Search Results - "Hallas, A. M"

Refine Results
  1. 1

    Quantum Critical Point in the Itinerant Ferromagnet Ni1−xRhx by Huang, C-L, Hallas, A M, Grube, K, Kuntz, S, Spieß, B, Bayliff, K, Besara, T, Siegrist, T, Cai, Y, Beare, J, Luke, G M, Morosan, E

    Published in Physical review letters (20-03-2020)
    “…We report a chemical substitution-induced ferromagnetic quantum critical point in polycrystalline Ni1−xRhx alloys. Through magnetization and muon spin…”
    Get full text
    Journal Article
  2. 2

    Dynamical ground state in the XY pyrochlore Yb2GaSbO7 by Sarte, P. M., Cruz-Kan, K., Ortiz, B. R., Hong, K. H., Bordelon, M. M., Reig-i-Plessis, D., Lee, M., Choi, E. S., Stone, M. B., Calder, S., Pajerowski, D. M., Mangin-Thro, L., Qiu, Y., Attfield, J. P., Wilson, S. D., Stock, C., Zhou, H. D., Hallas, A. M., Paddison, J. A. M., Aczel, A. A., Wiebe, C. R.

    Published in npj quantum materials (05-05-2021)
    “…The magnetic ground state of the pyrochlore Yb 2 GaSbO 7 has not been established. The persistent spin fluctuations observed by muon spin-relaxation…”
    Get full text
    Journal Article
  3. 3
  4. 4

    Successive phase transitions and extended spin-excitation continuum in the S=1/2 triangular-lattice antiferromagnet Ba3CoSb2O9 by Zhou, H D, Xu, Cenke, Hallas, A M, Silverstein, H J, Wiebe, C R, Umegaki, I, Yan, J Q, Murphy, T P, Park, J-H, Qiu, Y, Copley, J R D, Gardner, J S, Takano, Y

    Published in Physical review letters (28-12-2012)
    “…Using magnetic, thermal, and neutron measurements on single-crystal samples, we show that Ba3CoSb2O9 is a spin-1/2 triangular-lattice antiferromagnet with the…”
    Get full text
    Journal Article
  5. 5

    Magnetic frustration in lead pyrochlores by Hallas, A. M., Arevalo-Lopez, A. M., Sharma, A. Z., Munsie, T., Attfield, J. P., Wiebe, C. R., Luke, G. M.

    “…The rich phase diagrams of magnetically frustrated pyrochlores have maintained a high level of interest over the past 20 years. To experimentally explore these…”
    Get full text
    Journal Article
  6. 6

    Chemical pressure effects on pyrochlore spin ice by Zhou, H D, Cheng, J G, Hallas, A M, Wiebe, C R, Li, G, Balicas, L, Zhou, J S, Goodenough, J B, Gardner, J S, Choi, E S

    Published in Physical review letters (18-05-2012)
    “…A comparison among the two sets of studied pyrochlore spin ices, Ho2Sn2O7, Ho2Ti2O7, and Ho2Ge2O7 with Ho3+ spins and Dy2Sn2O7, Dy2Ti2O7, and Dy2Ge2O7 with…”
    Get full text
    Journal Article
  7. 7
  8. 8

    Incipient ferromagnetism in Tb2Ge2O7: application of chemical pressure to the enigmatic spin-liquid compound Tb2Ti2O7 by Hallas, A M, Cheng, J G, Arevalo-Lopez, A M, Silverstein, H J, Su, Y, Sarte, P M, Zhou, H D, Choi, E S, Attfield, J P, Luke, G M, Wiebe, C R

    Published in Physical review letters (31-12-2014)
    “…After nearly 20 years of study, the origin of the spin-liquid state in Tb2Ti2O7 remains a challenge for experimentalists and theorists alike. To improve our…”
    Get full text
    Journal Article
  9. 9

    Frustration under pressure: Exotic magnetism in new pyrochlore oxides by Wiebe, C. R., Hallas, A. M.

    Published in APL materials (01-04-2015)
    “…Pyrochlore structures, of chemical formula A2B2O7 (A and B are typically trivalent and tetravalent ions, respectively), have been the focus of much activity in…”
    Get full text
    Journal Article
  10. 10

    Anomalous Metamagnetism in the Low Carrier Density Kondo Lattice YbRh3Si7 by Rai, Binod K

    Published in Physical review. X (13-12-2018)
    “…We report complex metamagnetic transitions in single crystals of the new low carrier Kondo antiferromagnetYbRh3Si7. Electrical transport, magnetization, and…”
    Get full text
    Journal Article
  11. 11
  12. 12

    Pb3TeCo3V2O14: A Potential Multiferroic Co Bearing Member of the Dugganite Series by Silverstein, H. J, Cruz-Kan, K, Hallas, A. M, Zhou, H. D, Donaberger, R. L, Hernden, B. C, Bieringer, M, Choi, E. S, Hwang, J. M, Wills, A. S, Wiebe, C. R

    Published in Chemistry of materials (28-02-2012)
    “…Polycrystalline Pb3TeCo3V2O14, a structural analogue of the multiferroic Ba3NbFe3Si2O14, was synthesized and characterized using X-ray diffraction, magnetic…”
    Get full text
    Journal Article
  13. 13

    Neutron scattering study of the kagome metal Sc3Mn3Al7Si5 by Li, X. Y, Reig-i-Plessis, D, Liu, P. -F, Wu, S, Wang, B. -T, Hallas, A. M, Stone, M. B, Broholm, C, Aronson, M. C

    Published 05-10-2021
    “…Sc3Mn3Al7Si5 is a rare example of a correlated metal in which the Mn moments form a kagome lattice. The absence of magnetic ordering to the lowest temperatures…”
    Get full text
    Journal Article
  14. 14

    Effect of Chemical Pressure on the Crystal Electric Field States of Erbium Pyrochlore Magnets by Gaudet, J, Hallas, A. M, Kolesnikov, A. I, Gaulin, B. D

    Published 04-08-2017
    “…Phys. Rev. B 97, 024415 (2018) We have carried out a systematic study of the crystal electric field excitations in the family of cubic pyrochlores…”
    Get full text
    Journal Article
  15. 15

    Probing the quantum phase transition in Mott insulator BaCoS_2 tuned by pressure and Ni-substitution by Guguchia, Z, Frandsen, B. A, Santos-Cottin, D, Cheung, S. C, Gong, Z, Sheng, Q, Yamakawa, K, Hallas, A. M, Wilson, M. N, Cai, Y, Beare, J, Khasanov, R, De Renzi, R, Luke, G. M, Shamoto, S, Gauzzi, A, Klein, Y, Uemura, Y. J

    Published 23-01-2019
    “…Phys. Rev. Materials 3, 045001 (2019) We present a muon spin relaxation study of the Mott transition in BaCoS_2 using two independent control parameters: (i)…”
    Get full text
    Journal Article
  16. 16

    Low-carrier density and fragile magnetism in a Kondo lattice system by Rai, Binod K, Oswald, Iain W. H, Ban, Wenjing, Huang, C. -L, Loganathan, V, Hallas, A. M, Wilson, M. N, Luke, G. M, Harriger, L, Huang, Q, Li, Y, Dzsaber, Sami, Chan, Julia Y, Wang, N. L, Paschen, Silke, Lynn, J. W, Nevidomskyy, Andriy H, Dai, P, Si, Q, Morosan, E

    Published 20-08-2018
    “…Phys. Rev. B 99, 085120 (2019) Kondo-based semimetals and semiconductors are of extensive current interest as a viable platform for strongly correlated states…”
    Get full text
    Journal Article
  17. 17
  18. 18
  19. 19
  20. 20

    Sub-Kelvin magnetic order in Sm sub(3)Ga sub(5)O sub(12) single crystal by Sharma, A Z, Silverstein, H J, Hallas, A M, Luke, G M, Wiebe, C R

    “…The garnets remain one of the most studied classes of materials due to their technological applications. While many studies have focused on the low temperature…”
    Get full text
    Journal Article