New relaxation processes in diluted Ho2Ti2O7

被引：2
|
作者：
Gardner, J. S. [1 ,2 ]
Kam, K. C. [3 ]
Ehlers, G. [4 ]
机构：
[1] Indiana Univ, Bloomington, IN 47408 USA
[2] NIST, Ctr Neutron Res, Gaithersburg, MD 20899 USA
[3] Univ Calif Santa Barbara, Mat Res Lab, Santa Barbara, CA 93106 USA
[4] Oak Ridge Natl Lab, Spallat Neutron Source, Oak Ridge, TN 37831 USA
来源：
PHYSICA B-CONDENSED MATTER | 2010年 / 405卷 / 02期
基金：
美国国家科学基金会;
关键词：
Spin-ice; Magnetic frustration; Neutron-spin-echo; HOT SPIN ICE; MAGNETIC-PROPERTIES; DYNAMICS; HO2RU2O7; Y2MO2O7;
D O I：
10.1016/j.physb.2009.09.104
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
We have studied the spin relaxation in diluted spin ice Ho2-xRxTi2O7 (R La or Y) by means of neutron scattering. Remarkably, doping with nonmagnetic ions does not relieve the geometrical frustration and the dynamics of the freezing is unaltered whilst the cubic unit cell is maintained. When the nonmagnetic substitution starts to distort the lattice, a new relaxation process is revealed. We present new data from several diluted spin ice samples where Arrhenius behaviour observed in the parent compound, Ho2Ti2O7 is superseded by other processes including a quantum tunnelling process. Published by Elsevier B.V.
引用
收藏
页码：774 / 777
页数：4
相关论文
共 50 条
  • [31] Damage evolution in Au-implanted Ho2Ti2O7 titanate pyrochlore
    Zhang, Yanwen
    Jagielski, Jacek
    Bae, In-Tae
    Xiang, Xia
    Thome, Lionel
    Balakrishnan, Geetha
    Paul, Don M.
    Weber, William J.
    NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS, 2010, 268 (19): : 3009 - 3013
  • [32] Magnetic Properties of Rare Earth Titanates Ho2Ti2O7 and Yb2Ti2O7 Doped with Y and Bi
    Nemytova, O. V.
    Rinkevich, A. B.
    Perov, D. V.
    Koroleva, M. S.
    Piir, I. V.
    Korkh, Y. V.
    JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM, 2024, 37 (8-10) : 1465 - 1474
  • [33] Phonon-mediated spin-flipping mechanism in the spin ices Dy2Ti2O7 and Ho2Ti2O7
    Ruminy, M.
    Chi, S.
    Calder, S.
    Fennell, T.
    PHYSICAL REVIEW B, 2017, 95 (06)
  • [34] Structural magnetic properties correlation in Ge doped frustrated Ho2Ti2O7 pyrochlore
    Chandra, Kailash
    Singh, Vinod
    Sharma, Saurabh K.
    Kulriya, Pawan K.
    JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 2022, 561
  • [35] High-pressure synchrotron X-ray diffraction study of the pyrochlores: Ho2Ti2O7, Y2Ti2O7 and Tb2Ti2O7
    Scott, Paul R.
    Midgley, A.
    Musaev, O.
    Muthu, D. V. S.
    Singh, S.
    Suryanarayanan, R.
    Revcolevschi, A.
    Sood, A. K.
    Kruger, M. B.
    HIGH PRESSURE RESEARCH, 2011, 31 (01) : 219 - 227
  • [36] Neutron scattering study of the spin correlation in the spin ice system Ho2Ti2O7
    Kanada, M
    Yasui, Y
    Kondo, Y
    Iikubo, S
    Ito, M
    Harashina, H
    Sato, M
    Okumura, H
    Kakurai, K
    Kadowaki, H
    JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 2002, 71 (01) : 313 - 318
  • [37] The spin ice Ho2Ti2O7 versus the spin liquid Tb2Ti2O7: field-induced magnetic structures
    Sazonov, A. P.
    Gukasov, A.
    Mirebeau, I.
    JOURNAL OF PHYSICS-CONDENSED MATTER, 2011, 23 (16)
  • [38] Symmetry and light stuffing of Ho2Ti2O7, Er2Ti2O7, and Yb2Ti2O7 characterized by synchrotron x-ray diffraction
    Baroudi, Kristen
    Gaulin, Bruce D.
    Lapidus, Saul H.
    Gaudet, Jonathan
    Cava, R. J.
    PHYSICAL REVIEW B, 2015, 92 (02):
  • [39] Common glass-forming spin-liquid state in the pyrochlore magnets Dy2Ti2O7 and Ho2Ti2O7
    Eyvazov, Azar B.
    Dusad, Ritika
    Munsie, Timothy J. S.
    Dabkowska, Hanna A.
    Luke, Graeme M.
    Kassner, Ethan R.
    Davis, J. C. Seamus
    Eyal, Anna
    PHYSICAL REVIEW B, 2018, 98 (21)
  • [40] Revisiting static and dynamic spin-ice correlations in Ho2Ti2O7 with neutron scattering
    Clancy, J. P.
    Ruff, J. P. C.
    Dunsiger, S. R.
    Zhao, Y.
    Dabkowska, H. A.
    Gardner, J. S.
    Qiu, Y.
    Copley, J. R. D.
    Jenkins, T.
    Gaulin, B. D.
    PHYSICAL REVIEW B, 2009, 79 (01):
12345