Gregory MacDougall

2024

Observation of large magnetoresistance switching in topological-insulator/ferromagnetic-metal heterostructure with perpendicular magnetic anisotropy

Oh, J., Humbert, V., Macdougall, G. J., Gilbert, M. J. & Mason, N., May 2024, In: Physical Review Materials. 8, 5, 054202.

Research output: Contribution to journal › Article › peer-review

2023

SEEMS: A Single Event Effects and Muon Spectroscopy facility at the Spallation Neutron Source

Williams, T. J., Macdougall, G. J., Riemer, B. W., Gallmeier, F. X., Dela Cruz, C. R. & Louca, D., Mar 1 2023, In: Review of Scientific Instruments. 94, 3, 033908.

Research output: Contribution to journal › Article › peer-review

Open Access

Soft-phonon anomalies and crystal electric field-phonon coupling in cubic lanthanide sesquioxides Eu2 O3 and Yb2 O3

Slimak, J. E., Cote, A., Macdougall, G. J. & Cooper, S. L., Jul 15 2023, In: Physical Review B. 108, 4, 045128.

Research output: Contribution to journal › Article › peer-review

Open Access

2022

Generic character of charge and spin density waves in superconducting cuprates

Lee, S., Huang, E. W., Johnson, T. A., Guo, X., Husain, A. A., Mitrano, M., Lu, K., Zakrzewski, A. V., De la Pena, G. A., Peng, Y., Huang, H., Lee, S. J., Jang, H., Lee, J. S., Il Joe, Y., Doriese, W. B., Szypryt, P., Swetz, D. S., Chi, S. & Aczel, A. A. & 4 others, MacDougall, G. J., Kivelson, S. A., Fradkin, E. & Abbamonte, P., Apr 12 2022, In: Proceedings of the National Academy of Sciences of the United States of America. 119, 15, e2119429119.

Research output: Contribution to journal › Article › peer-review

Open Access

Report from: US Muon Workshop 2021: A Road Map for a Future Muon Facility February 1-2, 2021

Louca, D., MacDougall, G. J. & Williams, T. J., 2022, In: Neutron News. 33, 3, p. 8-21 14 p.

Research output: Contribution to journal › Article › peer-review

Open Access

Spin-orbit coupling controlled ground states in the double perovskite iridates A2B IrO6 (A= Ba, Sr; B= Lu, Sc)

Aczel, A. A., Chen, Q., Clancy, J. P., Dela Cruz, C., Reig-I-Plessis, D., Macdougall, G. J., Pollock, C. J., Upton, M. H., Williams, T. J., Lamanna, N., Carlo, J. P., Beare, J., Luke, G. M. & Zhou, H. D., Sep 2022, In: Physical Review Materials. 6, 9, 094409.

Research output: Contribution to journal › Article › peer-review

Open Access

2021

Asymmetric Fraunhofer Spectra in a Topological Insulator-based Josephson Junction

Beach, A., Reig-I-Plessis, D., Macdougall, G. & Mason, N., Oct 2021, In: Journal of Physics Condensed Matter. 33, 42, 425601.

Research output: Contribution to journal › Article › peer-review

Domain Wall Patterning and Giant Response Functions in Ferrimagnetic Spinels

Kish, L. L., Thaler, A., Lee, M., Zakrzewski, A. V., Reig-i-Plessis, D., Wolin, B. A., Wang, X., Littrell, K. C., Budakian, R., Zhou, H., Gai, Z., Frontzek, M. D., Zapf, V. S., Aczel, A. A., DeBeer-Schmitt, L. & MacDougall, G. J., Dec 8 2021, In: Advanced Science. 8, 23, 2101402.

Research output: Contribution to journal › Article › peer-review

Open Access

Proximity-induced anisotropic magnetoresistance in magnetized topological insulators

Sklenar, J., Zhang, Y., Jungfleisch, M. B., Kim, Y., Xiao, Y., MacDougall, G. J., Gilbert, M. J., Hoffmann, A., Schiffer, P. E. & Mason, N., Jun 7 2021, In: Applied Physics Letters. 118, 23, 232402.

Research output: Contribution to journal › Article › peer-review

Open Access

2020

Canted antiferromagnetic order in the monoaxial chiral magnets V1/3TaS2 and V1/3NbS2

Lu, K., Sapkota, D., Debeer-Schmitt, L., Wu, Y., Cao, H. B., Mannella, N., Mandrus, D., Aczel, A. A. & MacDougall, G. J., May 2020, In: Physical Review Materials. 4, 5, 054416.

Research output: Contribution to journal › Article › peer-review

Open Access

Enhanced Electron-Phonon Coupling for Charge-Density-Wave Formation in La1.8-xEu0.2SrxCuO4+δ

Peng, Y. Y., Husain, A. A., Mitrano, M., Sun, S. X. L., Johnson, T. A., Zakrzewski, A. V., Macdougall, G. J., Barbour, A., Jarrige, I., Bisogni, V. & Abbamonte, P., Aug 28 2020, In: Physical review letters. 125, 9, 097002.

Research output: Contribution to journal › Article › peer-review

Open Access

Structural, electronic, and magnetic properties of nearly ideal Jeff= 12 iridium halides

Reig-I-Plessis, D., Johnson, T. A., Lu, K., Chen, Q., Ruff, J. P. C., Upton, M. H., Williams, T. J., Calder, S., Zhou, H. D., Clancy, J. P., Aczel, A. A. & MacDougall, G. J., Dec 17 2020, In: Physical Review Materials. 4, 12, 124407.

Research output: Contribution to journal › Article › peer-review

Open Access

2019

Deviation from the dipole-ice model in the spinel spin-ice candidate MgEr2Se4

Reig-I-Plessis, D., Geldern, S. V., Aczel, A. A., Kochkov, D., Clark, B. K. & Macdougall, G. J., Apr 26 2019, In: Physical Review B. 99, 13, 134438.

Research output: Contribution to journal › Article › peer-review

Open Access

Neutron scattering measurement of crystalline-electric fields in magnesium rare-earth selenide spinels

Reig-I-Plessis, D., Cote, A., Van Geldern, S., Mayrhofer, R. D., Aczel, A. A. & Macdougall, G. J., Nov 12 2019, In: Physical Review Materials. 3, 11, 114408.

Research output: Contribution to journal › Article › peer-review

Open Access

Prediction for the singlet-triplet excitation energy for the spinel MgTi2 O4 using first-principles diffusion Monte Carlo

Busemeyer, B., Macdougall, G. J. & Wagner, L. K., Feb 28 2019, In: Physical Review B. 99, 8, 081118.

Research output: Contribution to journal › Article › peer-review

Open Access

Revisiting the Kitaev material candidacy of Ir4+ double perovskite iridates

Aczel, A. A., Clancy, J. P., Chen, Q., Zhou, H. D., Reig-I-Plessis, D., Macdougall, G. J., Ruff, J. P. C., Upton, M. H., Islam, Z., Williams, T. J., Calder, S. & Yan, J. Q., Apr 11 2019, In: Physical Review B. 99, 13, 134417.

Research output: Contribution to journal › Article › peer-review

Open Access

2018

Evolution of magnetic and orbital properties in the magnetically diluted A -site spinel Cu1-xZnxRh2 O4

Zakrzewski, A. V., Gangopadhyay, S., Macdougall, G. J., Aczel, A. A., Calder, S. & Williams, T. J., Jun 11 2018, In: Physical Review B. 97, 21, 214411.

Research output: Contribution to journal › Article › peer-review

Open Access

Finite momentum Cooper pairing in three-dimensional topological insulator Josephson junctions

Chen, A. Q., Park, M. J., Gill, S. T., Xiao, Y., Reig-i-Plessis, D., MacDougall, G. J., Gilbert, M. J. & Mason, N., Dec 1 2018, In: Nature communications. 9, 1, 3478.

Research output: Contribution to journal › Article › peer-review

Open Access

Real-space magnetic imaging of the multiferroic spinels MnV2 O4 and Mn3 O4

Wolin, B., Wang, X., Naibert, T., Gleason, S. L., Macdougall, G. J., Zhou, H. D., Cooper, S. L. & Budakian, R., Jun 22 2018, In: Physical Review Materials. 2, 6, 064407.

Research output: Contribution to journal › Article › peer-review

Open Access

Spin canting and orbital order in spinel vanadate thin films

Thompson, C. J., Reig-I-Plessis, D., Kish, L., Aczel, A. A., Zhang, B., Karapetrova, E., Macdougall, G. J. & Beekman, C., Oct 25 2018, In: Physical Review Materials. 2, 10, 104411.

Research output: Contribution to journal › Article › peer-review

Open Access

2017

Signatures of exciton condensation in a transition metal dichalcogenide

Kogar, A., Rak, M. S., Vig, S., Husain, A. A., Flicker, F., Joe, Y. I., Venema, L., MacDougall, G. J., Chiang, T. C., Fradkin, E., Van Wezel, J. & Abbamonte, P., Dec 8 2017, In: Science. 358, 6368, p. 1314-1317 4 p.

Research output: Contribution to journal › Article › peer-review

Open Access

2016

A mechanical rotator for neutron scattering measurements

Thaler, A., Northen, E., Aczel, A. A. & MacDougall, G. J., Dec 1 2016, In: Review of Scientific Instruments. 87, 12, 125109.

Research output: Contribution to journal › Article › peer-review

Open Access

Effects of magnetic field and twin domains on magnetostructural phase mixture in Mn3 O4: Raman scattering studies of untwinned crystals

Byrum, T., Gleason, S. L., Thaler, A., Macdougall, G. J. & Cooper, S. L., May 16 2016, In: Physical Review B. 93, 18, 184418.

Research output: Contribution to journal › Article › peer-review

Open Access

Revisiting the ground state of CoAl2 O4: Comparison to the conventional antiferromagnet MnAl2 O4

Macdougall, G. J., Aczel, A. A., Su, Y., Schweika, W., Faulhaber, E., Schneidewind, A., Christianson, A. D., Zarestky, J. L., Zhou, H. D., Mandrus, D. & Nagler, S. E., 2016, In: Physical Review B. 94, 18, 184422.

Research output: Contribution to journal › Article › peer-review

Open Access

Structural transition and orbital glass physics in near-itinerant CoV2 O4

Reig-I-Plessis, D., Casavant, D., Garlea, V. O., Aczel, A. A., Feygenson, M., Neuefeind, J., Zhou, H. D., Nagler, S. E. & Macdougall, G. J., Jan 25 2016, In: Physical Review B. 93, 1, 014437.

Research output: Contribution to journal › Article › peer-review

Open Access

2015

Influence of Ti doping on the incommensurate charge density wave in 1T-TaS2

Chen, X. M., Miller, A. J., Nugroho, C., De La Peña, G. A., Joe, Y. I., Kogar, A., Brock, J. D., Geck, J., Macdougall, G. J., Cooper, S. L., Fradkin, E., Van Harlingen, D. J. & Abbamonte, P., Jun 8 2015, In: Physical Review B - Condensed Matter and Materials Physics. 91, 24, 245113.

Research output: Contribution to journal › Article › peer-review

Structural contributions to the pressure-tuned charge-density-wave to superconductor transition in ZrTe3: Raman scattering studies

Gleason, S. L., Gim, Y., Byrum, T., Kogar, A., Abbamonte, P., Fradkin, E., Macdougall, G. J., Van Harlingen, D. J., Zhu, X., Petrovic, C. & Cooper, S. L., Apr 16 2015, In: Physical Review B - Condensed Matter and Materials Physics. 91, 15, 155124.

Research output: Contribution to journal › Article › peer-review

Open Access

Surface Collective Modes in the Topological Insulators Bi2Se3 and Bi0.5Sb1.5Te3-xSex

Kogar, A., Vig, S., Thaler, A., Wong, M. H., Xiao, Y., Reig-I-Plessis, D., Cho, G. Y., Valla, T., Pan, Z., Schneeloch, J., Zhong, R., Gu, G. D., Hughes, T. L., Macdougall, G. J., Chiang, T. C. & Abbamonte, P., Dec 15 2015, In: Physical review letters. 115, 25, 257402.

Research output: Contribution to journal › Article › peer-review

Open Access

2014

A complete strain-temperature phase diagram for BiFeO₃ films on SrTiO₃ and LaAlO₃ (0 0 1) substrates

Siemons, W., Beekman, C., MacDougall, G. J., Zarestky, J. L., Nagler, S. E. & Christen, H. M., Jan 22 2014, In: Journal of Physics D: Applied Physics. 47, 3, 034011.

Research output: Contribution to journal › Article › peer-review

Emergence of charge density wave domain walls above the superconducting dome in 1T-TiSe 2

Joe, Y. I., Chen, X. M., Ghaemi, P., Finkelstein, K. D., De La Peña, G. A., Gan, Y., Lee, J. C. T., Yuan, S., Geck, J., MacDougall, G. J., Chiang, T. C., Cooper, S. L., Fradkin, E. & Abbamonte, P., Jun 2014, In: Nature Physics. 10, 6, p. 421-425 5 p.

Research output: Contribution to journal › Article › peer-review

Magnons and a two-component spin gap in FeV2 O4

Macdougall, G. J., Brodsky, I., Aczel, A. A., Garlea, V. O., Granroth, G. E., Christianson, A. D., Hong, T., Zhou, H. D. & Nagler, S. E., Jun 9 2014, In: Physical Review B - Condensed Matter and Materials Physics. 89, 22, 224404.

Research output: Contribution to journal › Article › peer-review

Open Access

Magnon spectra and strong spin-lattice coupling in magnetically frustrated MnB2 O4 (B=Mn,V): Inelastic light-scattering studies

Gleason, S. L., Byrum, T., Gim, Y., Thaler, A., Abbamonte, P., Macdougall, G. J., Martin, L. W., Zhou, H. D. & Cooper, S. L., Apr 3 2014, In: Physical Review B - Condensed Matter and Materials Physics. 89, 13, 134402.

Research output: Contribution to journal › Article › peer-review

Open Access

2012

Antiferromagnetic transitions in tetragonal-like BiFeO ₃

MacDougall, G. J., Christen, H. M., Siemons, W., Biegalski, M. D., Zarestky, J. L., Liang, S., Dagotto, E. & Nagler, S. E., Mar 20 2012, In: Physical Review B - Condensed Matter and Materials Physics. 85, 10, 100406.

Research output: Contribution to journal › Article › peer-review

Open Access

Magnetic order and ice rules in the multiferroic spinel FeV ₂O ₄

MacDougall, G. J., Garlea, V. O., Aczel, A. A., Zhou, H. D. & Nagler, S. E., Aug 30 2012, In: Physical Review B - Condensed Matter and Materials Physics. 86, 6, 060414.

Research output: Contribution to journal › Article › peer-review

Open Access

New magnetic phase diagram of (Sr,Ca)₂ RuO₄

Carlo, J. P., Goko, T., Gat-Malureanu, I. M., Russo, P. L., Savici, A. T., Aczel, A. A., MacDougall, G. J., Rodriguez, J. A., Williams, T. J., Luke, G. M., Wiebe, C. R., Yoshida, Y., Nakatsuji, S., Maeno, Y., Taniguchi, T. & Uemura, Y. J., Apr 2012, In: Nature Materials. 11, 4, p. 323-328 6 p.

Research output: Contribution to journal › Article › peer-review

Quantum oscillations of nitrogen atoms in uranium nitride

Aczel, A. A., Granroth, G. E., MacDougall, G. J., Buyers, W. J. L., Abernathy, D. L., Samolyuk, G. D., Stocks, G. M. & Nagler, S. E., 2012, In: Nature communications. 3, 1124.

Research output: Contribution to journal › Article › peer-review

Strain dependence of transition temperatures and structural symmetry of BiFeO₃ within the tetragonal-like structure

Siemons, W., MacDougall, G. J., Aczel, A. A., Zarestky, J. L., Biegalski, M. D., Liang, S., Dagotto, E., Nagler, S. E. & Christen, H. M., Nov 19 2012, In: Applied Physics Letters. 101, 21, 212901.

Research output: Contribution to journal › Article › peer-review

2011

Absence of static magnetic order in lightly-doped Ti_1-xSc _xOCl down to 1.7 K

Aczel, A. A., MacDougall, G. J., Ning, F. L., Rodriguez, J. A., Saha, S. R., Chou, F. C., Imai, T. & Luke, G. M., Apr 11 2011, In: Physical Review B - Condensed Matter and Materials Physics. 83, 13, 134411.

Research output: Contribution to journal › Article › peer-review

Open Access

Kinetically inhibited order in a diamond-lattice antiferromagnet

MacDougall, G. J., Gout, D., Zarestky, J. L., Ehlers, G., Podlesnyak, A., McGuire, M. A., Mandrus, D. & Nagler, S. E., Oct 20 2011, In: Proceedings of the National Academy of Sciences of the United States of America. 108, 38, p. 15693-15698 6 p.

Research output: Contribution to journal › Article › peer-review

Open Access

2010

Evolution of spin excitations into the superconducting state in FeTe _1-x Se _x

Lumsden, M. D., Christianson, A. D., Goremychkin, E. A., Nagler, S. E., Mook, H. A., Stone, M. B., Abernathy, D. L., Guidi, T., MacDougall, G. J., De La Cruz, C., Sefat, A. S., McGuire, M. A., Sales, B. C. & Mandrus, D., Mar 2010, In: Nature Physics. 6, 3, p. 182-186 5 p.

Research output: Contribution to journal › Article › peer-review

Magnetic properties of the geometrically frustrated S= 1 2 antiferromagnets, La₂ LiMoO₆ and Ba₂ YMoO ₆, with the B-site ordered double perovskite structure: Evidence for a collective spin-singlet ground state

Aharen, T., Greedan, J. E., Bridges, C. A., Aczel, A. A., Rodriguez, J., MacDougall, G., Luke, G. M., Imai, T., Michaelis, V. K., Kroeker, S., Zhou, H., Wiebe, C. R. & Cranswick, L. M. D., Jun 4 2010, In: Physical Review B - Condensed Matter and Materials Physics. 81, 22, 224409.

Research output: Contribution to journal › Article › peer-review

Open Access

Muon spin rotation measurements of heterogeneous field response in overdoped La2-x Srx CuO4

MacDougall, G. J., Savici, A. T., Aczel, A. A., Birgeneau, R. J., Kim, H., Kim, S. J., Ito, T., Rodriguez, J. A., Russo, P. L., Uemura, Y. J., Wakimoto, S., Wiebe, C. R. & Luke, G. M., Jan 11 2010, In: Physical Review B - Condensed Matter and Materials Physics. 81, 1, 014508.

Research output: Contribution to journal › Article › peer-review

Open Access

Potassium tantalate substrates for neutron experiments on antiferromagnetic perovskite films

Christen, H. M., MacDougall, G. J., Kim, H. S., Kim, D. H., Boatner, L. A., Bennett, C. J. C., Zarestky, J. L. & Nagler, S. E., 2010, In: Journal of Physics: Conference Series. 251, 1, 012021.

Research output: Contribution to journal › Article › peer-review

Structure and magnetic properties of the S=1 geometrically frustrated double perovskites La₂LiReO₆ and Ba₂YReO ₆

Aharen, T., Greedan, J. E., Bridges, C. A., Aczel, A. A., Rodriguez, J., MacDougall, G., Luke, G. M., Michaelis, V. K., Kroeker, S., Wiebe, C. R., Zhou, H. & Cranswick, L. M. D., Feb 26 2010, In: Physical Review B - Condensed Matter and Materials Physics. 81, 6, 064436.

Research output: Contribution to journal › Article › peer-review

Study of the ground state properties of LiHoxY1-xF4 using muon spin relaxation

Rodriguez, J., Aczel, A. A., Carlo, J. P., Dunsiger, S. R., MacDougall, G. J., Russo, P. L., Savici, A. T., Uemura, Y. J., Wiebe, C. R. & Luke, G. M., Sep 3 2010, In: Physical review letters. 105, 10, 107203.

Research output: Contribution to journal › Article › peer-review

Open Access

2009

Itinerant spin excitations near the hidden order transition in URu ₂Si₂

Janik, J. A., Zhou, H. D., Jo, Y. J., Balicas, L., MacDougall, G. J., Luke, G. M., Garrett, J. D., McClellan, K. J., Bauer, E. D., Sarrao, J. L., Qiu, Y., Copley, J. R. D., Yamani, Z., Buyers, W. J. L. & Wiebe, C. R., 2009, In: Journal of Physics Condensed Matter. 21, 19, 192202.

Research output: Contribution to journal › Article › peer-review

Open Access

Magnetism and superconductivity in heavy fermion superconductor CeCo (In_0.97 Cd_0.03)₅

Ohishi, K., Heffner, R. H., Spehling, J., MacDougall, G. J., Ito, T. U., Higemoto, W., Amato, A., Andreica, D., Nieuwenhuys, G., Klauss, H. H., Luke, G. M., Thompson, J. D., Bianchi, A. D. & Fisk, Z., Apr 15 2009, In: Physica B: Condensed Matter. 404, 5-7, p. 754-756 3 p.

Research output: Contribution to journal › Article › peer-review

Muon spin relaxation studies of the frustrated quasi-two-dimensional square-lattice spin system Cu (Cl,Br) la (Nb,Ta) 2 O7: Evolution from spin-gap to antiferromagnetic state

Uemura, Y. J., Aczel, A. A., Ajiro, Y., Carlo, J. P., Goko, T., Goldfeld, D. A., Kitada, A., Luke, G. M., MacDougall, G. J., Mihailescu, I. G., Rodriguez, J. A., Russo, P. L., Tsujimoto, Y., Wiebe, C. R., Williams, T. J., Yamamoto, T., Yoshimura, K. & Kageyama, H., Nov 13 2009, In: Physical Review B - Condensed Matter and Materials Physics. 80, 17, 174408.

Research output: Contribution to journal › Article › peer-review

Open Access

Static and dynamic magnetism in underdoped superconductor BaFe1.92Co0.08As2

Christianson, A. D., Lumsden, M. D., Nagler, S. E., MacDougall, G. J., McGuire, M. A., Sefat, A. S., Jin, R., Sales, B. C. & Mandrus, D., Aug 19 2009, In: Physical review letters. 103, 8, 087002.

Research output: Contribution to journal › Article › peer-review

Open Access

Static magnetic order and superfluid density of RFeAs(O,F) (R=La,Nd,Ce) and LaFePO studied by muon spin relaxation: Unusual similarities with the behavior of cuprate superconductors

Carlo, J. P., Uemura, Y. J., Goko, T., MacDougall, G. J., Rodriguez, J. A., Yu, W., Luke, G. M., Dai, P., Shannon, N., Miyasaka, S., Suzuki, S., Tajima, S., Chen, G. F., Hu, W. Z., Luo, J. L. & Wang, N. L., Feb 23 2009, In: Physical review letters. 102, 8, 087001.

Research output: Contribution to journal › Article › peer-review

Open Access

Gregory MacDougall

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