Alexander De Los Reyes
University of the Philippines Diliman
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Publication
Featured researches published by Alexander De Los Reyes.
AIP Advances | 2017
Jessica Afalla; Alexander De Los Reyes; Valynn Mag-usara; P Lorenzo LopezJr.; Kohji Yamamoto; Masahiko Tani; Armando Somintac; Arnel Salvador; Elmer Estacio
Simultaneous molecular beam epitaxial growth of GaAs/AlGaAs multiple quantum wells on two different substrates (one on GaAs (100) and another on a GaAs substrate misoriented by 4° in the (111) direction) resulted in samples of similar structure, but having different defect profiles. The on-axis sample had a higher defect density and more types of electron traps than the off-axis counterpart. Temperature-dependent terahertz (THz) emission and temperature-dependent photoluminescence were measured; in both cases, an intensity quenching was observed between 75 K – 250 K for the on-axis sample, but not in the off-axis sample. We attribute the THz emission quenching to the electron traps present in the sample, which decreases the photocarriers participating in setting up the surface field.
Thin Solid Films | 2018
Cyril P. Sadia; Lorenzo P. Lopez; Ramon delos Santos; Joselito Muldera; Alexander De Los Reyes; Mae Agatha Tumanguil; Christopher T. Que; Valynn Katrine Mag-usara; Masahiko Tani; Armando Somintac; Elmer Estacio; Arnel Salvador
Proceedings of the Samahang Pisika ng Pilipinas | 2018
Raisa Mustapha; Alexander De Los Reyes; John Daniel Vasquez; Miguel Bacaoco; Arnel Salvador; Armando Somintac; Elmer Estacio
Proceedings of the Samahang Pisika ng Pilipinas | 2018
Jairrus Braga Publico; Alexander De Los Reyes; John Daniel Vasquez; Karl Cedric V. Gonzales; Gerald Catindig; Elizabeth Ann Prieto; Rommel Jagus; Kerphy Liandro Patrocenio; Elmer Estacio; Arnel Salvador; Armando Somintac
Proceedings of the Samahang Pisika ng Pilipinas | 2018
Deborah Lumantas; Alexander De Los Reyes; Joselito O. Muldera; Lorenzo Lopez; Armando Somintac; Arnel Salvador; Elmer Estacio
Proceedings of the Samahang Pisika ng Pilipinas | 2018
Karl Cedric Gonzales; Elizabeth Ann Prieto; Gerald Catindig; Mae Agatha Cepeda Tumanguil-Quitoras; Alexander De Los Reyes; Maria Angela Faustino; Horace Andrew Husay; Armando Somintac; Arnel Salvador; Elmer Estacio
Proceedings of the Samahang Pisika ng Pilipinas | 2018
Ameera Jose; Anthony Montecillo; Joybelle Lopez; Alexander De Los Reyes; Miguel Bacaoco; Maria Angela Faustino; Arven Cafe; John Daniel Vasquez; Karl Cedric Gonzales; Gerald Catindig; Armando Somintac; Arnel Salvador; Elmer Estacio
Proceedings of the Samahang Pisika ng Pilipinas | 2018
Miguel Bacaoco; Elizabeth Ann Prieto; Karl Cedric Gonzales; Horace Andrew Husay; John Daniel Vasquez; Alexander De Los Reyes; Maria Angela Faustino; Arnel Salvador; Armando Somintac; Elmer Estacio
Proceedings of the Samahang Pisika ng Pilipinas | 2018
Alexander De Los Reyes; John Daniel Vasquez; Lorenzo Lopez; Hannah R. Bardolaza; Che-yu Chang; Der-jun Jang; Armando Somintac; Arnel Salvador; Elmer Estacio
Proceedings of the Samahang Pisika ng Pilipinas | 2017
Maria Angela Faustino; Lorenzo Lopez; Neil Irvin Cabello; Alexander De Los Reyes; Arven Cafe; Catherine Tugado; Vito Paolo C. Hernandez; Grace Barretto-Tesoro; Elmer Estacio
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