Anthony Raymond Richardella

    • 3869 Citations
    • 22 h-Index
    20032019
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    Research Output 2003 2019

    • 3869 Citations
    • 22 h-Index
    • 39 Article
    • 1 Chapter
    2003
    494 Citations (Scopus)

    Kernel Methods for Relation Extraction

    Zelenko, D., Aone, C. & Richardella, A. R., Aug 15 2003, In : Journal of Machine Learning Research. 3, 6, p. 1083-1106 24 p.

    Research output: Contribution to journalArticle

    Kernel Methods
    Learning algorithms
    kernel
    Learning Algorithm
    Support vector machines
    2005
    19 Citations (Scopus)

    Spatial structure of a single Mn impurity state on GaAs (110) surface

    Kitchen, D., Richardella, A. & Yazdani, A. M., Dec 1 2005, In : Journal of Superconductivity and Novel Magnetism. 18, 1, p. 23-28 6 p.

    Research output: Contribution to journalArticle

    Impurities
    impurities
    Atoms
    Microscopes
    microscopes
    2006
    224 Citations (Scopus)

    Atom-by-atom substitution of Mn in GaAs and visualization of their hole-mediated interactions

    Kitchen, D., Richardella, A., Tang, J. M., Flatté, M. E. & Yazdani, A., Jul 27 2006, In : Nature. 442, 7101, p. 436-439 4 p.

    Research output: Contribution to journalArticle

    Semiconductors
    Transition Temperature
    Electrons
    Technology
    Equipment and Supplies
    2007
    6 Citations (Scopus)

    Hole-mediated interactions of Mn acceptors on GaAs (110) (invited)

    Kitchen, D., Richardella, A., Roushan, P., Tang, J. M., Flatt́, M. E. & Yazdani, A., May 21 2007, In : Journal of Applied Physics. 101, 9, 09G515.

    Research output: Contribution to journalArticle

    interactions
    substitutes
    configurations
    scanning tunneling microscopy
    spacing
    2009
    25 Citations (Scopus)

    Mapping the wave function of transition metal acceptor states in the GaAs surface

    Richardella, A., Kitchen, D. & Yazdani, A., Aug 6 2009, In : Physical Review B - Condensed Matter and Materials Physics. 80, 4, 045318.

    Research output: Contribution to journalArticle

    Wave functions
    Transition metals
    transition metals
    wave functions
    Magnetic semiconductors
    434 Citations (Scopus)

    P -type Bi2 Se3 for topological insulator and low-temperature thermoelectric applications

    Hor, Y. S., Richardella, A. R., Roushan, P., Xia, Y., Checkelsky, J. G., Yazdani, A., Hasan, M. Z., Ong, N. P. & Cava, R. J., May 1 2009, In : Physical Review B - Condensed Matter and Materials Physics. 79, 19, 195208.

    Research output: Contribution to journalArticle

    Seebeck effect
    Seebeck coefficient
    insulators
    single crystals
    defects
    700 Citations (Scopus)

    Topological surface states protected from backscattering by chiral spin texture

    Roushan, P., Seo, J., Parker, C. V., Hor, Y. S., Hsieh, D., Qian, D., Richardella, A. R., Hasan, M. Z., Cava, R. J. & Yazdani, A., Aug 27 2009, In : Nature. 460, 7259, p. 1106-1109 4 p.

    Research output: Contribution to journalArticle

    Photoelectron Spectroscopy
    Semiconductors
    Bismuth
    Orbit
    Automatic Data Processing
    2010
    95 Citations (Scopus)

    Coherent heteroepitaxy of Bi2 Se3 on GaAs (111)B

    Richardella, A., Zhang, D. M., Lee, J. S., Koser, A., Rench, D. W., Yeats, A. L., Buckley, B. B., Awschalom, D. D. & Samarth, N., Dec 27 2010, In : Applied Physics Letters. 97, 26, 262104.

    Research output: Contribution to journalArticle

    spin dynamics
    thin films
    molecular beam epitaxy
    buffers
    insulators
    168 Citations (Scopus)

    Visualizing critical correlations near the metal-insulator transition in Ga1-xMnxAs

    Richardella, A., Roushan, P., Mack, S., Zhou, B., Huse, D. A., Awschalom, D. D. & Yazdani, A., Feb 5 2010, In : Science. 327, 5966, p. 665-669 5 p.

    Research output: Contribution to journalArticle

    Scanning Tunnelling Microscopy
    Metals
    Electrons
    Normal Distribution
    Phase Transition
    2012
    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
    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
    2013
    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
    2014
    13 Citations (Scopus)

    Fermi-level electronic structure of a topological-insulator/cuprate- superconductor based heterostructure in the superconducting proximity effect regime

    Xu, S. Y., Liu, C., Richardella, A. R., Belopolski, I., Alidoust, N., Neupane, M., Bian, G., Samarth, N. & Hasan, M. Z., Aug 20 2014, In : Physical Review B - Condensed Matter and Materials Physics. 90, 8, 085128.

    Research output: Contribution to journalArticle

    Fermi level
    cuprates
    Electronic structure
    Heterojunctions
    proximity
    23 Citations (Scopus)

    Ferromagnetism and spin-dependent transport in n -type Mn-doped bismuth telluride thin films

    Lee, J. S., Richardella, A., Rench, D. W., Fraleigh, R. D., Flanagan, T. C., Borchers, J. A., Tao, J. & Samarth, N., May 23 2014, In : Physical Review B - Condensed Matter and Materials Physics. 89, 17, 174425.

    Research output: Contribution to journalArticle

    bismuth tellurides
    Ferromagnetism
    Bismuth
    ferromagnetism
    Thin films
    16 Citations (Scopus)

    Infrared electrodynamics and ferromagnetism in the topological semiconductors Bi2 Te3 and Mn-doped Bi2 Te3

    Chapler, B. C., Post, K. W., Richardella, A. R., Lee, J. S., Tao, J., Samarth, N. & Basov, D. N., Jun 11 2014, In : Physical Review B - Condensed Matter and Materials Physics. 89, 23, 235308.

    Research output: Contribution to journalArticle

    Ferromagnetism
    Electrodynamics
    Surface states
    electrodynamics
    ferromagnetism
    86 Citations (Scopus)

    Momentum-space imaging of Cooper pairing in a half-Dirac-gas topological superconductor

    Xu, S. Y., Alidoust, N., Belopolski, I., Richardella, A., Liu, C., Neupane, M., Bian, G., Huang, S. H., Sankar, R., Fang, C., Dellabetta, B., Dai, W., Li, Q., Gilbert, M. J., Chou, F., Samarth, N. & Hasan, M. Z., Dec 11 2014, In : Nature Physics. 10, 12, p. 943-950 8 p.

    Research output: Contribution to journalArticle

    momentum
    supersymmetry
    superconductivity
    platforms
    gases
    72 Citations (Scopus)

    Observation of quantum-tunnelling-modulated spin texture in ultrathin topological insulator Bi2Se3 films

    Neupane, M., Richardella, A., Sánchez-Barriga, J., Xu, S. Y., Alidoust, N., Belopolski, I., Liu, C., Bian, G., Zhang, D., Marchenko, D., Varykhalov, A., Rader, O., Leandersson, M., Balasubramanian, T., Chang, T. R., Jeng, H. T., Basak, S., Lin, H., Bansil, A., Samarth, N. & 1 others, Hasan, M. Z., May 12 2014, In : Nature communications. 5, 3841.

    Research output: Contribution to journalArticle

    Photoelectron Spectroscopy
    Spin polarization
    Theoretical Models
    textures
    Textures
    512 Citations (Scopus)

    Spin-transfer torque generated by a topological insulator

    Mellnik, A. R., Lee, J. S., Richardella, A., Grab, J. L., Mintun, P. J., Fischer, M. H., Vaezi, A., Manchon, A., Kim, E. A., Samarth, N. & Ralph, D. C., Jan 1 2014, In : Nature. 511, 7510, p. 449-451 3 p.

    Research output: Contribution to journalArticle

    torque
    insulators
    logic
    heavy metals
    orbits
    2015
    23 Citations (Scopus)

    Characterizing the structure of topological insulator thin films

    Richardella, A., Kandala, A., Lee, J. S. & Samarth, N., Aug 1 2015, In : APL Materials. 3, 8, 83303.

    Research output: Contribution to journalArticle

    Thin films
    Substrates
    Lattice mismatch
    Molecular beam epitaxy
    Oxides
    63 Citations (Scopus)

    Giant anisotropic magnetoresistance in a quantum anomalous Hall insulator

    Kandala, A., Richardella, A., Kempinger, S., Liu, C. X. & Samarth, N., Jul 7 2015, In : Nature communications. 6, 7434.

    Research output: Contribution to journalArticle

    Enhanced magnetoresistance
    Quantum Hall effect
    Giant magnetoresistance
    crossovers
    insulators
    43 Citations (Scopus)

    Mapping the chemical potential dependence of current-induced spin polarization in a topological insulator

    Lee, J. S., Richardella, A., Hickey, D. R., Mkhoyan, K. A. & Samarth, N., Oct 20 2015, In : Physical Review B - Condensed Matter and Materials Physics. 92, 15, 155312.

    Research output: Contribution to journalArticle

    Spin polarization
    Chemical potential
    Induced currents
    insulators
    Electric potential
    17 Citations (Scopus)

    Persistent optical gating of a topological insulator

    Yeats, A. L., Pan, Y., Richardella, A., Mintun, P. J., Samarth, N. & Awschalom, D. D., Oct 2015, In : Science Advances. 1, 9, 1500640.

    Research output: Contribution to journalArticle

    insulators
    optical control
    quantum computation
    thin films
    photocurrents
    61 Citations (Scopus)

    Spin-polarized tunneling study of spin-momentum locking in topological insulators

    Liu, L., Richardella, A., Garate, I., Zhu, Y., Samarth, N. & Chen, C. T., Jun 22 2015, In : Physical Review B - Condensed Matter and Materials Physics. 91, 23, 235437.

    Research output: Contribution to journalArticle

    Bismuth
    locking
    Momentum
    Spin polarization
    insulators
    14 Citations (Scopus)

    Sum-Rule Constraints on the Surface State Conductance of Topological Insulators

    Post, K. W., Chapler, B. C., Liu, M. K., Wu, J. S., Stinson, H. T., Goldflam, M. D., Richardella, A. R., Lee, J. S., Reijnders, A. A., Burch, K. S., Fogler, M. M., Samarth, N. & Basov, D. N., Sep 11 2015, In : Physical Review Letters. 115, 11, 116804.

    Research output: Contribution to journalArticle

    sum rules
    insulators
    oscillator strengths
    alloying
    charge carriers
    3 Citations (Scopus)

    Topological Insulator Thin Films and Heterostructures: Epitaxial Growth, Transport, and Magnetism

    Richardella, A., Kandala, A. & Samarth, N., Feb 6 2015, Topological Insulators: Fundamentals and Perspectives. wiley, p. 295-329 35 p.

    Research output: Chapter in Book/Report/Conference proceedingChapter

    Magnetism
    Epitaxial growth
    Molecular beam epitaxy
    Heterojunctions
    Thin films
    55 Citations (Scopus)

    Visualization of superparamagnetic dynamics in magnetic topological insulators

    Lachman, E. O., Young, A. F., Richardella, A., Cuppens, J., Naren, H. R., Anahory, Y., Meltzer, A. Y., Kandala, A., Kempinger, S., Myasoedov, Y., Huber, M. E., Samarth, N. & Zeldov, E., Nov 2015, In : Science Advances. 1, 10, 1500740.

    Research output: Contribution to journalArticle

    Phase Transition
    Magnetometry
    Magnetic Fields
    Equipment and Supplies
    2016
    23 Citations (Scopus)

    Large discrete jumps observed in the transition between Chern states in a ferromagnetic topological insulator

    Liu, M., Wang, W., Richardella, A. R., Kandala, A., Li, J., Yazdani, A., Samarth, N. & Phuan Ong, N., Jan 1 2016, In : Science Advances. 2, 7, e1600167.

    Research output: Contribution to journalArticle

    Temperature
    Magnetic Fields
    Anisotropy
    7 Citations (Scopus)

    Resistance noise in epitaxial thin films of ferromagnetic topological insulators

    Bhattacharyya, S., Kandala, A., Richardella, A., Islam, S., Samarth, N. & Ghosh, A., Feb 22 2016, In : Applied Physics Letters. 108, 8, 082101.

    Research output: Contribution to journalArticle

    insulators
    thin films
    electric potential
    temperature scales
    valence
    70 Citations (Scopus)

    Surface-State-Dominated Spin-Charge Current Conversion in Topological-Insulator-Ferromagnetic-Insulator Heterostructures

    Wang, H., Kally, J., Lee, J. S., Liu, T., Chang, H., Hickey, D. R., Mkhoyan, K. A., Wu, M., Richardella, A. & Samarth, N., Aug 11 2016, In : Physical Review Letters. 117, 7, 076601.

    Research output: Contribution to journalArticle

    insulators
    ferromagnetic resonance
    film thickness
    thin films
    pumping
    2017
    6 Citations (Scopus)

    Bulk-impurity induced noise in large-area epitaxial thin films of topological insulators

    Islam, S., Bhattacharyya, S., Kandala, A., Richardella, A., Samarth, N. & Ghosh, A., Aug 7 2017, In : Applied Physics Letters. 111, 6, 062107.

    Research output: Contribution to journalArticle

    insulators
    impurities
    thin films
    defects
    electric potential
    12 Citations (Scopus)

    Faraday Rotation Due to Surface States in the Topological Insulator (Bi1-xSbx)2Te3

    Shao, Y., Post, K. W., Wu, J. S., Dai, S., Frenzel, A. J., Richardella, A. R., Lee, J. S., Samarth, N., Fogler, M. M., Balatsky, A. V., Kharzeev, D. E. & Basov, D. N., Feb 8 2017, In : Nano letters. 17, 2, p. 980-984 5 p.

    Research output: Contribution to journalArticle

    Faraday effect
    Surface states
    Cyclotron resonance
    insulators
    cyclotron resonance
    17 Citations (Scopus)

    Helicity dependent photocurrent in electrically gated (Bi1-x Sb x )2Te3 thin films

    Pan, Y., Wang, Q. Z., Yeats, A. L., Pillsbury, T., Flanagan, T. C., Richardella, A., Zhang, H., Awschalom, D. D., Liu, C. X. & Samarth, N., Dec 1 2017, In : Nature communications. 8, 1, 1037.

    Research output: Contribution to journalArticle

    Photocurrents
    Photons
    photocurrents
    Thin films
    thin films
    10 Citations (Scopus)

    Local optical control of ferromagnetism and chemical potential in a topological insulator

    Yeats, A. L., Mintun, P. J., Pan, Y., Richardella, A., Buckley, B. B., Samarth, N. & Awschalom, D. D., Sep 26 2017, In : Proceedings of the National Academy of Sciences of the United States of America. 114, 39, p. 10379-10383 5 p.

    Research output: Contribution to journalArticle

    Microscopy
    strontium titanium oxide
    6 Citations (Scopus)

    Proximity-effect-induced Superconducting Gap in Topological Surface States - A Point Contact Spectroscopy Study of NbSe2/Bi2Se3 Superconductor-Topological Insulator Heterostructures

    Dai, W., Richardella, A., Du, R., Zhao, W., Liu, X., Liu, C. X., Huang, S. H., Sankar, R., Chou, F., Samarth, N. & Li, Q., Dec 1 2017, In : Scientific reports. 7, 1, 7631.

    Research output: Contribution to journalArticle

    Spectrum Analysis
    Photoelectron Spectroscopy
    Temperature
    Superconductivity
    92 Citations (Scopus)

    Roomerature Spin-Orbit Torque Switching Induced by a Topological Insulator

    Han, J., Richardella, A., Siddiqui, S. A., Finley, J., Samarth, N. & Liu, L., Aug 18 2017, In : Physical Review Letters. 119, 7, 077702.

    Research output: Contribution to journalArticle

    torque
    insulators
    orbits
    magnetic switching
    ferrimagnets
    2018
    4 Citations (Scopus)
    Heterojunctions
    insulators
    engineering
    condensed matter physics
    symmetry
    2019

    Low-temperature saturation of phase coherence length in topological insulators

    Islam, S., Bhattacharyya, S., Nhalil, H., Banerjee, M., Richardella, A., Kandala, A., Sen, D., Samarth, N., Elizabeth, S. & Ghosh, A., Jun 13 2019, In : Physical Review B. 99, 24, 245407.

    Research output: Contribution to journalArticle

    phase coherence
    Magnetoresistance
    insulators
    saturation
    Molecular beam epitaxy

    Structure and basal twinning of topological insulator Bi2Se3 grown by MBE onto crystalline Y3 F e5 O12

    Reifsnyder Hickey, D., Azadani, J. G., Richardella, A. R., Kally, J. C., Lee, J. S., Chang, H., Liu, T., Wu, M., Samarth, N., Low, T. & Andre Mkhoyan, K., Jun 25 2019, In : Physical Review Materials. 3, 6, 061201.

    Research output: Contribution to journalArticle

    Twinning
    twinning
    Molecular beam epitaxy
    insulators
    Crystalline materials