Find Research Output

Search concepts
Selected Filters
2014
2 Citations (Scopus)

Structural, electronic, and magnetic properties of single MnAs nanoclusters in GaAs

Smakman, E. P., Mauger, S., Rench, D. W., Samarth, N. & Koenraad, P. M., Dec 8 2014, In : Applied Physics Letters. 105, 23, 232405.

Research output: Contribution to journalArticle

nanoclusters
magnetic properties
electronics
scanning tunneling microscopy
molecular beam epitaxy
2013

Characterization of Zn1-xMnxSe nanowires and nanoribbons with cation sublattice ordering

Andre, K. L., Zhang, D. M., Gutierrez, H. R., Dickey, E. C., Samarth, N. & Mohney, S. E., May 20 2013, In : Journal of Crystal Growth. 375, p. 95-99 5 p.

Research output: Contribution to journalArticle

Nanoribbons
Carbon Nanotubes
sublattices
Nanowires
Cations
4 Citations (Scopus)

Domain dynamics in thin solid films following ultrashort pulse excitation

Dean, J. J., Rench, D. W., Samarth, N. & Van Driel, H. M., Jul 17 2013, In : Physical Review Letters. 111, 3, 035701.

Research output: Contribution to journalArticle

pulses
excitation
film cooling
heat
thick films
16 Citations (Scopus)

Ferromagnetism and infrared electrodynamics of Ga1-xMn xAs

Chapler, B. C., Mack, S., Myers, R. C., Frenzel, A., Pursley, B. C., Burch, K. S., Dattelbaum, A. M., Samarth, N., Awschalom, D. D. & Basov, D. N., May 29 2013, In : Physical Review B - Condensed Matter and Materials Physics. 87, 20, 205314.

Research output: Contribution to journalArticle

Ferromagnetism
Electrodynamics
electrodynamics
ferromagnetism
Infrared radiation
22 Citations (Scopus)

Ferromagnetism in Bi2Se3:Mn epitaxial layers

Von Bardeleben, H. J., Cantin, J. L., Zhang, D. M., Richardella, A. R., Rench, D. W., Samarth, N. & Borchers, J. A., Aug 30 2013, In : Physical Review B - Condensed Matter and Materials Physics. 88, 7, 075149.

Research output: Contribution to journalArticle

Ferromagnetic resonance
Ferromagnetism
Epitaxial layers
ferromagnetic resonance
frequency modulation
60 Citations (Scopus)

Growth and characterization of hybrid insulating ferromagnet-topological insulator heterostructure devices

Kandala, A., Richardella, A., Rench, D. W., Zhang, D. M., Flanagan, T. C. & Samarth, N., Nov 11 2013, In : Applied Physics Letters. 103, 20, 202409.

Research output: Contribution to journalArticle

retarding
insulators
fabrication
15 Citations (Scopus)

Surface-sensitive two-dimensional magneto-fingerprint in mesoscopic Bi 2Se3 channels

Kandala, A., Richardella, A. R., Zhang, D., Flanagan, T. C. & Samarth, N., Jun 12 2013, In : Nano letters. 13, 6, p. 2471-2476 6 p.

Research output: Contribution to journalArticle

Orbits
Thin film devices
Coherent scattering
Galvanomagnetic effects
Surface morphology
2012
39 Citations (Scopus)

Anomalous anisotropic magnetoresistance in topological insulator films

Wang, J., Li, H., Chang, C., He, K., Lee, J. S., Lu, H., Sun, Y., Ma, X., Samarth, N., Shen, S., Xue, Q., Xie, M. & Chan, M. H. W., Oct 2012, In : Nano Research. 5, 10, p. 739-746 8 p.

Research output: Contribution to journalArticle

Enhanced magnetoresistance
Surface states
Bias currents
Crystal symmetry
Scanning tunneling microscopy

Erratum: Measurements of nanoscale domain wall flexing in a ferromagnetic thin film (Physical Review Letters)

Balk, A. L., Nowakowski, M. E., Wilson, M. J., Rench, D. W., Schiffer, P., Awschalom, D. D. & Samarth, N., Jun 21 2012, In : Physical Review Letters. 108, 25, 259901.

Research output: Contribution to journalComment/debate

flexing
domain wall
thin films
41 Citations (Scopus)

Ferromagnetic semicondutors: Battle of the bands

Samarth, N., Jan 1 2012, In : Nature Materials. 11, 5, p. 360-361 2 p.

Research output: Contribution to journalShort survey

Ferromagnetism
Fermi level
Impurities
ferromagnetism
Hamiltonians
243 Citations (Scopus)

Hedgehog spin texture and Berryg's phase tuning in a magnetic topological insulator

Xu, S. Y., Neupane, M., Liu, C., Zhang, D., Richardella, A., Andrew Wray, L., Alidoust, N., Leandersson, M., Balasubramanian, T., Sánchez-Barriga, J., Rader, O., Landolt, G., Slomski, B., Hugo Dil, J., Osterwalder, J., Chang, T. R., Jeng, H. T., Lin, H., Bansil, A., Samarth, N. & 1 others, Zahid Hasan, M., Aug 2012, In : Nature Physics. 8, 8, p. 616-622 7 p.

Research output: Contribution to journalArticle

textures
tuning
insulators
broken symmetry
electrodynamics
8 Citations (Scopus)

Infrared conductivity of hole accumulation and depletion layers in (Ga,Mn)As- and (Ga,Be)As-based electric field-effect devices

Chapler, B. C., MacK, S., Ju, L., Elson, T. W., Boudouris, B. W., Namdas, E., Yuen, J. D., Heeger, A. J., Samarth, N., Di Ventra, M., Segalman, R. A., Awschalom, D. D., Wang, F. & Basov, D. N., Oct 1 2012, In : Physical Review B - Condensed Matter and Materials Physics. 86, 16, 165302.

Research output: Contribution to journalArticle

Electric field effects
Valence bands
depletion
Infrared radiation
conductivity
91 Citations (Scopus)

Interplay between ferromagnetism, surface states, and quantum corrections in a magnetically doped topological insulator

Zhang, D., Richardella, A., Rench, D. W., Xu, S. Y., Kandala, A., Flanagan, T. C., Beidenkopf, H., Yeats, A. L., Buckley, B. B., Klimov, P. V., Awschalom, D. D., Yazdani, A., Schiffer, P., Hasan, M. Z. & Samarth, N., Nov 26 2012, In : Physical Review B - Condensed Matter and Materials Physics. 86, 20, 205127.

Research output: Contribution to journalArticle

Ferromagnetism
Surface states
ferromagnetism
insulators
Enhanced magnetoresistance
41 Citations (Scopus)

Interplay between topological insulators and superconductors

Wang, J., Chang, C. Z., Li, H., He, K., Zhang, D., Singh, M., Ma, X. C., Samarth, N., Xie, M., Xue, Q. K. & Chan, M. H. W., Jan 10 2012, In : Physical Review B - Condensed Matter and Materials Physics. 85, 4, 045415.

Research output: Contribution to journalArticle

Superconducting materials
insulators
Surface states
Electrodes
electrodes
3 Citations (Scopus)

Local magnetic characterization of (Ga,Mn)As continuous thin film using scanning probe force microscopy

Lee, I., Obukhov, Y., Kim, J., Li, X., Samarth, N., Pelekhov, D. V. & Hammel, P. C., May 2 2012, In : Physical Review B - Condensed Matter and Materials Physics. 85, 18, 184402.

Research output: Contribution to journalArticle

Magnetic properties
Microscopic examination
Magnetic force microscopy
magnetic properties
microscopy
12 Citations (Scopus)

Measurement and simulation of anisotropic magnetoresistance in single GaAs/MnAs core/shell nanowires

Liang, J., Wang, J., Paul, A., Cooley, B. J., Rench, D. W., Dellas, N. S., Mohney, S. E., Engel-Herbert, R. & Samarth, N., Apr 30 2012, In : Applied Physics Letters. 100, 18, 182402.

Research output: Contribution to journalArticle

nanowires
magnetization
molecular beam epitaxy
simulation
zinc
37 Citations (Scopus)

Perpendicular magnetization and generic realization of the ising model in artificial spin ice

Zhang, S., Li, J., Gilbert, I., Bartell, J., Erickson, M. J., Pan, Y., Lammert, P. E., Nisoli, C., Kohli, K. K., Misra, R., Crespi, V. H., Samarth, N., Leighton, C. & Schiffer, P., Aug 21 2012, In : Physical Review Letters. 109, 8, 087201.

Research output: Contribution to journalArticle

Ising model
ice
magnetization
moments
magnetostatics
2011
176 Citations (Scopus)

Evidence for electron-electron interaction in topological insulator thin films

Wang, J., Dasilva, A. M., Chang, C. Z., He, K., Jain, J. K., Samarth, N., Ma, X. C., Xue, Q. K. & Chan, M. H. W., Jun 28 2011, In : Physical Review B - Condensed Matter and Materials Physics. 83, 24, 245438.

Research output: Contribution to journalArticle

Electron-electron interactions
Surface states
electron scattering
insulators
Thin films
24 Citations (Scopus)

Infrared probe of the insulator-to-metal transition in Ga 1-xMnxAs and Ga1-xBexAs

Chapler, B. C., Myers, R. C., MacK, S., Frenzel, A., Pursley, B. C., Burch, K. S., Singley, E. J., Dattelbaum, A. M., Samarth, N., Awschalom, D. D. & Basov, D. N., Aug 26 2011, In : Physical Review B - Condensed Matter and Materials Physics. 84, 8, 081203.

Research output: Contribution to journalArticle

Transition metals
transition metals
insulators
Infrared radiation
probes
32 Citations (Scopus)

Magneto-optical Kerr effect studies of square artificial spin ice

Kohli, K. K., Balk, A. L., Li, J., Zhang, S., Gilbert, I., Lammert, P. E., Crespi, V. H., Schiffer, P. & Samarth, N., Nov 28 2011, In : Physical Review B - Condensed Matter and Materials Physics. 84, 18, 180412.

Research output: Contribution to journalArticle

Optical Kerr effect
Ice
Kerr effects
ice
Surface roughness
9 Citations (Scopus)

Measurements of nanoscale domain wall flexing in a ferromagnetic thin film

Balk, A. L., Nowakowski, M. E., Wilson, M. J., Rench, D. W., Schiffer, P., Awschalom, D. D. & Samarth, N., Aug 10 2011, In : Physical Review Letters. 107, 7, 077205.

Research output: Contribution to journalArticle

flexing
domain wall
estimates
magnetic domains
thin films
16 Citations (Scopus)

Structural and magnetic characteristics of MnAs nanoclusters embedded in Be-doped GaAs

Rench, D. W., Schiffer, P. & Samarth, N., Sep 21 2011, In : Physical Review B - Condensed Matter and Materials Physics. 84, 9, 094434.

Research output: Contribution to journalArticle

Nanoclusters
nanoclusters
Annealing
Transmission electron microscopy
annealing
113 Citations (Scopus)

Superconducting proximity effect and possible evidence for Pearl vortices in a candidate topological insulator

Zhang, D., Wang, J., Dasilva, A. M., Lee, J. S., Gutierrez, H. R., Chan, M. H. W., Jain, J. & Samarth, N., Oct 24 2011, In : Physical Review B - Condensed Matter and Materials Physics. 84, 16, 165120.

Research output: Contribution to journalArticle

Nanoribbons
Carbon Nanotubes
Vortex flow
insulators
vortices

Ultrafast ferromagnetic-paramagnetic phase transition in MnAs observed by second-harmonic generation

Lange, C., Dean, J. J., Burch, K. S., Rench, D., Samarth, N. & Van Driel, H. M., Dec 1 2011, Quantum Electronics and Laser Science Conference, QELS 2011. (Optics InfoBase Conference Papers).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Harmonic generation
Laser pulses
harmonic generations
Phase transitions
Temperature

Ultrafast ferromagnetic-paramagnetic phase transition in MnAs observed by second-harmonic generation

Lange, C., Dean, J. J., Burch, K. S., Rench, D., Samarth, N. & Van Driel, H. M., Sep 1 2011, 2011 Conference on Lasers and Electro-Optics: Laser Science to Photonic Applications, CLEO 2011. 5951344. (2011 Conference on Lasers and Electro-Optics: Laser Science to Photonic Applications, CLEO 2011).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Harmonic generation
Laser pulses
harmonic generations
Phase transitions
Temperature