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Agham Posadas

Department of Physics

38H-index
245Paper Count
4.5KCitation Count
Published Papers 51
Publication Date
Enhancement of electro-optic response in BaTiO3 films integrated on Si via heating and cooling rate control
err2025-08-06
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errOAAI
errMarc Reynaud; Moaz Waqar; Chaojie Du; Agham B. Posadas; Xiaoqing Pan; Alexander A. Demkov
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High-Q Monolithic Ring Resonators in Low-Loss Barium Titanate on Silicon
err2025-04-23
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PREAI
errAmogh Raju; Divya Hungund; Dan Krueger; Zuoming Dong; Zarko Sakotic; Agham B. Posadas; Alexander A. Demkov; Daniel Wasserman
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Phonon-mediated temperature dependence of Er3+ optical transitions in Er2O3
err2024-02-28
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errOAAI
errDodson, Adam; Wu, Hongrui; Rai, Anuruddh; Apte, Sohm; OHara, Andrew; Lawrie, Benjamin; Wang, Yongqiang; Ueda, Akira; Krzyzanowska, Halina; Titze, Michael; Davidson, Jimmy; Hmelo, Anthony; Posadas, Agham B.; Demkov, Alexander A.; Pantelides, Sokrates T.; Feldman, Leonard C.; Tolk, Norman H.
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Monolithic Barium Titanate Modulators on Silicon-on-Insulator Substrates
err2023-11-28
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PREAI
errDong, Zuoming; Raju, Amogh; Posadas, Agham B.; Reynaud, Marc; Demkov, Alexander A.; Wasserman, Daniel M.
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Si-Integrated BaTiO3 for Electro-Optic Applications: Crystalline and Polarization Orientation Control
err2023-08-09
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PREAI
errReynaud, Marc; Huyan, Huaixun; Du, Chaojie; Li, Wente; Posadas, Agham B.; Pan, Xiaoqing; Demkov, Alexander A.
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Microstructural analysis and electro-optic properties of thick epitaxial BaTiO3 films integrated on silicon (001)
err2022-09-02
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errOAAI
errReynaud, Marc; Dong, Zuoming; Park, Hyoju; Li, Wente; Posadas, Agham B.; Warner, Jamie H.; Wasserman, Daniel; Demkov, Alexander A.
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Si-integrated ferroelectrics for photonics and optical computing
err2022-06-15
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PREAI
errDemkov, Alexander A.; Posadas, Agham B.
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Thick BaTiO3 Epitaxial Films Integrated on Si by RF Sputtering for Electro-Optic Modulators in Si Photonics
err2021-10-20
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errOAAI
errPosadas, Agham B.; Park, Hyoju; Reynaud, Marc; Cao, Wei; Reynolds, Jamie D.; Guo, Wei; Jeyaselvan, Vadivukkarasi; Beskin, Ilya; Mashanovich, Goran Z.; Warner, Jamie H.; Demkov, Alexander A.
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Growth and Structure of Strong Pockels Material Strontium Barium Niobate on SrTiO3 and Si by Molecular Beam Epitaxy
err2021-08-11
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errOAAI
errBeskin, Ilya M.; Kwon, Sunah; Posadas, Agham B.; Kim, Moon J.; Demkov, Alexander A.
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Electro-optic response in epitaxially stabilized orthorhombic mm2 BaTiO3
err2021-03-19
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PREAI
errReynaud, Marc; Chen, Pei-Yu; Li, Wente; Paoletta, Therese; Kwon, Sunah; Lee, Dae Hun; Beskin, Ilya; Posadas, Agham B.; Kim, Moon J.; Landis, Chad M.; Lai, Keji; Ekerdt, John G.; Demkov, Alexander A.
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Band offset modulation in Si-EuO heterostructures via controlled interface formation
err2019-10-16
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PREAI
errLi, Wente; Posadas, Agham B.; Demkov, Alexander A.
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Electron accumulation and charge neutrality level at the Eu/EuO interface
err2019-09-09
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errOAAI
errGao, Lingyuan; Guo, Wei; Posadas, Agham; Demkov, Alexander A.
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Piezoelectric modulation of nonlinear optical response in BaTiO3 thin film
err2018-09-24
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errOAAI
errKormondy, Kristy J.; Cho, Yujin; Posadas, Agham B.; Zheng, Lu; Lai, Keji; Wang, Qingxiao; Kim, Moon J.; He, Qian; Borisevich, Albina Y.; Downer, Michael C.; Demkov, Alexander A.
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Quantum Confinement in Oxide Heterostructures: Room-Temperature Intersubband Absorption in SrTiO3/LaAlO3 Multiple Quantum Wells
err2018-07-27
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errOAAI
errOrtmann, J. Elliott; Nookala, Nishant; He, Qian; Gao, Lingyuan; Lin, Chungwei; Posadas, Agham B.; Borisevich, Albina Y.; Belkin, Mikhail A.; Demkov, Alexander A.
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Large positive linear magnetoresistance in the two-dimensional t2g electron gas at the EuO/SrTiO3 interface
err2018-05-16
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errOAAI
errKormondy, Kristy J.; Gao, Lingyuan; Li, Xiang; Lu, Sirong; Posadas, Agham B.; Shen, Shida; Tsoi, Maxim; McCartney, Martha R.; Smith, David J.; Zhou, Jianshi; Lev, Leonid L.; Husanu, Marius-Adrian; Strocov, Vladimir N.; Demkov, Alexander A.
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Hexagonal to monoclinic phase transformation in Eu2O3 thin films grown on GaN (0001)
err2017-10-02
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PREAI
errHadamek, Tobias; Shin, Donghan; Posadas, Agham B.; Demkov, Alexander A.; Kwon, Sunah; Wang, Qingxiao; Kim, Moon
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Multi-layered NiOy/NbOx/NiOy fast drift-free threshold switch with high Ion/Ioff ratio for selector application
err2017-06-22
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errOAAI
errPark, Jaehyuk; Hadamek, Tobias; Posadas, Agham B.; Cha, Euijun; Demkov, Alexander A.; Hwang, Hyunsang
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Ge(001) surface cleaning methods for device integration
err2017-06-19
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PREAI
errPonath, P.; Posadas, A. B.; Demkov, A. A.
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Zintl layer formation during perovskite atomic layer deposition on Ge (001)
err2016-12-19
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PREAI
errHu, Shen; Lin, Edward L.; Hamze, Ali K.; Posadas, Agham; Wu, HsinWei; Smith, David J.; Demkov, Alexander A.; Ekerdt, John G.
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