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Dr. Scott Crooker

Staff Member
LANL, Pulsed Field Facility

Email:
Phone: 505 - 665-7595
Fax: 505 - 665-4311
Address: A114 Mail Stop E536
NHMFL-LANL
Los Alamos , NM 87545-

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Educational Background:
1997, Ph.D., Physics, University of California, Santa Barbara
1992, B.A., Physics, Cornell University

Professional Experience:
2000-2008, Technical Staff Member, National High Magnetic Field Laboratory, Los Alamos
1998-2000, Postdoctoral Research Fellow, Los Alamos National Laboratory

Awards, Honors & Service:
LANL Outstanding Innovation Technology Transfer Award (2007)
Los Alamos National Laboratory Fellows' Prize for Outstanding Research (2007)
Los Alamos Director’s Postdoctoral Fellowship (1998-2000)



Disclaimer: The information presented below was automatically generated from a database. In the rare instance of an exact name match, it is possible that a citation is inaccurately attributed. The listing should therefore be considered unofficial. To report a mismatched publication, contact IMsystems@magnet.fsu.edu.


Publications and Scientific Activities

##Peer-Reviewed Publications
1 Bussian, D.A.; Crooker, S.A.; Yin, M.; Brynda, M.; Efros, A.L. and Klimov, V.I., Tunable magnetic exchange interactions in manganese-doped inverted core-shell ZnSe-CdSe nanocrystals, Nature Materials, 8 (1), 35-40 (2009)
2 Cooley, B.J.; Clark, T.E.; Liu, B.Z.; Eichfeld, C.M.; Dickey, E.C.; Mohney, S.E.; Crooker, S.A. and Samarth, N., Growth of magneto-optically active (ZnMn)Se nanowires, Nano Letters, 9, 3142 (2009)
3 Crooker, S.A. and Samarth, N., Tuning magnetic disorder in diluted magnetic semiconductors using high fields to 89 tesla, Int. J. Mod. Phys. B, 23, 2575 (2009) [read online]
4 Crooker, S.A.; Cheng, L. and Smith, D.L., Spin noise of conduction electrons in n-type bulk GaAs, Phys. Rev. B, 79, 035208 (2009) [read online]
5 Crooker, S.A.; Garlid, E.S.; Chantis, A.N.; Smith, D.L.; Reddy, K.S.M.; Hu, Q.O.; Kondo, T.; Palmstrom, C.J. and Crowell, P.A., Bias-controlled sensitivity of ferromagnet-semiconductor electrical spin detectors, Phys. Rev. B Rapid Commun., 80, 041305 (2009) [read online]
6 Htoon, H.; Crooker, S.A.; Furis, M.; Jeong, S.; Efros, Al.L. and Klimov, V.I., Anomalous circular polarization of photoluminescence spectra of individual CdSe nanocrystals in an applied magnetic field, Phys. Rev. Lett., 102, 017402 (2009)
7 Mui, S.; Ramaswarmy, K.; Stanton, C.J.; Crooker, S.A. and Hayes, S.E., Manifestation of Landau level effects in optically-pumped NMR of semi-insulating GaAs, Phys. Chem. Chem. Phys., 11, 7031 (2009)
8 Shaver, J.A.; Srivastava, A.; Kono, J.; Crooker, S.A.; Htoon, H.; Klimov, V.I.; Fagan, J.A.; Hobbie, E.K.; Ubrig, N.; Portugall, O.; Perebeinos, V. and Avouris, P.H., High field magneto-optical spectroscopy of highly aligned individual and ensemble single-walled carbon nanotubes, Int. J. Mod. Phys. B, 23, 2667 (2009) [read online]
9 Htoon, H.; Furis, M.; Crooker, S.A.; Jeong, S. and Klimov, V.I., Linearly polarized 'fine structure' of the bright exciton state in individual CdSe nanocrystal quantum dots, Phys. Rev. B, 77, 035328 (2008)
10 Kochereshko, V.P.; Andronikov, D.A.; Klochikhin, A.A.; Crooker, S.A.; Karczewski, G. and Kossut, J., Many body effects in the optics of 2D excitons, Physica Status Solidi C-Conf. Proc., 5, 2404 (2008)
11 Shaver, J.; Crooker, S.A.; Fagan, J.A.; Hobbie, E.K.; Ubrig, N.; Portugall, O.; Perebeinos, V.; Avouris, Ph. and Kono, J., Magneto-optical spectroscopy of highly aligned carbon nanotubes: Identifying the role of threading magnetic flux, Phys. Rev. B Rapid Commun., 78, 081402 (2008)
12 Andronikov, D.A.; Fehr, M.; Kochereshko, V.P.; Crooker, S.A. and Karczewski, G., Behavior of excitons and trions in CdTe/CdMgTe quantum-well structures with variations in temperature, Physics of the Solid State, 49 (8), 1567-1571 (2007)
13 Crooker, S.A. and Samarth, N., Tuning alloy disorder in diluted magnetic semiconductors in high fields to 89 T, Appl. Phys. Lett., 90, 102109 (2007)
14 Crooker, S.A.; Furis, M.; Lou, X.; Crowell, P.A.; Smith, D.L.; Adelmann, C. and Palmstrom, C.J., Optical and electrical spin injection and spin transport in hybrid Fe/GaAs devices, J. Appl. Phys., 101, 81716 (2007)
15 Furis, M.; Smith, D.L.; Kos, S.; Garlid, E.S.; Reddy, K.S.M.; Palmstrom, C.J.; Crowell, P.A. and Crooker, S.A., Local Hanle-effect studies of spin drift and diffusion in n:GaAs epilayers and spin transport devices, New Journal of Physics, 9, 347 (2007) [read online]
16 Kochereshko, V.P.; Andronikov, D.A. Klochikhin, A.A.; Crooker, S.A.; Karczewski, G. and Kossut, J., Multielectron processes in the optics of two-dimensional excitons, AIP Conf. Proc., 893, 405-406 (2007)
17 Kos, S.; Hruska, M.; Crooker, S.A.; Saxena, A. and Smith, D.L., Modeling spin-polarized electron transport in semiconductors for spintronics applications, Computing in Science & Engineering, 9 (5), 46-52 (2007)
18 Lou, X.; Adelmann, C.; Crooker, S.A.; Garlid, E.S.; Zhang, J.; Madhukar Reddy, K.S.; Flexner, S.D.; Palmstrom, C.J. and Crowell, P.A., Electrical detection of spin transport in lateral ferromagnet–semiconductor devices, Nature Physics, 3, 197 (2007)
19 Simon, K.; Hruska, M.; Crooker, S.A.; Saxena, A. and Smith, D.L., Modeling spin-polarized electron transport in seminconductor for spintronics applications, Comput. Sci. Eng., 9 (46), 46-52 (2007)
20 Tronc, P.; Andronikov, D.; Kochereshko, V.; Crooker, S.A. and Karczewski, G., Symmetry of trion states in modulation-doped CdTe/CdMgTe nanostructures under a high magnetic field, Physica Status Solidi B-Basic Research, 244, 699 (2007)
21 Cummings, J.; Moore, L.S.; Chou, H.T.; Ku, K.C.; Xiang, G.; Crooker, S.A.; Samarth, N. and Goldhaber-Gordon, D., A tunable anomalous Hall effect in a non-ferromagnetic system, Phys. Rev. Lett., 96, 196404 (2006)
22 Furis, M.; Htoon, H.; Petruska, M.A.; Klimov, V.I.; Barrick, T. and Crooker, S.A., Bright-exciton fine structure and anisotropic exchange in CdSe nanocrystal quantum dots, Phys. Rev. B Rapid Commun., 73, 241313 (2006)
23 Furis, M.; Smith, D.L.; Crooker, S.A. and Reno, J.L., Bias-dependent electron spin lifetimes in n-GaAs and the role of donor impact ionization, Appl. Phys. Lett., 89, 102102 (2006)
24 Gao, X.P.A.; Sohn, J.Y. and Crooker, S.A., Low temperature terahertz spectroscopy of n-InSb through a magnetic field driven metal-insulator transition, Appl. Phys. Lett., 89, 122108 (2006)
25 Hruska, M.; Kos, S.; Crooker, S.A.; Saxena, A. and Smith, D.L., Effects of strain, electric, and magnetic fields on lateral electron-spin transport in semiconductor epilayers, Phys. Rev. B, 73, 075306 (2006)
26 Kang, H.S.; Kim, J.W.; Kim, J.H.; Lee, S.Y.; Li, Y.; Lee, J.S.; Lee, J.K.; Nastasi, M.A.; Crooker, S.A. and Jia, Q.X., Optical property and Stokes' shift of Zn1-xCdxO thin films depending on Cd content, J. Appl. Phys., 99, 66113 (2006)
27 Kang, H.S.; Lim, S.H.; Kim, J.W.; Chang, H.W.; Kim, G.H.; Kim, J.H.; Lee, S.Y. Li, Y.; Lee, J.S.; Nastasi, M.A.; Crooker, S.A. and Jia, Q.X., Exciton localization and Stokes' shift in Zn1-xCdxO thin films depending on chemical compositions, J. Crystal Growth, 287 (1), 70-73 (2006)
28 Keller, D.; Yakovlev, D.R.; Astakhov, G.V.; Ossau, W.; Crooker, S.A.; Slobodskyy, T.; Waag, A.; Schmidt, G. and Molenkamp, L.W., Magneto-optics of two-dimensional electron gases modified by strong Coulomb interactions in ZnSe quantum wells, Phys. Rev. B, 72, 235306 (2006)
29 Kim, E.H.; Shin, Y.H.; Kim, Yongmin; Noh, S.J.; Perry, C.H.; Simmons, J.A.; Crooker, S.A. and Takamasu, T., Nonlinear optical transitions of GaAs/AlGaAs asymmetric double-well structures, Appl. Phys. Lett., 032114 (3), 032114 (2006) [read online]
30 Lou, X.; Adelman, C.; Furis, M.; Crooker, S.A.; Palmstrom, C.J. and Crowell, P.A., Electrical detection of spin accumulation at a ferromagnetic-semiconductor interface, Phys. Rev. Lett., 96, 176603 (2006)
31 Mihaila, B.; Crooker, S.A.; Blagoev, K.B.; Rickel, D.G.; Littlewood, P.B. and Smith, D.L., Spin noise spectroscopy to probe quantum states of ultracold fermionic atomic gases, Phys. Rev. A, 74, 063608 (2006) [read online]
32 Mihaila, B.; Crooker, S.A.; Rickel, D.G.; Blagoev, K.B.; Littlewood, P.B. and Smith, D.L., Quantitative study of spin noise spectroscopy in a classical gas of 41K atoms, Phys. Rev. A, 74, 043819 (2006)
33 Zaric, S.; Ostojic, G.N.; Shaver, J.; Kono, J.; Protugall, O.; Frings, P.H.; Rikken, G.L.J.A.; Furis, M.; Crooker, S.A.; Wei, X.; Moore, V.C.; Hauge, R.H. and Smalley, R.E., Excitons in carbon nanotubes with broken time-reversal symmetry, Phys. Rev. Lett., 96, 016406 (2006)
34 Andronikov, D.; Kochereshko, V.; Platonov, A.; Barrick, T.; Crooker, S.A. and Karczewski, G., Singlet and triplet trion states in high magnetic fields: Photoluminescence and reflectivity spectra of modulation-doped CdTe/Cd0.7Mg0.3Te quantum wells, Phys. Rev. B, 72 (16), 165339 (2005)
35 Andronikov, D.; Kochereshko, V.; Platonov, A.; Crooker, S.A.; Barrick, T. and Karczewski, G., Singlet and triplet trion states in QW structures, AIP Conf. Proc., 772, 973 (2005)
36 Astakhov, G.V.; Yakovlev, D.R.; Redenkov, V.V.; Christianen, P.C.M.; Barrick, T.; Crooker, S.A.; Dzyubenko, A.B.; Ossau, W.; Maan, J.C. and Karczewski, G., et. al., Definitive observation of the dark triplet ground state of charged excitons in high magnetic fields, Phys. Rev. B, 71 (20), 201312-1-4 (2005)
37 Cho, Y.D. (Jho, Y.D.); Kyrychenko, F.V. ; Kono, J. ; Wei, X.; Crooker, S.A.; Sanders, G.D.; Reitze, D.H.; Stanton, C.J. and Solomon, G.S., Role of Coulomb interactions in dark-bright magnetoexciton mixing in strained quantum wells, Phys. Rev. B, 72, 045340 (2005)
38 Crooker, S.A. and Smith, D.L., Imaging spin flows in semiconductors subject to electric, magnetic, and strain fields, Phys. Rev. Lett., 94 (23), 236601-1-4 (2005)
39 Crooker, S.A.; Furis, M.; Lou, X.; Adelmann, C.; Smith, D.L.; Palmstrom, C.J. and Crowell, P.A., Imaging spin transport in lateral ferromagnet/semiconductor structures, Science, 309 (5744), 2191-2195 (2005)
40 Crooker, S.A.; Rickel, D.G.; Balatsky, A.V. and Smith, D.L., Measuring random spin fluctuations for perturbation-free probes of spin dynamics and magnetic resonance, Proc. Society of Photo-Optical Instrumentation Engineers (SPIE), 5843, 58-65 (2005)
41 Furis, M.; Barrick, T.; Crooker, S.A.; Petruska, M.; Klimov, V.I., and Efros, A.L., Exciton Spin States in Nanocrystal Quantum Dots Revealed by Spin-Polarized Resonant Photoluminescence and Raman-Spectroscopy, Int. J. Mod. Phys. B, 18, 3769-3774 (2005)
42 Furis, M.; Hollingsworth, J.; Klimov, V.A., and Crooker, S.A., Time and Polarization-Resolved Optical Spectroscopy of Colloidal CdSe Nanocrystal Quantum Dots in High Magnetic Fields, J. Phys. Chem. B, 109, 15332-15338 (2005)
43 Furis, M.; Robbins, P.D.; Barrick, T.; Petruska, M.; Klimove, V.I., and Crooker, S.A., Spin-Polarized PL and Raman Spectroscopy of Nanocrystal Quantum Dots in High Magnetic Fields, Proc. 27th Int. Conf. on the Physics of Semiconductors, 772, 709-10 (2005)
44 Jho, Y.D.; Wang, X.; Kyrychenko, F.V.; Reitze, D.H.; Kono, J.; Stanton, C.J.; Kono, J.; Wei, X.; Crooker, S.A.; Kadow, C. and Gossard, A.C., Interband Magnetic Spectroscopy of a Two-Dimensional Electron Gas in a Strong In-plane Magnetic Field, Proc. Int. 16th Conf. on High Magnetic Fields in Semiconductor Physics, -, 383-386 (2005)
45 Kochereshko, V.; Andronikov, D.; Karczewski, G. and Crooker, S.A., Excitons and trions in heavily doped QWs at high magnetic fields, AIP Conf. Proc., 772, 983 (2005)
46 Kochereshko, V.P.; Andronikov, D.A.; Karczewski, G. and Crooker, S.A., Excitons and trions in heavily doped QWs at high magnetic fields, Physica Status Solidi C-Conf. Proc., 2 (2), 877-880 (2005)
47 Lin, Y.; Xie, J.; Wang, H.; Li, Y.; Chavez, C.; Lee, S.Y.; Foltyn, S.R.; Crooker, S.A.; Burrell, A.K. and McCleskey, T.M., et al., Green luminescent zinc oxide films prepared by polymer-assisted deposition with rapid thermal process, Thin Solid Films, 492 (1-2), 101-4 (2005)
48 Sohn, J.Y.; Gao, X.P.A. and Crooker, S.A., Time domain terahertz spectroscopy of the magnetic field induced metal-insulator transition in n : InSb, AIP Conf. Proc., 772, 1216 (2005)
49 Zaric, S.; Ostojic, G.N.; Shaver, J.; Kono, J.; Wei, X.; Furis, M.; Crooker, S.A.; Portugall, O.; Frings, P.H. and Rikken, G.L.J.A., et al., Magneto-optical spectroscopy of carbon nanotubes, Physica E, 29 (3-4), 469-474 (2005)
50 Astakhov, G.V.; Yakovlev, D.R.; Crooker, S.A.; Ossau, W.; Christianen, P.C.M.; Rudenkov, V.V.; Karczewski, G.; Wojtowicz, T. and Kossut, J., Identification of singlet and triplet states of negatively charged excitons in CdTe-based quantum wells, Physica Status Solidi C-Conf. Proc., 2004 (3), 551-4 (2004)
51 Cho, Y.D. (appeared as Jho, Y.D.); Kyrychenko, F.V.; Kono, J.; Crooker, S.A.; Sanders, G.D.; Reitze, D.H.; Stanton, C.J.; Wei, X.; Kadow, C. and Gossard, A.C., Interband Magento-Spectroscopy of a High-Density Two-dimensional Electron Gas in a Strong In-Plane Magnetic Field, Int. J. Mod. Phys. B, 18, 3831 (2004)
52 Crooker, S.A.; Rickel, D.G.; Balatsky, A.V. and Smith, D.L., Spectroscopy of spontaneous spin noise as a probe of spin dynamics and magnetic resonance, Nature, 431, 49-52 (2004)
53 Kyrychenko, F.V.; Cho, Y.D. (appeared as Jho, Y.D.); Kono, J.; Crooker, S.A.; Sanders, G.D.; Reitze, D.H.; Stanton, C.J.; Wei, X.; Kadow, C. and Gossard, A.C., Interband magnetoabsorption study of the shift of the Fermi energy of a 2DEG with an in-plane magnetic field, Physica E, 22 (1-3), 624-7 (2004)
54 Lee, S.Y.; Li, Y.; Lee, J.S.; Lee, J.K.; Nastaski, M.; Crooker, S.A.: Jia, Q.X.; Kang, H.-S. and Kang, J.-S., Effects of chemical composition on the optical properties of Zn1-xCdxO thin films, Appl. Phys. Lett., 12 (85), 218-20 (2004)
55 Achermann, M.; Petruska, M.A.; Crooker, S.A. and Klimov, V.I., Picosecond energy transfer in quantum dot Langmuir-Blodgett nanoassemblies, J. Phys. Chem. B, 107, 13782-13787 (2003)
56 Crooker, S.A.; Barrick, T.; Hollingsworth, J.A. and Klimov, V.I., Ultrafast coherent terahertz spectroscopy in high magnetic fields and directed energy flows in quantum dot assemblies, Acta Physica Polonica A, 104 (2), 113-122 (2003)
57 Crooker, S.A.; Barrick, T.; Hollingsworth, J.A. and Klimov, V.I., Multiple temperature regimes of radiative decay in CdSe nanocrystal quantum dots: Intrinsic limits to the dark-exciton lifetime, Appl. Phys. Lett., 82 (17), 2793-2795 (2003)
58 Gurevich, A.S.; Astakhov, G.V.; Suris, R.A.; Kochereshko, V.P.; Yakovlev, D.R.; Ossau, W.; Crooker, S.A. and Karczewski, G., Filling-factor dependence of magneto-luminescence in II-VI QWs with 2DEG, Proc. Society of Photo-Optical Instrumentation Engineers (SPIE), 5023, 82-85 (2003)
59 Lee, S.Y.; Li, Y.; Lee, J.S.; Lee, J.K.; Nastasi, M.; Crooker, S.A.; Jia, Q.X.; Kang, H.S. and Kang. J.S., Modulation of energy band gap of ZnO thin films grown by pulsed laser, Materials Research Society Symposium Proc., 764, 413-417 (2003)
60 Yakovlev, D.R.; Astakhov, G.V.; Ossau, W.; McCulloch, Q.; Crooker, S.A. and Dzyubenko, A.B., Singlet and triplet states of charged excitons in ZnSe-based QWs probed by high magnetic fields, Proc. Society of Photo-Optical Instrumentation Engineers (SPIE), 5023, 529-532 (2003)
61 Astakhov, G.V.; Yakovlev, D.R.; Kochereshko, V.P.; Ossau, W.; Faschinger, W.; Puls, J.; Henneberger, F.; Crooker, S.A.; McCulloch, Q. and Woverson, D., Binding Energy of Charged Excitons in ZnSe-Based Quantum Wells, Phys. Rev. B, 6516 (16), 5335 (2002)
62 Crooker, S.A. and Taylor, A.J., Ultrafast Coherent Terahertz Spectroscopy in High Magnetic Fields, Int. J. Mod. Phys. B, 16 (20-22), 3385-3388 (2002)
63 Crooker, S.A., Fiber-Coupled Antennas for Ultrafast Coherent Terahertz Spectroscopy in Low Temperatures and High Magnetic Fields, Rev. Sci. Instrum., 73 (9), 3258-3264 (2002)
64 Crooker, S.A.; Hollingsworth, J.A.; Tretiak, S. and Klimov, V.I., Spectrally Resolved Dynamics of Energy Transfer in Quantum-Dot Assemblies: Towards Engineered Energy Flows in Artificial Materials, Phys. Rev. Lett., 8918 (18), 6802-6804 (2002)
65 Jones, E.D.; Reno, J.L.; Crooker, S.; Bajaj, K.K. and Coli, G., High Magnetic Field Dependent Diamagnetic Shifts in AlxGa1-xAs Semiconductor Alloys, Int. J. Mod. Phys. B, 16 (20-22), 2960-2963 (2002)
66 Negre, N.; Crooker, S.A.; Wois, A. and Karczewski, G., High Magnetic Field Optical Studies of Charged Exciton in CdTe 2D Electron Gases, Int. J. Mod. Phys. B, 16 (20-22), 2972-2973 (2002)
67 Ossau, W.; Yakovlev, D.R.; Astakhov, G.V.; Waag, A.; Meinig, C.J.; Nickel, H.A.; McCombe, B.D. and Crooker, S.A., High magnetic field optical studies of 2DEG in modulation-doped ZnSe quantum wells, Physica E, 12 (1-4), 512-515 (2002)
68 Sushkov, A.B.; Musfeldt, J.L.; Wei, X.; Crooker, S.A.; Jegoudez, J. and Revcolevschi, A., Low-energy excitations in the magneto-optical response of alpha'-NaV2O5, Phys. Rev. B, 66, 054439 (2002)
69 Yarotski, D.A.; Averitt, R.D.; Negre, N.; Crooker, S.A.; Taylor, A.J.; Donati, G.P.; Stintz, A.; Lester, L.F. and Maloy, K.J., Ultrafast carrier-relaxation dynamics in self-assembled InAs/GaAs quantum dots, J. Optical Society of America B-Optical Physics, 19 (6), 1480-1484 (2002)
70 Crooker, S.A.; Rickel, D.G.; Johnston-Halperin, E.; Awschalom, D.D.; Knobel, R.; Samarth, N.; Lyo, S.K. and Efros, A., Optical spectroscopy of magnetic 2D electron gases at the Los Alamos pulsed magnetic field facility, Physica B, 298 (1-4), 369-75 (2001)
71 Johnston-Halperin, E.; Awschalom, D.D.; Crooker, S.A.; Efros, A.L.; Rosen, M; Peng, X. and Alivisatos, A.P., Spin spectroscopy of dark excitons in CdSe quantum dots to 60 T, Phys. Rev. B, 63 (20), 205309 (2001)
72 Sushkov, A.B.; Musfeldt, J.L.; Crooker, S.A.; Jegoudez, J. and Revcolevschi, A., Using Electronic Structure Changes to Map the H-T Phase Diagram of Alpha'-NaV2O5, Phys. Rev. B Rapid Commun., 63 (22), R220401/1-4 (2001)
73 Yakovlev, D.R; Astakhov, G.V.; Ossau, W.; Crooker, S.A.; Uchida, K.; Miura, N.; Waag, A.; Gippius, N.A.; Sivachenko, A. Yu. and Dzyubenko, A.B., Trions in ZnSe-Based Quantum Wells Probed by 50 T Magnetic Fields, Physica Status Solidi B-Basic Research, 227 (2), 353-356 (2001)
##Presentations, Posters & Abstracts
1 Crooker, S.A., Toward efficient electrical spin detection in lateral spin-transport devices, SPINOS-2009, Salt Lake City, UT, February 4-7 (2009)
2 Crooker, S.A., Imaging spin injection and transport in semiconductor spintronic devices, Optics Seminar-University of Oregon, Eugene, OR, February 2 (2009)
3 Crooker, S.A., Tunable magnetic exchange interactions in magnetically-doped core/shell nanocrystals, Excited State Processes in Electronic and Bio-Nanomaterials, Santa Fe, NM, June 29-July 2 (2009)
4 Crooker, S.A., Imaging the injection and flow of spin-polarized electrons in semiconductors, University of Dortmund, Dortmund, Germany, October 7 (2009)
5 Crooker, S.A., Toward efficient electrical spin detection in lateral spin-transport devices, Symposium on Spin Manipulation in Solid-State Systems, Wurzburg, Germany, October 8-9 (2009)
6 Crooker, S.A., Efficient electrical spin detection and spin noise spectroscopy, Tohoku University, Sendai, Japan, December 9 (2009)
7 Crooker, S.A., Optical spectroscopy of magnetic semiconductors in pulsed magnetic fields to 89 Tesla, 6th Int. Joint IMR Symposium on High Magnetic Field Spin Science in 100T, Tohoku University, December 8 (2009)
8 Hayes, S.E. (Sophia); Crooker, S.A. and Stanton, C.J., OPNMR of GaAs: Roadmaps for New Routes through the Opto-Electronic ‘Landscape’, Gordon Research Conference on Magnetic Resonance, Biddeford, ME, June (2009)
9 Hayes, S.E.(Sophie); Crooker, S.A. and Stanton, C.J., A New Model of Optically-pumped NMR in Direct-Gap Semiconductors, Alpine Conference on Solid-state NMR, Chamonix, France, September (2009)
10 Crooker, S.A., Imaging spin injection in ferromagnet/semiconductor spin transport devices, Experimental Condensed Matter Physics Seminar, Columbus, OH, February 8 (2008)
11 Crooker, S.A., Spin injection, transport, and imaging in epitaxial Fe/GaAs devices, 35th Conf. on the Physics and Chemistry of Semiconductor Interfaces (PCSI-35), Santa Fe, NM, January 13-17 (2008)
12 Crooker, S.A., Tuning magnetic disorder in diluted magnetic semiconductors in high magnetic fields to 89T, 18th Int. Conf. on the Physics of Semiconductors in High Magnetic Fields, Sao Pedro, Brazil, August 3-8 (2008)
13 Crooker, S.A., Imaging spin injection and spin transport in semiconductors, Conf. on Lasers and Opto-Electronics (CLEO/QUELS 2008), San Jose, CA, May 7-9 (2008)
14 Crooker, S.A., Imaging the drift and diffusion of optically- and electrically-injecting spins in semiconductors, American Physical Society March Meeting, New Orleans, LA, April 9-14 (2008)
15 Crooker, S.A., Exciton fine structure in semiconductor nanocrystals using high-field and single-dot spectroscopy, DOE/BES program review, AMOS-2008, Warrington, VA, September 14-17 (2008)
16 Crooker, S.A., Imaging spin flows in Fe/GaAs electrical spin injection and detection, 2007 Materials Research Society (MRS) Fall Meeting, Boston, MA, November 26-27 (2007)
17 Crooker, S.A., Tuning the sign and sensitivity of Fe/GaAs electrical spin detectors, SPINTECH-IV, Maui, Wailea, Maui, June 20-22 (2007)
18 Crooker, S.A., Imaging spin injection and spin transport in lateral Fe/GaAs devices, Optical Properties of Low Dimensional Semiconductors (OPLDS2007), Ottawa, Canada, May (2007)
19 Crooker, S.A., Imaging spin injection in semiconductors, University of Pennsylvania, Philadelphia, PA, March 28 (2007)
20 Crooker, S.A., Imaging the injection and flow of spin polarized electrons in ferromagnet-semiconductor devices, Condensed Matter Physics Seminar, Princeton, NJ, March 26 (2007)
21 Crooker, S.A., Imaging the injection /flow of spin polarized electrons in ferromagnet-semiconductor devices, Sandia National Lab, Albuquerque, NM, March 21 (2007)
22 Crooker, S.A., Imaging spin injection in ferromagnet/semiconductor spin transport devices, Experimental Condensed Matter Physics Seminar, Ohio State University, Columbus, OH, February 8 (2007)
23 Crooker, S.A., Spin injection, transport, and imaging in epitaxial Fe/GaAs devices, 35th Conf. on the Physics and Chemistry of Semiconductor Interfaces (PCSI-35), Santa Fe, NM, January 13-17 (2007)
24 Crooker, S.A., Imaging spin flows in Fe/GaAs electrical spin detectors, 2007 Materials Research Society (MRS), Fall Meeting, Boston, MA, November 26-27 (2007)
25 Crooker, S.A., Spectroscopy of spontaneous spin noise in atomic and solid state systems, Gordon Research Conf. on Ultrafast Phenomena in Correlated Systems, Buellton, CA, USA, February (2006)
26 Crooker, S.A., Imaging electrical spin injection in semiconductor-ferromagnet devices, 14th Int. Symposium on the Physics and Technology of Nanostructures, St. Petersburg, Russia, June 26-30 (2006)
27 Crooker, S.A., Imaging spin transport in lateral ferromagnet-semiconductor devices, Nanoscience Seminar, UC-Riverside, Riverside, CA, USA, January (2006)
28 Crooker, S.A., Imaging the flow of spin-polarized electrons in semiconductors, Department of Physics Colloquium, UC Santa Cruz, Santa Cruz, CA, USA, January (2006)
29 Crooker, S.A., Imaging spin injection in Fe/GaAs devices, 53rd Int. AVS Meeting, San Francisco, CA, November 12-17 (2006)
30 Crooker, S.A., Imaging electrical spin injection in semiconductor-ferromagnet devices, 28th Int. Conf. on the Physics of Semiconductors, Vienna, Austria, July (2006)
31 Crooker, S.A., Imaging electrical spin injection and spin transport in semiconductor-ferromagnet devices, UC San Diego Department of Physics Condensed Matter Physics Seminar, San Diego, CA, December (2006)
32 Crooker, S.A., Spectroscopy of spontaneous spin noise for probes of spin dynamics and magnetic resonance, 2005 American Physical Society March Meeting, Los Angeles, CA, March 21-25 (2005)
33 Crooker, S.A., Imaging the flow of electron spins in semiconductors in the presence of electric, magnetic, and strain fields, 16th International Conference on Elec. Prop. of 2-D Systems (EP2DS-16), Albuquerque, NM, USA, July 10-15 (2005)
34 Crooker, S.A., Imaging spin flows in semiconductors in the presence of electric, magnetic, and strain fields, Exciton-Electron Interactions in Semiconductor Nanostructures, Bad Honnef, Germany, May 29-June 2 (2005)
35 Crooker, S.A., Measuring random spin fluctuations for perturbation-free probes on spin dynamics and magnetic resonances, 3rd SPIE International Symposium on Fluctuations and Noise, Austin, TX, USA, May 24-25 (2005)
36 Crooker, S.A., Imaging electrical spin injection and spin flow in ferromagnet/semiconductor devices, Solid State and Optics Seminar, Yale University, New Haven, CT, USA, October 5 (2005)
37 Crooker, S.A., Imaging spin flows in semiconductors in the presence of electric, magnetic, and strain fields, Radboud University, Nijmegen, The Netherlands, May 27 (2005)
38 Crooker, S.A., Imaging spin flows in semiconductors, 35th Winter Colloquium on the Physics of Quantum Electronics (PQE-2005), Snowbird, UT, USA, January 2-6 (2005)
39 Furis, M.; Barrick, T.; Crooker, S.A.; Petruska, M.; Klimov, V., and Efros, Al. L., Exciton Spin States in Nanocrystal Quantum Dots Revealed by Spin-Polarized Resonant Photoluminescence and Raman Spectroscopy, 16th Int. Conf. on High Magnetic Fields in Semiconductor Physics, SEMIMAG16, Tallahassee, FL, USA, August 2-6 (2005)
40 Furis, M.; Barrick, T.; Crooker, S.A.; Petruska, M.; Klimov, V.I., and Efros, Al. L., Mapping Exciton Spin States in CdSe Nanocrystals with Spin-Polarized, Resonant Photoluminescence Spectroscopy, American Physical Society March Meeting, Los Angeles, CA, March 21-25 (2005)
41 Furis, M.; Barrick, T.; Robbins, P.D.; Crooker, S.A.; Petruska, M.; Hollingsworth, J., and Klimov, V.I., Probing Exciton Spin States in CdSe Nanocrystals Using Resonant Photoluminescence, Excited State Process in Nano- and Bio-Materials, Santa Fe, NM, USA, August 8-11 (2005)
42 Furis, M.; Crooker, S.A.; Petruska, M.; Hollingsworth, J., and Klimov, V.I., Photoluminescence Studies of CdSe Colloidal Nanocrystals in High Magnetic Fields, Physical Phenomena in High Magnetic Fields V, Tallahassee, FL, USA, August 4-9 (2005)
43 Kono, J.; Zaric, S.; Ostojic, G.N.; Shaver, J.; Wei, X.; Portugall, O.; Frings, P.H.; Rikken, G.L.J.A.; Crooker, S.A.; Furis, M.; Mueller, H.U.; von Ortenberg, M.; Moore, V.C.; Hauge, R.H. and Smalley, R.E., Magneto-Optics in Carbon Nanotubes, Materials Research Society Spring 2005 Meeting, San Francisco, CA, March 28-April 1 (2005)
44 Kono, J.; Zaric, S.; Shaver, J.; Ostojic, G.N.; Lim, Y.-S.; Haroz, E.; Moore, V.C.; Hauge, R.H.; Smalley, R.E.; Wei, X.; Doorn, S.; Crooker, S.A.; Mielke, C.; Portugall, O.; Frings, P.H. and Rikken, G.L, Ultrafast and Magneto-Optical Spectroscopy of Carbon Nanotubes, Massachusetts Institute of Technology, Boston, MA, October 11 (2005)
45 Kono, J.; Zaric, S.; Shaver, J.; Ostojic, G.N.; Moore, V.C.; Hauge, R.H.; Smalley, R.E.; Wei, X.; Crooker, S.A.; Mielke, C.; Portugall, O.; Frings, P.H.; Rikken, G.L.J.A.; Hansel, S. and Kirste, A., Spectroscopy of Carbon Nanotubes in Ultrahigh Magnetic Fields, University of Regensburg, Regensburg, Germany, September 30 (2005)
46 Kono, J.; Zaric, S.; Shaver, J.; Ostojic, G.N.; Moore, V.C.; Hauge, R.H.; Smalley, R.E.; Wei, X.; Crooker, S.A.; Portugall, Frings, P.H.; O.; Leotin, J.; Rikken, G.L.J.A.; Hansel, S. and Kirste, A., Optical Detection of the Aharonov-Bohm Phase in Carbon Nanotubes in Ultrahigh Magnetic Fields, The Sixth Int. Conf. in the Science and Application of Nanotubes, Gothenburg, Sweden, June 26-July 1 (2005)
47 Kono, J.; Zaric, S.; Shaver, J.; Ostojic, G.N.; Moore, V.C.; Hauge, R.H.; Smalley, R.E.; Wei, X.; Crooker, S.A.; Portugall, O.; Frings, P.H.; Leotin, J. and Rikken, G.L.J.A., Optical Signatures of the Aharonov-Bohm Phase in Carbon Nanotubes, Physics Department, Case Western Reserve University, Cleveland, OH, February 3 (2005)
48 Zaric, G.N.; Kono, J.; Portugall, O.; Frigs, P.; Rikken, G.; Crooker, S.A.; Furis, M.; Wei, X.; Mueller, H.U.; Von Ortenberg, M.; Moore, V.C.; Shaver, J.; Hauge, R.H., and Smalley, R.E., Interband Magneto-Optics in Carbon Nanotubes in Pulsed High Magnetic Fields, American Physical Society March Meeting, Los Angeles, CA, March 21-25 (2005)
49 Zaric, S.; Ostojic, G.N.; Kono, J.; Portugall, O.; Frings, P.H.; Rikken, G.L.J.A.; Crooker, S.A.; Furis, M.; Wei, X.; Mueller, H.U.; von Ortenberg, M.; Moore, V.C.; Shaver, J.; Hauge, R.H. and Smalley, R.E., Interband Magneto-Optics in Carbon Nanotubes in Pulsed High Magnetic Fields, American Physical Society March Meeting, Los Angeles, CA, March 21-25 (2005)
50 Andronikov, D.; Kochereshko, V.; Platonov, A.; Crooker, S.A.; Barrick, T. and Karczewski, G., Excitons and trions states in quantum well structures, 27th Int. Conf. on the Physics of Semiconductors, Flagstaff, AZ, July 26-30 (2004)
51 Astakhov, G.V.; Yakovlev, D.R.; Rudenkov, V.V.; Christianen, P.C.M.; Maan, J.C.; Crooker, S.A.; Ossau, W.; Karczewski, G.; Wojtowicz, T. and Kossut, J., Hidden crossover of singlet and triplet states of charged excitons in high magnetic fields, 27th Int. Conf. on the Physics of Semiconductors, Flagstaff, AZ, July 26-30 (2004)
52 Cho, Y.D. (appeared as Jho, Y.D.); Crooker, S.A.; Wang, X.; Wei, X.; Kono, J.; Reitze, D.H.; Kyrychenko, F.V.; Stanton, C.J.; Kadow, C. and Gossard, A.C., Many-body interaction in the shifts of the Fermi energy of a two-dimensional electron gas, American Physical Society March Meeting, Montreal, Quebec, Canada, March 22-26 (2004)
53 Cho, Y.D. (appeared as Jho, Y.D.); Kyrychenko, F.V.; Kono, J.; Crooker, S.A.; Sanders, G.D.; Reitze, D.H.; Stanton, C.J.; Wei, X.; Kadow, C. and Gossard, A.C., Interband Magneto-Spectroscopy of a High-Density Two-Dimensional Electron Gas, SemiMag16, Tallahassee, FL, August 2-6 (2004)
54 Cho, Y.D. (appeared as Y.D. Jho); Kono, J.; Crooker, S.A.; Sanders, G.D.; Reitze, D.H.; Stanton, C.J.; Wei, X.; Kadow C. and Gossard, A.C., Evolution of the Fermi energy of a two-dimensional electron gas in strong in-plane magnetic fields, SemiMag16, Tallahassee, FL, August 2-6 (2004)
55 Crooker, S.A., Spin noise spectroscopy as a probe of spin dynamics and magnetic resonance, Theoretical Division, Los Alamos National Laboratory, Los Alamos, NM, November 15 (2004)
56 Crooker, S.A., Imaging electron spin flows in semiconductors, Pennsylvania State University, Dept. of Physics CAMP Seminar, University Park, PA, December 7 (2004)
57 Crooker, S.A., Engineered energy flows in nanocrystal quantum dot assemblies, 34th Winter Colloquium on the Physics of Quantum Electronics, Snowbird, UT, January 5-8 (2004)
58 Crooker, S.A.; Rickel, D.G.; Balatsky, A.V. and Smith, D.L., Spectroscopy of spontaneous spin noise as a probe of magnetic resonance, 3rd Int. Conf. on Physics and Applications of Spin-Related Phenomena in Semiconductors, Santa Barbara, CA, July 21-23 (2004)
59 Furis, M.; Barrick, T.; Robbins, P.D.; Crooker, S.A.; Petruska, M.; Klimov, V. and Efros, A.L., Exciton spin states in nanocrystal quantum dots revealed by spin polarized resonant photolumninescence and Raman spectroscopy, 16th Int. Conf. on High Magnetic Fields in Semiconductor Physics, Tallahassee, FL, August 2-6 (2004)
60 Furis, M.; Crooker, S.A.; Barrick, T.; Petruska, M. and Klimov, V.I., Spin-polarized PLE and Raman spectroscopy of nanocrystal quantum dots in high magnetic fields, 27th Int. Conf. on the Physics of Semiconductors, Flagstaff, AZ, July 26-30 (2004)
61 Jho, Y.D.; Kono, J.; Crooker, S.A.; Kyrychenko, F.; Wang, S.; Reitze, D.H.; Stanton, C.J.; Kadow, C.; Gossard, A.C. and Wei, X., Interband magneto-optics of Fermi-edge in 2DEG with In-Plane Field: Influence of many-body interaction and metal-to-insulator transition, SemiMag 16, Tallahassee, FL, August 5 (2004)
62 Jho, Y.-D.; Wang, X.; Reitze, D.H.; Kono, J.; Crooker, S.A.; Wei, X.; Kyrychenko, F.; Stanton, C.J.; Solomon, G.S.; Kadow, C. and Gossard, A.C., Many-body interaction in the shifts of the Fermi energy of a two-dimensional electron gas, Annual Meeting of the American Physical Society, Montreal, Canada, March 24 (2004)
63 Jho, Y.D.; Crooker, S.A.; Wang, X.; Wei, X.; Kyrychenko, F.V.; Kono, J.; Stanton, C.J.; Kadow, C.; Gossard, A.C. and Reitze, D.H., Interband magneto-spectroscopy of a high-density two-dimensional electron gas in a strong in-plane magnetic field, 16th Int. Conf. on High Magnetic Fields in Semiconductor Physics, Tallahassee, FL, August 2-6 (2004)
64 Rudenkov, V.V.; Christianen, P.C.M.; Crooker, S.A.; Yakovlev, D.R.; Reuter, D.; Wieck, A.D. and Maan, J.C., Singlet and triplet trions in states in quantum well structures, 16th Int. Conf. on High Magnetic Fields in Semiconductor Physics, Tallahassee, FL, August 2-6 (2004)
65 Sohn, J.Y.; Gao, X. and Crooker, S., Ultrafast terahertz spectroscopy of the magnetic field induced metal-to-insulator transition in n:InSb, 27th Int. Conf. on the Physics of Semiconductors, Flagstaff, AZ, July 26-30 (2004)
66 Astakhov, G.; Yakovlev, D. and Crooker, S.A., Fine structure of charged excitons in CdTe-based quantum wells in high magnetic fields up to 50 T (poster), 8th Conf.: Optics of Excitons in Confined Systems, Lecce, Italy, September 15-17 (2003)
67 Crooker, S.A, Toward Directed Energy Flows in Quantum Dot Assemblies, (invited) 32nd Int. School on the Physics of Semiconducting Compounds, Jaszowiec, Poland, May 30-June 6 (2003)
68 Crooker, S.A., Optical Spectroscopy in High Magnetic Fields, (invited) University of Wuerzburg, Germany, Wuerzburg, Germany, May 26 (2003)
69 Crooker, S.A., Ultrafast Coherent Terahertz Spectroscopy in High Magnetic Fields, (invited talk) Int. Conf. on Terahertz Electronics, Sendai, Japan, September 24-26 (2003)
70 Crooker, S.A., Towards Engineered Energy Flows in Nanocrystal Quantum Dot Assemblies, (invited) March Meeting of the American Physical Society, Austin, TX, March (2003)
71 Crooker, S.A., Ultrafast THz Spectroscopy in High Magnetic Fields, CLC Workshop on Induced Collective Phenomena in Semiconductors, Austin, TX, March 2 (2003)
72 Kyrychenko, F.V.; Cho, Y.D. (appeared as Jho, Y.D.); Kono, J.; Crooker, S.A.; Sanders, G.D.; Reitze, D.H.; Stanton, C.J.; Wei, X.; Kadow, C. and Gossard, A.C., Evolution of the Fermi energy of a two-dimensional electron gas in strong in-plane magnetic fields, 15th Int. Conf. Electronic Properties of Two-Dimensional Systems (EP2DS-15), Nara, Japan, July 14-18 (2003)
73 Yakovlev, D.R.; Astakhov, G.V.; Keller, D.; Ossau, W.; Crooker, S.A. and Waag, A., II-VI Quantum Wells with High Carrier Densities and in High Magnetic Fields, Int. Conf. on II-VI Compounds, Niagra Falls, NY, September (2003)
74 Crooker, S.A., Dynamics of Exciton Transfer in Quantum Dot Assemblies, Laser Science XVIII, Orlando, FL, September 29-October 3 (2002)
75 Crooker, S.A., Levitation, Superconductivity, and the World's Largest Magnets, Plasma Physics Summer School, Los Alamos, NM, August 23 (2002)
76 Crooker, S.A., Towards engineered energy flows in artificial materials, NHMFL Friday Physics Seminar, Los Alamos, NM, November 22 (2002)
77 Sushkov, A.B.; Musfeldt, J.L.; Wei, X.; Crooker, S.A.; Jegoudez, J. and Revcolevschi, A., Field-induced electronic structure changes in alpha'-NaV2O5, American Physical Society March Meeting, Indianapolis, IN, March (2002)
##Internet Disseminations
1 Crooker, S.A.; Garlid, E.; Chantis, A.N.; Smith, D.L.; Reddy, K.S.M.; Hu, Q.; Kondo, T.; Palmstrom, C.J. and Crowell, P.A., Bias-controlled sensitivity of ferromagnet-semiconductor electrical spin detectors, http://arxiv.org/abs/0809.1120, (January 2008)
2 Zaric, S.; Ostojic, G.N.; Shaver, J.; Kono, J.; Portugall, O.; Frings, P.H.; Rikken, G.L.J.A.; Furis, M.; Crooker, S.A.; Wei, X.; Moore, V.C.; Hauge, R.H. and Smalley, R.E., Excitons in Carbon Nanotubes with Broken Time-Reversal Symmetry, http://arxiv.org/abs/cond-mat/0509429, (September 16 2005)




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