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Publications

1. "Energy barrier at the N719-dye/CsSnI3 iterface for photogenerated holesin dye-sensitized solar cells", Jin Zhang, Chunhui Yu, Lili Wang, Yizhi Li, Yuhang Ren, Kai Shum, Scientific Reports, 4, 6954 (2014).

 2. "Ultrafast optical detection of magnetic inhomogeneity in ferromagnetic La0.67Ca0.33MnO3", Y. Gong, Z. Zhang, D. Ascienzo, Y. Abranyos, H. B. Zhao, G. Lupke, Qi Li, Y. H. Ren, Europhysics Letters, 108, 17010 (2014).

3. "One-pot synthesis and characterization of chalcopyrite CuInSnanoparticles", Chivin Sun, Zehra Cevher, Jin Zhang, Bo Gao, Kai Shum, and Yuhang Ren, J. Mater. Chem. A, 2, 10629 (2014).

4. "First-principles study of structural phase transitions in CsSnI3", Chonglong Yu, Yuhang Ren, Zhuo Chen, Kai Shum, J. Appl. Phys. 114, 163505 (2013).

5. "Photoinduced Spin Precession in Fe/GaAs(001) Heterostructure with Low Power Excitation", H. C. Yuan, H. X. Gao, Y. Gong, J. Lu, X. H. Zhang, J. H. Zhao, Y. H. Ren, H. B. Zhao, and L. Y. Chen, Appl. Phys. Express, 6, 073008 (2013).

6. "Femtosecond Laser Pulse Induced Ultrafast Demagnetization in Fe/GaAs Thin Films", Y. Gong, A. R.  Kutayiah, Z. Cevher, X. H. Zhang, J. H. Zhao, and Y. H. Ren, IEEE TRANSACTIONS ON MAGNETICS, 49, 3199 (2013).

7. “Quasiparticle relaxation across the multiple superconducting gaps in the electron-doped BaFe1.85Co0.15As2”, Y. H. Ren, Y. Gong, T. Nosach, J. Li, J. J. Tu, L. J. Li, G. H. Cao, and Z. A. Xu, J. Appl. Phys. 111, 07E134 (2012).

8. “Schottky solar cells based on CsSnI3 thin-films” , Zhuo Chen, Jian. J. Wang, Yuhang Ren, Chonglong Yu, and Kai Shum, Appl. Phys. Lett. 101, 093901 (2012).

9. “Non-thermal excitation and control of magnetization in Fe/GaAs films by ultrafast laser pulses”, Y. Gong, X. H. Zhang, J. H. Zhao, R. Kutayiah, Z. Cevher, and Y. H. Ren, J. Appl. Phys. 111, 07D505 (2012).

10. “Coherent spin precession via photoinduced antiferromagnetic interactions in La0.67Ca0.33MnO3”,H. B. Zhao, D. Talbayev, X. Ma, Y. H. Ren, A. Venimadhav, Q. Li, G. Luepke, Phys. Rev. Lett., 107, 207205 (2011).

11. “Electric field modulation of surface anisotropy and magneto-dynamics in multiferroic heterostructures”, J. Lou, M. Liu, D. Reed, Y. H. Ren, N. X. Sun, J. Appl. Phys. 109, 07D731 (2011).

12. “Distinct quasiparticle relaxation dynamics in an electron-doped superconductor, BaFe1.9Ni0.1As2”, Y. Gong, W. Lai, T. Nosach, L. J. Li, G. H. Chao, Z. A. Xu, Y. H. Ren, New J. Phys. 12, 123003 (2010).

13. “Universal entangler with photon pairs in arbitrary states”, Bing He, Janos Bergou, and Yuhang Ren, J. Phys. B: At. Mil. Opt. Phys. 43, 025502 (2010).

14. “Optical properties of the iron arsenic superconductor BaFe1.85Co0.15As2”, J. J. Tu, J. Li, W. Liu, A. Punnoose, Y. Gong, Y. H. Ren, L. J. Li, G. H. Cao, Z. A. Xu, C. C. Homes, Phys. Rev. B 82, 174509 (2010).

15. “Giant electric field tuning of magnetism in novel multiferroic FeGaB/Lead Zinc Niobate-Lead Titanate (PZN-PT) heterostructures”, J. Lou, M. Liu, D. Reed, Y. H. Ren, N. X. Sun, Adv. Mat.  21, 4711 (2009).

16. “Ultrafast quasi-particle dynamics of charge/orbital ordered and ferromagnetic clusters in La(0.7)Ca(0.3)MnO(3)”, Y. H. Ren, M. Ebrahim, Z. A. Xu, G. Luepke, NEW J. Phys. 11, 113013 (2009).

17. “Magnetic anisotropy and spin wave relaxation in CoFe/PtMn/CoFe trilayer films”, Y. H. Ren, C. Wu, G. Yu, C. Pettiford, and N. X. Sun, J. App. Phys. 105, 073910 (2009).

18. “Ultrafast optical study of spin wave resonance and relaxation in CoFe/PtMn/CoFe trilayer films”, Y. H. Ren, C. Wu, Y. Gong, C. Pettiford, and Nian X. Sun, J. Appl. Phys. 105, 07D304 (2009).

19. “Time-resolved optical studies of spin and quasiparticle dynamics in in colossal magnetoresistance materials: La0.67Ca0.33 MnO3, La0.67Sr0.33MnO3, and Sr2FeMoO6”, Y. H. Ren, M. Ebrahim, H.B. Zhao, G. Luepke, Z. A. Xu, V. Adyam, and Qi Li, Phys. Rev. B 78, 014408 (2008).

20. “Ferromagnetic resonance studies of surface and bulk spin-wave modes in CoFe/PtMn/CoFe multilayer films”, Cheng Wu, Steven Greenbaum, Carl Pettiford, Nian X Sun, Yuhang Ren, J. Appl. Phys. 103. 07B525 (2008).

21. “Angular dependence of spin-wave resonance and relaxation in half-metallic Sr2FeMoO6 thin films”, Tetiana Nosach, Gabriella Mullady, Steven Greenbaum, Adyam Venimadhav, Qi Li, Yuhang Ren, J. Appl. Phys. 103. 07E311 (2008).

22.  “Universal discriminator for completely unknown optical qubits”, Bing He, Janos Bergou, Yuhang Ren, Phys. Rev. A 76, 032301 (2007).

23. “Generation and detection of coherent longitudinal acoustic phonons in the La0.67Sr0.33MnO3 thin films by femtosecond light pulses”, Y. H. Ren, M. Trigo, R. Merlin, Venimadhav Adyam, and Qi Li, Appl. Phys. Lett. 90, 251918 (2007).

24. “Light-induced magnetic precession in (Ga,Mn)As slabs: Hybrid standing-wave Damon-Eshbach modes”, D. M. Wang, Y. H. Ren, X. Liu, J. K. Furdyna, M. Grimsditch, and R. Merlin, Phys. Rev. B 75, 233308 (2007).

25. “Ultrafast magneto-optical Kerr study of standing spin waves in ferromagnetic GaMnAs films”, D. M. Wang, Y. H. Ren, X. Liu, Y. J. Cho, J. K. Furdyna, M. Grimsditch, and R. Merlin, Superlattices and Microstructures 41, 372 (2007).

26. “Anomalous first-to-zero sound crossover in La1-xCaxMnO3: hard solid shows soft side”, Yuhang Ren, G. Lüpke, Yufeng Hu, Qi Li, C. S. Hong, N. H. Hur, and R. Merlin, Phys. Rev. B 74, 012405 (2006).

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