Publications
Full list of publications and citations available at Google Scholar and Publon.
2021
96. S. Pan*, P. Valencia-Acuna, W. Kong, J. Liu, X. Ge, W. Xie, and H. Zhao*, Efficient interlayer electron transfer in a MoTe2/WS2/MoS2 trilayer heterostructure, Applied Physics Letters 118, 253106 (2021).
95. T. Zheng, X. Niu, H. Zhao, J. Wang, W. Zhao, J. Lu, and Z. Ni, Photoluminescence Enhancement at High Generation Rate Induced by Exciton Localization, Optics Letters 46, 2774-2777 (2021).
94. P. Zereshki, P. Valencia-Acuna, and H. Zhao*, All-Optical Control of Charge Transfer and Interlayer Excitons in Transition Metal Dichalcogenide Heterostructures, Physical Review B 103, 165416 (2021).
93. P. Valencia-Acuna, T. R. Kafle, P. Zereshki, H. Peelaers, W. -L. Chan, and H. Zhao*, Transient Ultrafast Hole Transfer from Monolayer ReS2 to Thin-Film F8ZnPc, Applied Physics Letters 118, 153104 (2021).
92. Y. Li, L. Zhang, J. Chang, Q. Cui, and H. Zhao*, Time-Resolved Observation of Hole Tunneling in van der Waals Multilayer Heterostructures, ACS Applied Materials & Interfaces 13, 12425-12431 (2021).
91. T. Zheng, P. Valencia-Acuna, P. Zereshki, K. Beech, L. Deng, Z. Ni*, and H. Zhao*, Thickness dependent interlayer charge transfer in MoSe2/MoS2 heterostructures studied by femtosecond transient absorption measurements, ACS Applied Materials & Interfaces 13, 6489-6495 (2021).
90. T. Zheng, Y.-C. Lin*, Y. Yu, P. Valencia-Acuna, A. A. Puretzky, R. Torsi, C. Liu, I. N. Ivanov, G. Duscher, D. B. Geohegan, Z. Ni*, K. Xiao, and H. Zhao*, Excitonic Dynamics in Janus MoSSe and WSSe Monolayers, Nano Letters 21, 931-937 (2021).
2020
89. P. Valencia-Acuna, P. Zereshki, M. M. Tavakoli, J.-H. Park, J. Kong, and H. Zhao*, Transient absorption of transition metal dichalcogenide monolayers studied by a photodope-pump-probe technique, Physical Review B 102, 035414 (2020).
88. Y. Fu, D. He, J. He, X. Han, J. Bai, Y. Wang*, and H. Zhao*, Photocarrier Dynamics in TlGaS2 Nanoflakes and van der Waals Heterostructures with Hexagonal Boron Nitride and WS2 Nanoflakes: Implications for Optoelectronic Applications, ACS Applied Nano Materials 3, 8702-87-7 (2020).
87. Q. Miao, D. He, X. Han, S. Liu, J. Fu, Y. Wang*, and H. Zhao*, Spatiotemporally Resolvde Optical measurements on Photocarrier Dynamics in Copper Monosulfide, The Journal of Physical Chemistry C 124, 14459-14464 (2020).
86. A. Bian, D. He, S. Hao, Y. Fu, L. Zhang, J. He, Y. Wang*, and H. Zhao*, Dynamics of Charge-Transfer Excitons in a Transitiion Metal Dichalcogenide Heterostructure, Nanoscale 12, 8485-8492 (2020).
85. P. Wang, D. He, J. He, J. Fu, S. Liu, X. Han, Y. Wang*, and H. Zhao*, Transient Absorption Microscopy of Layered Crystal AsSbS3, Journal of Physical Chemistry A 124, 1047-1052 (2020).
84. S. Liu, C. Tan, D. He, Y. Wang*, H. Peng*, and H. Zhao*, Optical Properties and Photocarrier Dynamics of Bi2O2Se Monolayer and Nanoplates, Advanced Optical Materials 8, 1901567 (2020).
83. S. Hao, M. Z. Bellus, D. He, Y. Wang*, and H. Zhao*, Controlling Exciton Transport in Monolayer MoSe2 by Dielectric Screening, Nanoscale Horizons 5, 139-143 (2020).
82. X. Han, D. He, L. Zhang, S. Hao, S. Liu, J. Fu, Q. Miao, J. He, Y. Wang*, and H. Zhao*, Type-II WS2-ReSe2 Heterostructure and its Charge Transfer Properties, Journal of Materials Research 35, 1417-1423 (2020).
2019
81. P. Yao, D. He, P. Zereshki, Y. Wang*, and H. Zhao*, Nonlinear optical effect of interlayer charge transfer in a van der Waals heterostructure, Applied Physics Letters 115, 263103 (2019). [Editor's Pick]
80. P. Zereshki, M. M. Tavakoli, P. Valencia-Acuna, J.-H. Park, J. Kong, and H. Zhao*, Observation of charge transfer in mixed-dimensional heterostructures formed by transition metal dichalcogenide monolayers and PbS quantum dots, Physical Review B 100, 235411 (2019).
79. S. Hao, D. He, Q. Miao, X. Han, S. Liu, Y. Wang*, and H. Zhao*, Upconversion Photoluminescence by Charge Transfer in a van der Waals Trilayer, Applied Physics Letters 115, 173102 (2019). [Featured Article]
78. Y. Fu, D. He, J. He, A. Bian, L. Zhang, S. Liu, Y. Wang*, and H. Zhao*, Effect of Dielectric Environment on Excitonic Dynamics in Monolayer WS2, Advanced Materials Interfaces 6, 190137 (2019).
77. T. R. Kaflem, B. Kattel, P. Yao, P. Zereshki, H. Zhao, and W.-L. Chan*, Effect of the Interfacial Energy Landscape on Photo-induced Charge Generation at the ZnPc-MoS2 Interface, Journal of the American Chemical Society 141, 11328-11336 (2019).
76. L. Zhang, D. He, J. He*, Y. Fu, A. Bian, X. Han, S. Liu, Y. Wang*, and H. Zhao, Ultrafast charge transfer in a type-II MoS2-ReSe2 van der Waals heterostructure, Optics Express 27, 17851-17858 (2019).
75. P. Zereshki, P. Yao, D. He, Y. Wang*, and H. Zhao*, Interlayer charge transfer in ReS2/WS2 van der Waals heterostructures, Physical Review B 99, 195438 (2019).
74. X. Li, J. Zhang, A. Puretzky, A. Yoshimura, X. Sang, Q. Cui, Y. Li, L. Liang, A. Ghosh, H. Zhao, R. Unocic, V. Meunier, C. Rouleau, B. Sumpter, D. Geohegan, and K. Xiao*, Isotope-engineering the thermal conductivity of two-dimensional MoS2, ACS Nano 13, 2481-2489 (2019).
73. M. Z. Bellus, Z. Yang, P. Zereshki, J. Hao, S. P. Lau, and H. Zhao*, Efficient Hole Transfer from Monolayer WS2 to Ultrathin Amorphous Black Phosphorus, Nanoscale Horizons 4, 236-242 (2019).
72. S. Pan, W. Kong, J. Liu, X. Ge, P. Zereshki, S. Hao, D. He, Y. Wang, H. Zhao*, Understanding Spatiotemporal Photocarrier Dynamics in Monolayer and Bulk MoTe2 for Optimized Optoelectronic Devices, ACS Applied Nano Materials 2, 459-464 (2019).
71. Q. Cui*, Y. Li, J. Chang, H. Zhao, and C. Xu*, Temporally Resolving Synchronous Degenerate and Nondegenerate Two-Photon Absorption in 2D Semiconducting Monolayers (Cover Story), Laser & Photonics Reviews 13, 1800225 (2019). [Cover Story]
2018
70. P. Zereshki, Y. Wei, R. Long*, and H. Zhao*, Layer-Coupled States Facilitate Ultrafast Charge Transfer in a Transition Metal Dichalcogenide Trilayer Heterostructure, The Journal of Physical Chemistry Letters 9, 5970-5978 (2018).
69. J. He, T. Li, L. Zhang, D. He*, Y. Wang, H. Ding*, N. Pan, and H. Zhao, Efficient Energy Transfer in In2Se3-MoSe2 van der Waals Heterostructures, ACS Omega 3, 11930-11936 (2018).
68. J. He, L. Zhang, D. He*, Y. Wang*, Z. He, and H. Zhao, Ultrafast Transient Absorption Measurements of Photocarrier Dynamics in Monolayer and Bulk ReSe2, Optics Express 26, 21501-21509 (2018).
67. S. D. Lane and H. Zhao*, Unipolar Optical Doping and Extended Photocarrier Lifetime in Graphene by Band Aliognment Engineering, Nano Futures 2, 035003 (2018). Altmetric: 45 (94%); News: Materials Today; PV Magezine; Science Daily; Nano Werk; Eurek Alert; Space Daily; KU News Release.
66. M. Z. Bellus, M. Mahjouri-Samani, S. D. Lane, A. D. Oyedele, X. Li, A. A. Puretzky, D. Geohegan, K. Xiao, and H. Zhao*, Photocarrier Transfer Across Monolayer MoS2-MoSe2 Lateral Heterojunctions, ACS Nano 12, 7068-7092 (2018).
65. P. Zereshki, Y. Wei, F. Ceballos, M. Z. Bellus, S. D. Lane, S. Pan, R. Long*, and H. Zhao*, Photocarrier Dynamics in Monolayer Phosphorene and Bulk Black Phosphorus, Nanoscale 10, 11307-11313.
64. M. Li, M. Z. Bellus, J. Dai, L. Ma, X. Li, H. Zhao*, and X. C. Zeng*, A Type-I van der Waals Heterobilayer of WSe2/MoTe2, Nanotechnology 29, 335203 (2018).
63. S. Zhao, D. He, J. He, X. Zhang, L. Yi, Y. Wang*, and H. Zhao*, Probing Excitons in Transition Metal Dichalcogenidesby Drude-Like Exciton Intraband Absorption, Nanoscale 10, 9538-9546 (2018).
2017
62. Y. Li, Q. Liu, Q. Cui, Z. Qi*, J. Z. Wu, and H. Zhao*, Effect of Rhenium Dopants on Photocarrier Dynamics and Optical Properties of Monolayer, Few-Layer, and Bulk MoS2, Nanoscale 9, 19360-19366 (2017).
61. Y. Li, Q. Cui, F. Ceballos, S. D. Lane, Z. Qi*, and H. Zhao*, Ultrafast Interlayer Electron Transfer in Incommensurate Transition Metal Dichalcogenide Homo-bilayers, Nano Letters 17, 6661.
60. T. R. Kafle, B. Kattel, S. D. Lane, T. Wang, H. Zhao, and W.-L. Chan*, Charge Transfer Exciton and Spin Flipping at Organic-Transition Metal Dichalcogenide Interfaces, ACS Nano 11, 10184-10192 (2017).
59. X. Zhang, D. He, L. Yi*, S. Zhao, J. He, Y. Wang*, and H. Zhao, Electron Dynamics in MoS2-Graphite Heterostructures, Nanoscale 9, 14533 (2017).
58. F. Ceballos, P. Zereshki, and H. Zhao*, Separating Electrons and Holes by Monolayer Increments in van der Waals Heterostructures, Physical Review Materials 1, 044001 (2017).
57. E. E. Hroblak, A. Principi, H. Zhao, and G. Vignale*, Electrically Induced Charge-Density Waves in a Two-Dimensional Electron Liquid: Effects of Negative Electronic Compressibility, Physical Review B 96, 075422 (2017).
56. Q. Cui, R. A. Muniz, J. E. Sipe, and H. Zhao*, Strong and Anisotropy Third Harmonic Generation in Monolayer ReS2, Physical Review B 95, 165406 (2017).
55. M. Z. Bellus, Z. Yang, J. Hao, S. P. Lau*, and H. Zhao*, Amorphous Two-Dimensional Black Phosphorus with Exceptional Photocarrier Transport Properties, 2D Materials 4, 025063 (2017).
54. F. Ceballos, M.-G. Ju, S. D. Lane, X. C. Zeng*, and H. Zhao*, Highly Efficient and Anomalous Charge Transfer in van der Waals Trilayer Semiconductors, Nano Letters 17, 1623-1628 (2017). Altmetric: 75 (96%). News: NSF News From the Field (Frontpage image); ZAP; ECN; Health Madicine Network; Science Alert; Nano Werk; Eurek Alert; Phys.org; KU News Release
53. J. He, D. He, Y. Wang*, and H. Zhao*, Probing Effect of Electric Field on Photocarrier Transfer in Graphene-WS2 van der Waals Heterostructures, Optics Express 25, 1949-1957 (2017).
52. F. Ceballos and H. Zhao*, Ultrafast Laser Spectroscopy of Two-Dimensional Materials Beyond Graphene (Feature Article), Advanced Functional Materials 27, 1604509 (2017).
51. X. Li, A. A. Puretzky, X. Sang, S. KC, M. Tian, F. Ceballos, M. Mahjouri-Samani, K. Wang, R. R. Unocic, H. Zhao, C. M. Rouleau, D. B. Geohegan, K. Xiao*, Suppression of Defects and Deep Levels Using Isoelectronic Tungsten Alloying in Monolayer MoSe2 (Cover Story), Advanced Functional Material 27, 1603805 (2017).
50. S. Pan, F. Ceballos, M. Z. Bellus, P. Zereshki, and H. Zhao*, Ultrafast Charge Transfer Between MoTe2 and MoS2 Monolayers, 2D Materials 4, 015033 (2017).
49. M. Z. Bellus, M. Li, S. D. Lane, F. Ceballos, Q. Cui, X. C. Zeng*, and Hui Zhao*, Type-I van der Waals heterostructure Formed by MoS2 and ReS2 Monolayers (Cover Story), Nanoscale Horizons, 2, 31-36 (2017).
Altmetic: 61 (96%); News: I4U News; Photonics.com; Lab Manager; Phys.org; Controlled Enviroment; Nano Werk; News Wise; KU News Release.
2016
48. Z. Lin, A. McCreary, N. Briggs, S. Subramanian, K. Zhang,Y. Sun, X. Li, Nicholas J. Borys, H. Yuan, S. K. Fullerton-Shirey, A. Chernikov, H. Zhao, S. McDonnel, A. M Lindenberg, K. Xiao, B. J. LeRoy, M. Drndić, J. C. M. Hwang, J. Park, M. Chhowalla, R. E. Schaak, A. Javey, M. C. Hersam, J. Robinson, M. Terrones*, 2D Materials Advances: From Large Scale Synthesis and Controlled Heterostructures to Improved Characterization Techniques, Defects and Applications, 2D Materials 3, 042001 (2016).
47. H. Zhao, Nonlinear Optical Experiments on Graphene, Chapter 6 of Optical Properties of Graphene, Edited by Rolf Binder, World Scientific (2016).
46. Q. Cui, A. Lipatov, J. Wilt, M. Z. Bellus, X.-C. Zeng, J. Wu, A. Sinitskii*, and H. Zhao*, Time-Resolved Measurements of Photocarrier Dynamics in TiS3 Nanoribbons, ACS Applied Materials & Interfaces 8, 18334 (2016).
45. K. Wang*, B. Huang, M. Tian, F. Ceballos, M.-W. Lin, M. Mahjouri-Samani, A. Boulesbaa, A. Puretzky, C. Rouleau, M. Yoon, H. Zhao, K. Xiao, G. Duscher, and D. Geohegan*, Interlayer Coupling in Twisted WSe2/WS2 Bilayer Heterostructures Revealed by Optical Spectroscopy, ACS Nano 10, 6612-6622 (2016).
44. F. Ceballos, Q. Cui, M. Z. Bellus, and H. Zhao*, Exciton Formation in Monolayer Transition Metal Dichalcogenides, Nanoscale 8, 11681-11688 (2016).
2015
43. J. He, D. He, Y. Wang*, and H. Zhao*, Photocarrier Dynamics in Transition Metal Dichalcogenide Alloy Mo0.5W0.5S2, Optics Express 23, 33370-33377 (2015).
42. F. Ceballos, M. Z. Bellus, H.-Y. Chiu, and H. Zhao*, Probing Charge Transfer Excitons in a MoSe2-WS2 van der Waals Heterostructure, Nanoscale 7, 17523-17528 (2015).
41. Q. Cui, J. He, M. Z. Bellus, M. Mirzokarimov, T. Hofmann, H.-Y. Chiu, M. Antonik, D. He, Y. Wang*, and H. Zhao*,Transient Absorption Measurements on Anisotropic Monolayer ReS2, Small 11, 5565-5571 (2015).
40. M. Z. Bellus, F. Ceballos, H.-Y. Chiu*, and H. Zhao*, Tightly Bound Trions in Transition Metal Dichalcogenide Heterostructures, ACS Nano 9, 6459-6464 (2015).
39. J. He, D. He, Y. Wang*, Q. Cui, M. Z. Bellus, H.-Y. Chiu, and H. Zhao*, Exceptional and Anisotropic Transport Properties of Photocarriers in Black Phosphorus, ACS Nano 9, 6436-6442 (2015).
38. J. He, D. He, Y. Wang*, Q. Cui, F. Ceballos, and H. Zhao*, Spatiotemporal Dynamics of Excitons in Monolayer and Bulk WS2, Nanoscale 7, 9526-9531 (2015).
37. M. Gong, T. A. Shastry, Q. Cui, R. R. Kohlmeyer, K. A. Luck, A. Rowberg, T. J. Mark, M. F. Durstock, H. Zhao, M. C. Hersam, and S. Ren*, Understanding Charge Transfer in Carbon Nanotube-Fullerene Bulk Heterojunctions, ACS Applied Materials & Interfaces 7, 7428-7435 (2015).
36. Q. Cui and H. Zhao*, Coherent Control of Nanoscale Ballistic Currents in Transition Metal Dichalcogenide ReS2, ACS Nano 9, 3935-3941 (2015).
2014
35. J. He, N. Kumar, M. Z. Bellus, H.-Y. Chiu, D. He, Y. Wang*, and H. Zhao*, Electron Transfer and Coupling in Graphene-Tungsten Disulfide van der Waals Heterostructures, Nature Communications 5, 5622 (2014). Altmetric: 79 (98%); News: NSF News from the Field (Frontpage Image); Controlled Enviroment; R&D Magezine; Science Daily; Phys.org; Eurek Alert; Nanotechnology Now; KU News Release.
34. F. Ceballos, M. Z. Bellus, H.-Y. Chiu*, and H. Zhao*, Ultrafast Charge Separation and Indirect Exciton Formation in a MoS2-MoSe2 van der Waals Heterostructure, ACS Nano 8, 12717-12724 (2014).
33. N. Kumar, J. He, D. He, Y. Wang*, and H. Zhao*, Valley and Spin Dynamics in MoSe2 Two-Dimensional Crystals, Nanoscale 6, 12690 (2014).
32. K. He, N. Kumar, L. Zhao, Z. Wang, K. F. Mak, H. Zhao, and J. Shan, Tightly Bound Excitons in Monolayer WSe2, Physical Review Letters 113, 026803 (2014). ESI Hot Paper (Top 0.1%).
31. Q. Cui, F. Ceballos, N. Kumar, and H. Zhao*, Transient Absorption Microscopy of Monolayer and Bulk WSe2, ACS Nano 8, 2970-2976 (2014). Altmetric: 14 (91%); News: Phys.org; Nano Werk; KU News Release.
30. N. Kumar, Q. Cui, F. Ceballos, D. He, Y. Wang* and H. Zhao*, Exciton Diffusion in Monolayer and Bulk MoSe2, Nanoscale 6, 4915-4949 (2014).
29. N. Kumar, Q. Cui, F. Ceballos, D. He, Y. Wang*, H. Zhao*, Exciton-Exciton Annihilation in MoSe2 Monolayers, Physical Review B 89, 125427 (2014). ESI Highly Cited Paper (Top 1%).
28. H. Zhao, Second Harmonic Microscopy Allows the Detection of Single Atomic Layers, SPIE Newsroom, DOI: 10.1117/2.1201401.005262 (2014).
27. R. Wang, H.-C. Chien, J. Kumar, N. Kumar, H.-Y. Chiu*, and H. Zhao*, Third-Harmonic Generation in Ultrathin Films of MoS2, ACS Applied Materials & Interfaces 6, 314-318 (2014).
2013
26. R. Wang, P. Jacobs, H. Zhao, and A. L. Smirl*, Quantum Interference and Control of the Dynamic Franz-Keldysh Effect: Generation and Detection of Terahertz Space-Charge, Applied Physics Letters 102, 251110 (2013).
25. C. Rochford, N. Kumar, J. Liu, H. Zhao, and J. Wu*, All-optical Technique to Correlate Defect Structure and Carrier Transport in Transferred Graphene Films, ACS Applied Materials & Interfaces 5, 7176-7180 (2013).
24. M. Gong, A. Kirkeminde, N. Kumar, H. Zhao, and S. Ren*, Ionic-Passivated FeS2 Photocapacitors for Energy Conversion and Storage, Chemical Communications 49, 9260-9262 (2013).
23. N. Kumar, S. Najmaei, Q. Cui, F. Ceballos, P. M. Ajayan, J. Lou, and H. Zhao*, Second Harmonic Microscopy of Monolayer MoS2, Physical Review B 87, 161403(R) (2013). [Rapid Communication] [Editor's Suggestion], ESI Highly Cited Paper (Top 1%).
22. N. Kumar, J. Kumar, C. Gerstenkorn, R. Wang, H.-Y. Chiu, A. L. Smirl, and H. Zhao*, Third Harmonic Generation in Graphene and Graphite Thin Films, Physical Review B 87, 121406(R) (2013). [Rapid Communication]
21. N. Kumar, J. He, D. He, Y. Wang*, and H. Zhao*, Charge Carrier Dynamics in Bulk MoS2 Crystal Studied by Transient Absorption Microscopy, Journal of Applied Physics 113, 133702 (2013).
2012
20. B. A. Ruzicka, R. Wang, J. Lohrman, S. Ren*, and H. Zhao*, Exciton Diffusion in Semiconducting Single-Walled Carbon Nanotubes Studied by Transient Absorption Microscopy, Physical Review B 86, 205417 (2012).
19. R. Wang, B. A. Ruzicka, N. Kumar, M. Z. Bellus, H.-Y. Chiu*, and H. Zhao*, Ultrafast and Spatially Resolved Studies of Charge Carriers in Atomically-Thin Molybdenum Disulfide, Physical Review B 86, 045406 (2012).
18. B. A. Ruzicka, S. Wang, J. Liu, K.-P. Loh, J. Z. Wu, and H. Zhao*, Spatially Resolved Pump-Probe Study of Single-Layer Graphene Produced by Chemical Vapor Deposition [Invited], Optics Materials Express 2, 708 (2012).
17. B. A. Ruzicka, L. K. Werake, G. Xu, J. B. Khurgin, E. Y. Sherman, J. Z. Wu, and H. Zhao*, Second-Harmonic Generation induced by Electric Currents in GaAs, Physical Review Letters 108, 077403 (2012). Featured in Physics Today (Frequency-Doubled Photons can Measure Current Density, March of 2012); Featured in Physics-Uspekhi (Vol. 55, Issue 4) as Physics News: Detection of Electric Currents in GaAs Based on Second-Harmonic Generation).
16. A. Kirkeminde, B. A. Ruzicka, R. Wang, S. Puna, H. Zhao, and S. Ren*, Synthesis and Optoelectronic Properties of Two-Dimensional FeS2 Nanoplates, ACS Applied Materials & Interfaces 4, 1174 (2012).
15. B. A. Ruzicka and H. Zhao*, Optical Studies of Ballistic Currents in Semiconductors [Invited], Journal of the Optical Society of America B 29, A43 (2012).
2011
14. N. Kumar, B. A. Ruzicka, N. P. Butch, P. Syers, K. Kirshenbaum, J. Paglione,and H. Zhao*, Spatially Resolved Femtosecond Pump-Probe Study of Topological Insulator Bi2Se3, Physical Review B 83, 235306 (2011). Selected as Editor's Suggestions
13. B. A. Ruzicka, N. Kumar, S. Wang, K.-P. Loh, and H. Zhao*, Two-Probe Study of Hot Carriers in Reduced Graphene Oxide, Journal of Applied Physics 109, 084322 (2011).
12. L. K. Werake, B. A. Ruzicka,and H. Zhao*, Observation of Intrinsic Inverse Spin Hall Effect, Physical Review Letters,106, 107205 (2011). Featured in Physical Review Focus (Electrons Curve without Help,02/25/2011) and MRS News.
2010
11. B. A. Ruzicka, L. K. Werake, H. Samassekou, and H. Zhao*, Ambipolar Diffusion of Photoexcited Carriers in Bulk GaAs, Applied Physics Letters 97, 262119 (2010).
10. H. Zhao and A. L. Smirl*, Injection and Detection of Ballistic Electrical Currents in Silicon, Applied Physics Letters 97, 212106 (2010).
9. B. A. Ruzicka, S. Wang, L. K. Werake, B. Weintrub, K.-P. Loh, and H. Zhao*, Hot Carrier Diffusion in Graphene, Physical Review B 82, 195414 (2010).
8. E. J. Loren, H. Zhao, and A. L. Smirl*, All-Optical Injection and Detection of Ballistic Charge Currents in Germanium, Journal of Applied Physics 108, 083111 (2010).
7. L. K. Werake and H. Zhao*, Observation of Second-Harmonic Generation Induced by Pure Spin Currents, Nature Physics 6, 875 (2010). Featured in NSF News From the Field.
6. B. A. Ruzicka, L. K. Werake, H. Zhao*, S. Wang, and K.-P. Loh, Femtosecond Pump-Probe Studies of Reduced Graphene Oxide Thin Films, Applied Physics Letters 96, 173106 (2010).
2009
5. E. J. Loren, B. A. Ruzicka, L. K. Werake, H. Zhao, H. M. van Driel, and A. L.Smirl*, Optical Injection and Detection of Ballistic Pure Spin Currents in Ge, Applied Physics Letters 95, 092107 (2009).
4. B. A. Ruzicka and H. Zhao*, Power Dependence of Pure Spin Current Injection by Quantum Interference. Physical Review B 79, 155204 (2009).
3. H. Zhao, M. Mower, and G. Vignale, Ambipolar Spin Diffusion and D'yakonov-Perel' Spin Relaxation in GaAs Quantum Wells. Physical Review B 79, 115321 (2009).
2008
2. B. A. Ruzicka, K. Higley, L. K. Werake, and H. Zhao*, All-Optical Generation and Detection of Subpicosecond AC Spin-Current Pulses in GaAs, Physical Review B 78, 045314 (2008).
Selected as Editor's Suggestions.
1. H. Zhao, Temperature Dependence of Ambipolar Diffusion in Silicon-On-Insulator, Applied Physics Letters 92, 112104 (2008).