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Gamelin Group Publications (Since inception) 2009 Vlaskin, V. A.; Beaulac, R.; Gamelin, D. R. “Dopant-Carrier Magnetic Exchange Coupling in Colloidal Inverted Core/Shell Semiconductor Nanocrystals.” Nano Letters, 2009, (published ASAP, DOI 10.1021/nl9026499). (view) Beaulac, R.; Schneider, L.; Archer, P. I.; Bacher, G.; Gamelin, D. R. “Light-Induced Spontaneous Magnetization in Doped Colloidal Quantum Dots.” Science, 2009, 325, 973-976. (view) Ochsenbein, S. T.; Feng, Y.; Whitaker, K. M.; Badaeva, E.; Liu, W. K.; Li, X.; Gamelin, D. R. “Charge-Controlled Magnetism in Colloidal Doped Semiconductor Nanocrystals.” Nature Nanotechnology, 2009, 4, 681-687. (view) Lee, H. J.; Chen, P.; Moon, S.-J.; Sivula, K.; Besso, T.; Gamelin D. R.; Comte, P.; Zakeeruddin, S. M.; Grätzel, M.; Nazeeruddin, Md. K.,"Regenerative PbS and CdS Quantum Dot-Sensitized Solar Cells with a Cobalt Complex as a Hole Mediator." Langmuir, 2009, 25, 7602–7608. (view) Zhong, D. K.; Sun, J.; Inumaru, H.; Gamelin, D. R. "Solar Water Oxidation by Composite Catalyst/a-Fe2O3 Photoanodes." J. Am. Chem. Soc., 2009, 131, 6086-6087. (view) Badaeva, E.; Isborn, C. M.; Feng, Y.; Ochsenbein, S. T.; Gamelin, D. R.; Li, X. "Theoretical Characterization of Electronic Transitions in Co2+- and Mn2+-Doped ZnO Nanocrystals." J. Phys. Chem. C, 2009, 113, 8710–8717. (view) Droubay, T. C.; Keavney, D. J.; Kaspar, T. C.; Heald, S. M.; Wang, C. M.; Johnson, C. A.; Whitaker, K. M.; Gamelin, D. R.; Chambers, S. A. "Correlated Substitution in Paramagnetic Mn2+-Doped ZnO Epitaxial Films." Phys. Rev. B, 2009, 79, 155203. (view) 2008 White, M. A.; Ochsenbein, S. T.; Gamelin, D. R. "Colloidal Nanocrystals of Wurtzite Zn1-xCoxO (0 = x = 1): Models of Spinodal Decomposition in an Oxide Diluted Magnetic Semiconductor." Chem. Mater., 2008, 20, 7107-7116. (view) Beaulac, R.; Archer, P. I.; Ochsenbein, S. T.; Gamelin, D. R. "Mn2+-Doped CdSe Quantum Dots: New Inorganic Materials for Spin-Electronics and Spin-Photonics." Advanced Functional Materials, 2008, 18, 3873-3891 (Feature Article). (view) Whitaker, K. M.; Ochsenbein, S. T.; Polinger, V. Z.; Gamelin, D. R. "Electron confinement effects in the EPR Spectra of Colloidal n-Type ZnO Quantum Dots." J. Phys. Chem. C, 2008, 112, 14331-14335. (view) Beaulac, R.; Archer, P. I.; van Rijssel, J.; Meijerink, A.; Gamelin, D. R. "Exciton Storage by Mn2+ in Colloidal Mn2+-Doped CdSe Quantum Dots." Nano Letters, 2008, 8, 2949-2953. (view) Thomay, T.; Hanke, T.; Tomas, M.; Sotier, F.; Beha, K.; Knittel, V.; Kahl, M.; Whitaker, K. M.; Gamelin, D. R.; Leitenstorfer, A.; Bratschitsch, R. "Colloidal ZnO Quantum Dots in Ultraviolet Pillar Microcavities." Optics Express, 2008, 16, 9791-9794. (view) Janssen, N.; Whitaker, K. M.; Gamelin, D. R.; Bratschitsch, R. "Ultrafast Spin Dynamics in Colloidal ZnO Quantum Dots." Nano Letters, 2008, 8, 1991-1994. (view) Beaulac, R.; Archer, P. I.; Gamelin, D. R. "Luminescence in Colloidal Mn2+-doped Semiconductor Nanocrystals." J. Solid State Chem., 2008, 181, 1585-1592. (view) Badaeva, E.; Feng, Y.; Gamelin, D. R.; Li, X. "Investigation of Pure and Co2+-Doped ZnO Quantum Dot Electronic Structures using Density Functional Theory: Choosing the Right Functional." New Journal of Physics, 2008, 10, 055013. (view) Beaulac, R.; Archer, P. I.; Liu, X.; Lee, S.; Salley, G. M.; Dobrowolska, M. ; Furdyna, J. K.; Gamelin, D.R. "Spin-Polarizable Excitonic Luminescence in Colloidal Mn2+-Doped CdSe Quantum Dots." Nano Letters, 2008, 8, 1197-1201. (view) Kaspar,T. C.; Droubay, T.; Li, Y.; Heald, S. M.; Nachimuthu, P.; Wang, C. M.; Shutthanandan, V.; Johnson, C. A.; Gamelin, D. R.; Chambers, S. A. "Lack of Ferromagnetism in n-Type Cobalt-Doped ZnO Epitaxial Thin Films." New Journal of Physics, 2008, 10, 055010. (view) 2007 Archer, P. I.; Santangelo, S. A.; Gamelin, D. R. "Inorganic Cluster Syntheses of TM2+-Doped Quantum Dots (CdSe, CdS, CdSe/CdS): Physical Property Dependence on Dopant Locale." J. Am. Chem. Soc., 2007, 129, 9808-9818. (view) Liu, W.K.; Whitaker, K.M.; Smith, A.L.; Kittilstved, K.R.; Robinson, B.H.; Gamelin, D.R. "Room-Temperature Electron Spin Dynamics in Free-Standing ZnO Quantum Dots." Phys. Rev. Lett., 2007, 98, 186804. (view) Archer, P. I.; Santangelo, S. A.; Gamelin, D. R. "Direct Observation of sp-d Exchange Interactions in Colloidal Mn2+- and Co2+-Doped CdSe Quantum Dots." Nano Letters, 2007, 7, 1037-1043. (view) Santangelo, S. A.; Hinds, E. A.; Vlaskin, V. A.; Archer, P. I.; Gamelin, D. R. "Bimodal Bond-Length Distributions in Cobalt-Doped CdSe, ZnSe, and Cd1-xZnxSe Quantum Dots." J. Am. Chem. Soc., 2007, 129, 3973-3978. (view) Chambers, S. A.; Schwartz, D. A.; Liu, W. K.; Kittilstved, K. R.; Gamelin, D. R. " Growth, Electronic and Magnetic Properties of Doped ZnO Epitaxial and Nanocrystalline Films." Applied Physics A, 2007, 88, 1-5. (Invited Paper) (view) Archer, P. I.; Gamelin, D. R. "Chemical Approaches using Nanocrystals to Control Lattice Defect Formation and Explore the High-TC Ferromagnetism of Oxide Diluted Magnetic Semiconductors." Chapter in Magnetism in New Semiconducting and Insulating Oxides, edited by N. H. Hong, 2007, Research Signpost Press. (Invited Review) 2006 Norberg, N. S.; Dalpian, G. M.; Chelikowsky, J. R.; Gamelin, D. R. "Energetic Pinning of Magnetic Impurity Levels in Quantum Confined Semiconductor Nanocrystals." Nano Letters, 2006, 6, 2887-2892. (view) Chambers, S. A.; Droubay, T. C.; Wang, C. M.; Rosso, K.; Heald, S. M.; Schwartz, D. A.; Kittilstved, K. R.; Gamelin, D. R. "Electron Mediated Ferromagnetism in Oxide Semiconductors?" Materials Today, 2006, 9, 28-35. (Invited Review) (view) (Cover image) Norberg, N. S.; Parks, G. L.; Salley, G. M.; Gamelin, D. R. "Giant Excitonic Zeeman Splittings in Colloidal Co2+-Doped ZnSe Quantum Dots." J. Am. Chem. Soc., 2006, 128, 13195-13203. (view) Kittilstved, K. R.; Zhao, J.; Liu, W. K.; Bryan, J. D.; Schwartz, D. A.; Gamelin, D. R. "Magnetic Circular Dichroism of Ferromagnetic Co2+-Doped ZnO." Appl. Phys. Lett., 2006, 89, 062510. (view) Kittilstved, K. R.; Schwartz, D. A.; Tuan, A. C.; Heald, S. M.; Chambers, S. A.; Gamelin, D. R. "Direct Kinetic Correlation of Carriers and Ferromagnetism in Co2+:ZnO." Phys. Rev. Lett., 2006, 97, 037203. (view) Kaspar, T. C.; Droubay, T.; Shutthanandan, V.; Heald, S. M.; Wang, C. M.; McCready, D. E.; Thevuthasan, S.; Bryan, J. D.; Gamelin, D. R.; Kellock, A. J.; Toney, M. F.; Hong, X.; Ahn, C. H.; Chambers, S. A. "Ferromagnetism and Structure of Epitaxial Cr-Doped Anatase TiO2 Thin Films." Phys. Rev. B, 2006, 73, 155327. (view) Kittilstved, K. R.; Liu, W. K.; Gamelin, D. R. "Electronic Structure Origins of Polarity Dependent High-TC Ferromagnetism in Oxide Diluted Magnetic Semiconductors." Nature Materials, 2006, 5, 291-297. (view) Liu, W. K.; Whitaker, K. M.; Kittilstved, K. R.; Gamelin, D. R. "Stable Photogenerated Carriers in Magnetic Semiconductor Nanocrystals." J. Am. Chem. Soc., 2006, 128, 3910-3911. (view) Kittilstved, K. R.; Gamelin, D. R. "Manipulating Polar Ferromagnetism in Transition Metal Doped ZnO: Why Manganese is Different from Cobalt." J. Appl. Phys., 2006, 99, 08M112. (Invited Paper) (view) Archer, P. I.; Gamelin, D. R. "Controlled Grain-Boundary Defect Formation and its Role in the High-TC Ferromagnetism of Ni2+:SnO2." J. Appl. Phys., 2006, 99, 08M107. (view) Norberg, N. S.; Gamelin, D. R. "Giant Zeeman Effects in Colloidal Diluted Magnetic Semiconductor Quantum Dots with Homogeneous Dopant Speciation." J. Appl. Phys., 2006, 99, 08M104. (view) 2005 Kaspar, T. C.; Heald, S. M.; Wang, C. M.; Bryan, J. D.; Droubay, T.; Shutthanandan, V.; Thevuthasan, S.; McCready, D. E.; Kellock, A. J.; Gamelin, D. R.; Chambers, S. A. "Negligible Magnetism in Excellent Structural Quality Crx:Ti1-xO2 Anatase: Contrast with High-TC Ferromagnetism in Structurally Defective Crx:Ti1-xO2." Phys. Rev. Lett., 2005, 95, 217203. (view) Norberg, N. S.; Gamelin, D. R. "Influence of Surface Modification on the Luminescence of Colloidal ZnO Nanocrystals." J. Phys. Chem. B, 2005, 109, 20810-20816. (view) Bryan, J. D.; Santangelo, S. A.; Keveren, S. C.; Gamelin, D. R. "Activation of High-TC Ferromagnetism in Co2+:TiO2 and Cr3+:TiO2 Nanorods and Nanocrystals by Grain Boundary Defects." J. Am. Chem. Soc., 2005, 127, 15568-15574. (view) Archer, P. I.; Radovanovic, P. V.; Heald, S. M.; Gamelin, D. R. "Low-Temperature Activation and Deactivation of High-TC Ferromagnetism in a New Diluted Magnetic Semiconductor: Ni2+-Doped SnO2." J. Am. Chem. Soc., 2005, 127, 14479-14487. (view) Kittilstved, K. R.; Zhao, J.; Liu, W. K.; Bryan, J. D.; Gamelin, D. R. "300K Ferromagnetic Magnetic Circular Dichroism in Co2+-doped ZnO Activated by Shallow Donors." (cond-mat/0507121) Liu, W. K.; Salley, G. M.; Gamelin, D. R. "Spectroscopy of Photovoltaic and Photoconductive Nanocrystalline Co2+-doped ZnO Electrodes." J. Phys. Chem. B, 2005, 109, 14486-14495. (view) Kittilstved, K. R.; Norberg, N. S.; Gamelin, D. R. "Chemical Manipulation of High-TC Ferromagnetism in ZnO Diluted Magnetic Semiconductors." Phys. Rev. Lett., 2005, 94, 147209/1-4. (view) Kittilstved, K. R.; Gamelin, D. R. "Activation of High-TC Ferromagnetism in Mn2+:ZnO using Amines." J. Am. Chem. Soc., 2005, 127, 5292-5293. (view) Bryan, J. D.; Schwartz, D. A.; Gamelin, D. R. "The Influence of Dopants on the Nucleation of Semiconductor Nanocrystals from Homogeneous Solution." J. Nanoscience and Nanotechnology, 2005, 5, 1472-1479 (Invited Paper). (cond-mat/0502079) Bryan, J. D.; Gamelin, D. R. "Doped Semiconductor Nanocrystals: Synthesis, Characterization, Physical Properties, and Applications." Progress in Inorganic Chemistry, 2005, 54, 47-126 (Invited Review). (view) 2004 Schwartz, D. A.; Gamelin, D. R. "Reversible 300K Ferromagnetic Ordering in a Diluted Magnetic Semiconductor." Advanced Materials, 2004, 16, 2115-2119. (view) Schwartz, D. A.; Kittilstved, K. R.; Gamelin, D. R. "Above-Room-Temperature Ferromagnetic Ni2+:ZnO Thin Films Prepared from Colloidal Diluted Magnetic Semiconductor Quantum Dots." Appl. Phys. Lett., 2004, 85, 1395-1397. (view) Bryan, J. D.; Heald, S. M.; Chambers, S. A.; Gamelin, D. R. "Strong Room-Temperature Ferromagnetism in Co2+-Doped TiO2 made from Colloidal Nanocrystals." J. Am. Chem. Soc., 2004, 126, 11640-11647. (view) Tuan, A.; Bryan, J. D.; Pakomov, A.; Shutthanandan, V.; Thevuthasan, S.; McCready, D.; Gaspar, D.; Engelhard, M.; Rogers, Jr., J. W.; Krishnan, K.; Gamelin, D. R.; Chambers S. A.; "Epitaxial Growth and Properties of Cobalt-doped ZnO on a-Al2O3 Single Crystal Substrates." Phys. Rev. B., 2004, 70, 054424/1-9. (view) Norberg, N. S.; Kittilstved, K. R.; Amonette, J. E.; Kukkadapu, R. K.; Schwartz, D. A.; Gamelin, D. R. "Synthesis of Colloidal Mn2+:ZnO Quantum Dots and High-TC Ferromagnetic Nanocrystalline Thin Films." J. Am. Chem. Soc., 2004, 126, 9387-9398. (view)
2003 Schwartz, D. A.; Gamelin, D. R. "A Simple Room-Temperature Preparation of Colloidal ZnO Quantum Dots from Homogeneous Polar Aprotic Solutions." Proc. SPIE-Int. Soc. Opt. Eng., 2003, 5224, 1-7 (Invited Paper). (view) Radovanovic, P. V.; Gamelin, D. R. "High-Temperature Ferromagnetism in Ni2+-doped ZnO Aggregates Prepared from Colloidal Diluted Magnetic Semiconductor Quantum Dots." Phys. Rev. Lett., 2003, 91, 157202/1-4. (view) Schwartz, D. A.; Norberg, N. S.; Nguyen, Q. P.; Parker, J. M.; Gamelin, D. R. "Magnetic Quantum Dots: Synthesis, Spectroscopy, and Magnetism of Co2+- and Ni2+-Doped ZnO Nanocrystals." J. Am. Chem. Soc., 2003, 125, 13205-13218. (view)
2002 Radovanovic, P. V.; Norberg, N. S.; McNally, K. E.; Gamelin, D. R. "Colloidal Transition-Metal-Doped ZnO Quantum Dots." J. Am. Chem. Soc., 2002, 124, 15192-15193. (view) Radovanovic, P. V.; Gamelin, D. R. "Isocrystalline Core/Shell Synthesis of High Quality II-VI Diluted Magnetic Semiconductor Quantum Dots: Ligand Field Spectroscopic Studies." Proc. SPIE-Int. Soc. Opt. Eng., 2002, 4807, 223-231. (view) Radovanovic, P. V.; Gamelin, D. R. "Magnetic Circular Dichroism Spectroscopy of Co2+:CdS diluted Magnetic Semiconductor Quantum Dots." Proc. SPIE-Int. Soc. Opt. Eng., 2002, 4809, 51-61. (view)
2001 Radovanovic, P. V.; Gamelin, D. R. "Electronic Absorption Spectroscopy of Cobalt Ions in Diluted Magnetic Semiconductor Quantum Dots: Demonstration of an Isocrystalline Core/Shell Synthetic Method" J. Am. Chem. Soc., 2001, 123, 12207-12214. (view) |
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