Results 81 to 90 of about 4,273 (189)

Synthesis of superconducting pyrochlore RbOs2O6

, 2004
RbOs2O6, the third superconducting pyrochlore oxide (known so far), has been synthesized by encapsulation and by high pressure techniques. Suitable post chemical treatment of the as-prepared sample allowed us to eliminate the impurity phases.
B Batlogg, Brühwiler M Kazakov S M Zhigadlo N D Karpinski J Batlogg B, Hiroi Z Yonezawa S Muraoka Y, J Karpinski, M Brühwiler, N D Zhigadlo, S M Kazakov, Sakai H, Yonezawa S, Yonezawa S, Yonezawa S Muraoka Y Hiroi Z   +10 more
core   +1 more source

Evidence for a dynamical ground state in the frustrated pyrohafnate Tb2Hf2O7 [PDF]

, 2018
We report the physical properties of Tb2Hf2O7 based on ac magnetic susceptibility \chi_ac(T), dc magnetic susceptibility \chi(T), isothermal magnetization M(H), and heat capacity C_p(T) measurements combined with muon spin relaxation (\muSR) and neutron ...
Adroja, D., Anand, V., Biswas, P., Can vet, E., Herrmannsdörfer, T., Hillier, A., Hornung, J., Lake, B., Opherden, L., Uhlarz, M., Wosnitza, J., Xu, J.   +11 more
core   +3 more sources

Stepwise Reduction of Ruthenium and Growth of Magnetic Structure During Hydrothermal Crystallisation of SrRu2O6 from KRuO4

Angewandte Chemie, Volume 138, Issue 2, 9 January 2026.
In situ neutron powder diffraction data collected while heating the Ru(VII) reagent KRuO4 in the presence of aqueous Sr2+ reveal the crystallisation of a Ru(VI) oxyhydroxide before the expected Ru(V) oxide; at the same time evolution of antiferromagnetism in the final SrRu2O6 product follows the growth of its crystal structure.
Mark Crossman, Craig I. Hiley, Helen Y. Playford, Chris M. Goodway, Ronald I. Smith, Thomas C. Hansen, Richard I. Walton   +6 more
wiley   +1 more source

Canonical magnetic insulators with isotropic magnetoelectric coupling

, 2013
We have performed an exhaustive representation-theory-based search for the simplest structures allowing isotropic magnetoelectric coupling. We find 30 such structures, all sharing a common pattern of atomic displacements in the direction of atomic ...
Coh, Sinisa, Vanderbilt, David
core   +1 more source

Movilidad de oxígeno en conductores iónicos A₂Ti_2-yZr_yO₇ (A: Y, Gd)

Boletín de la Sociedad Española de Cerámica y Vidrio, 2004
We report a study of ionic conductivity in the series Y2Ti2-yZryO7 and Gd2Ti2-yZryO7 (0≤y≤2) obtained by mechanochemical synthesis. We present a study of oxygen ion dynamics in these materials by Impedance Spectroscopy.
León, C., García-Barriocanal, J., Fuentes, A. F., Mendoza-Suárez, G., Moreno, K. J., Santamaría, J.   +5 more
doaj  

Frustration under pressure: Exotic magnetism in new pyrochlore oxides

APL Materials, 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 the condensed matter community due to the ease of substitution of rare earth and transition ...
C. R. Wiebe, A. M. Hallas
doaj   +1 more source

Single-crystal growth and magnetic properties of the metallic molybdate pyrochlore Sm2Mo2O7

, 2007
We have successfully grown cm3-size single crystals of the metallic-ferromagnet Sm2Mo2O7 by the floating-zone method using an infrared-red image furnace.
A. Revcolevschi, Czeskleba-Kerner, Fukazawa, G. Dhalenne, Hara, Harris, Harris, Malkin, Manthiram, Mirebeau, Mirebeau, Onoda, Petrenko, R. Suryanarayanan, Rivas, Romuald S. Martin, Saha, Solovyev, Subramanian, Surjeet Singh, Taguchi, Taguchi, Taguchi, Taguchi, Yasui   +24 more
core   +1 more source

Atomistic Insights into the Electrochemical Oxygen Evolution Activity of Hollandite IrO2 Surfaces

Advanced Science, Volume 13, Issue 6, 30 January 2026.
Lattice distortions at tunnel‐structured hollandite IrO2 surfaces reshape Ir‐O bonding: they weaken the σ‐bond contribution in the Ir‐*OH bond while enhancing the π contribution of the Ir‐*O bond. This orbital reorganization in hollandite surfaces stabilizes *O, facilitates the *OH → O step, and lowers the oxygen‐evolution reaction overpotential ...
Sangseob Lee, Kisung Kang, Taehun Lee, Aloysius Soon   +3 more
wiley   +1 more source

Dipolar Interactions and Origin of Spin Ice in Ising Pyrochlore Magnets

, 2000
Recent experiments suggest that the Ising pyrochlore magnets ${\rm Ho_{2}Ti_{2}O_{7}}$ and ${\rm Dy_{2}Ti_{2}O_{7}}$ display qualitative properties of the spin ice model proposed by Harris {\it et al.} \prl {\bf 79}, 2554 (1997).
A. P. Ramirez, Byron C. den Hertog, J. N. Reimers, J. S. Gardner, J. Villain, L. Pauling, M. Born, M. J. Harris, M. J. Harris, Michel J. P. Gingras, N. P. Raju, R. Moessner, R. Siddharthan, S. T. Bramwell, S. W. de Leeuw   +14 more
core   +1 more source

Ultra‐Thin Oxide‐Based Double‐Layer Architecture Achieves Wide‐Temperature Broadband Microwave Absorption by Synergizing Lorentz Resonance and Thermionic Transport

Advanced Science, Volume 13, Issue 2, 9 January 2026.
Developing ultrathin wide‐temperature adaptive microwave absorption materials (MAMs) is crucial for enhancing the survival of military devices under alternating high‐temperature environment. Here, a double‐layer La2Zr2O7/Eu2Zr2O7 architecture is employed, with rare‐earth zirconates featuring with one‐eighth anion‐site vacancies, successfully achieving ...
Zewen Duan, Ruopeng Cui, Yi Li, Lu Gao, Xuefei Zhang, Lingfeng Yuan, Biao Zhao, Chunlei Wan   +7 more
wiley   +1 more source