 18-22 2002, Indianapolis, IN, USA. 
				[Poster]
                                 
			
				- 05. Effect and electron doping on structural and 
				electronic properties of MgB2
                                R. de Coss, O. De la Peña-Seaman, and  A. Aguayo.
                                7th WIEN Workshop APW+lo calculations with the new WIEN2k code, September 25-29 2001, 
				Vienna, Austria. [Talk]
                                 
			
				- 04. First-principles study of the electronic structure 				    and the pressure induced B1-B2 structural transition of NaCl: LDA vs GGA
                                O. De la Peña-Seaman, G. Murrieta, A. Aguayo, and R. de Coss.
                                7th WIEN Workshop APW+lo calculations with the new WIEN2k code, September 25-29 2001, 
				Vienna, Austria. [Poster]
                                 
			
				- 03. First-principles study of the pressure induced 
				B1-B2 structural transition in NaCl
                                O. De la Peña-Seaman, G. Murrieta, A. Aguayo, and R. de Coss.
                                International Conference on Advanced Materials ICAM 2001, August 26-30 2001, Cancun, 
				Quintana Roo, Mexico. [Poster]
                                 
			
				- 02. First-principles all-electron calculations of the 
				B1-B2 structural transition in NaCl
                                O. De la Peña-Seaman, G. Murrieta, and R. de Coss.
                                IX International Materials Research Congress, August 27-31 2000, Cancun, Quintana Roo, 
				Mexico. [Poster]
                                 
			
				- 01. First-prnciples total-energy calculations of the 
				electronic structure for SrS
                                A. Aguayo, O. De la Peña-Seaman, R. de Coss, and V. Sosa.
                                VIII International Materials Research Congress, August 29-September 2 1999, Cancun, 
				Quintana Roo, Mexico. [Poster]
                                 
			
			
		 
		
		
			National
			
				- 13. Propiedades electronicas y vibracionales de la aleacion 
			 	magnetica Ni-Cu: un estudio de primeros principios
                                I. Bustamante-Romero, O. De la Peña-Seaman, R. Heid, and K.-P. Bohnen.
                                LV Congreso Nacional de Fisica, October 8-12 2012, Morelia, Michoacan, Mexico. 
				[Talk]
                                 
				
				- 12. Estructura electronica del 
				Mg1-xScxB2
                                O. De la Peña-Seaman, R. de Coss, S. Agrestini, and A. Bianconi.
                                XLVII Congreso Nacional de Fisica, October 25-29 2004, Hermosillo, Sonora, Mexico.
				[Talk]
                                 
				- 11. Scaling of the superconducting critical temperature with the 
				Fermi surface in Al- and C-doped MgB2
                                O. De la Peña-Seaman and R. de Coss.
                                Primera Jornada Cientifica Cinvestav-Merida, November 5-7 2003, Merida, Yucatan, Mexico.
				[Poster]
                                 
				- 10. Superconductividad y anarmonicidad en el compuesto 
				superconductor MgB2 dopado con aluminio
                                F. Ortiz-Chi, O. De la Peña-Seaman, R. Quijano, A. Aguayo, and R. de Coss.
                                XLVI Congreso Nacional de Fisica, October 27-31 2003, Merida, Yucatan, Mexico.
				[Poster]
                                 
				- 09. Estudio de primeros principios de las propiedades 
				estructurales y electronicas del compuesto superconductor 
				Mg1-xNaxB2
                                O. De la Peña-Seaman and R. de Coss.
                                XLVI Congreso Nacional de Fisica, October 27-31 2003, Merida, Yucatan, Mexico.
				[Poster]
                                 
				- 08. Transiciones topologicas electronicas en la aleacion
				Nb1-xMox : un estudio de primeros principios
                                J. Alvarez, G. Murrieta, O. De la Peña-Seaman, and R. de Coss.
                                XLVI Congreso Nacional de Fisica, October 27-31 2003, Merida, Yucatan, Mexico.
				[Poster]
                                 
				- 07. Efecto de la concentracion de Al sobre la dinamica del modo 
				E2g en el compuesto Mg1-xAlxB2
                                F. Ortiz-Chi, O. De la Peña-Seaman, and R. de Coss.
                                XLV Congreso Nacional de Fisica, October 28-November 1 2002, Leon, Guanajuato, Mexico. 
				[Poster]
                                 
				- 06. Estudio comparativo de las propiedades estructurales y
				electronicas de los compuestos Mg1-xAlxB2 y 
				MgB2-xCx
                                O. De la Peña-Seaman and R. de Coss.
                                XLV Congreso Nacional de Fisica, October 28-November 1 2002, Leon, Guanajuato, Mexico. 
				[Poster]
                                 
				- 05. Evolucion de la estructura electronica del MgB2 
				bajo presion: ausencia de transiciones topologicas en la superficie de Fermi
                                R. Quijano, O. De la Peña-Seaman, and R. de Coss.
                                XLV Congreso Nacional de Fisica, October 28-November 1 2002, Leon, Guanajuato, Mexico. 
				[Poster]
                                 
				- 04. Estructura electronica del compuesto 
				Mg1-xAlxB2 : comparacion entre la aproximacion de banda rigida y la 
				aproximacion del cristal virtual
                                O. De la Peña-Seaman and R. de Coss.
                                XLV Congreso Nacional de Fisica, October 28-November 1 2002, Leon, Guanajuato, Mexico. 
				[Talk]
                                 
				- 03. Estudio de las propiedades estructurales y electronicas del 
				compuesto superconductor MgB2-xCx
                                O. De la Peña-Seaman and R. de Coss.
                                I Congreso de Estudiantes PRIORI (UADY), September 3 2002, Merida, Yucatan, Mexico. 
				[Talk]
                                 
				- 02. Efecto de la adicion de electrones sobre las propiedades 
				estructurales del MgB2 : calculos de primeros principios
                                O. De la Peña-Seaman, G. Murrieta, A. Aguayo, and R. de Coss.
                                XLIV Congreso Nacional de Fisica, October 15-19 2001, Morelia, Michoacan, Mexico. 
				[Talk]
                                 
				- 01. Estudio de la estructura electronica y las propiedades del 
				enlace SrS con un metodo ab-initio
                                O. De la Peña-Seaman, A. Aguayo, and R. de Coss.
                                XLII Congreso Nacional de Fisica, October 25-29 1999, Villahermosa, Tabasco, Mexico. 
				[Poster]