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Large single crystals of the pyrochlore Pr2Hf2O7 have been successfully grown by the floating zone technique using an optical furnace equipped with high power Xenon arc lamps. Structural investigations have been carried out by both…

We report the optimized conditions for growing the high quality single crystals of candidate quantum spin-ice Pr2Hf2O7 using the optical floating-zone method. Large single crystals of Pr2Hf2O7 have been grown under different growth…

强关联电子 · 物理学 2019-01-02 V. K. Anand , A. T. M. N. Islam , A. Samartzis , J. Xu , N. Casati , B. Lake

Pyrochlore $\rm Pr^{3+}_{2+x}Zr^{4+}_{2-x}O_{7-x/2}$ samples in the form of both powders $(-0.02 \le x \le 0.02)$ and bulk single crystals have been studied to elucidate the dependence of their magnetic, compositional and structural…

材料科学 · 物理学 2014-07-08 S. M. Koohpayeh , J. -J. Wen , B. A. Trump , C. L. Broholm , T. M. McQueen

We describe a simple procedure for optimising the growth condition for high quality single crystals of the strontium ruthenate perovskites using an image furnace. The procedure involves carefully measuring the mass lost during crystal…

材料科学 · 物理学 2009-11-10 R. S. Perry , Y. Maeno

This work presents a comprehensive investigation of the structural, magnetic, and electronic properties of the double perovskite Ba$_2$CoMoO$_6$ (BCMO). Single crystals were grown via floating-zone and Czochralski techniques and…

We report a study on the crystal growth of the hexagonal manganites $R$MnO$_3$ ($R$ = Y, Lu, Ho, Er, and Tm) by using an optical floating-zone method. It was found that high-quality single crystals of $R$ = Y, Lu, and Ho could be easily…

强关联电子 · 物理学 2015-06-17 C. Fan , Z. Y. Zhao , J. D. Song , J. C. Wu , F. B. Zhang , X. F. Sun

High-quality single crystals are essentially needed for the investigation of the novel bulk properties of unconventional superconductors. The availability of such crystals grown by the floating-zone method has helped to unveil the…

超导电性 · 物理学 2019-01-08 J. S. Bobowski , N. Kikugawa , T. Miyoshi , H. Suwa , S. Yonezawa , D. A. Sokolov , A. P. Mackenzie , Y. Maeno

SrRuO3 is a highly interesting material due to its anomalous-metal properties related with ferromagnetism and its relevance as conductive perovskite layer or substrate in heterostructure devices. We have used optical floating zone technique…

强关联电子 · 物理学 2016-06-02 S. Kunkemöller , F. Sauer , A. A. Nugroho , M. Braden

We report a systematic study on the crystal growth of the rare-earth titanates $R_2$Ti$_2$O$_7$ ($R$ = Gd, Tb, Dy, Ho, Y, Er, Yb and Lu) and Y-doped Tb$_{2-x}$Y$_x$Ti$_2$O$_7$ ($x$ = 0.2 and 1) using an optical floating-zone method.…

强关联电子 · 物理学 2013-11-13 Q. J. Li , L. M. Xu , C. Fan , F. B. Zhang , Y. Y. Lv , B. Ni , Z. Y. Zhao , X. F. Sun

CuFeO$_2$ single crystals up to 50 mm in length and up to 10 mm in diameter were grown by the optical floating-zone method. Stoichiometric polycrystalline rods with a diameter of 6-12 mm were used as feed materials to produce crystals of…

材料科学 · 物理学 2020-01-07 Nora Wolff , Tobias Schwaigert , Dietmar Siche , Darrell G. Schlom , Detlef Klimm

We report the growth of large high quality crystals of the frustrated magnet, Pr2Zr2O7 by the floating zone technique. Several crystals have been produced starting with varying levels of excess of Pr6O11 to compensate for the loss of Pr2O3…

材料科学 · 物理学 2016-11-09 M. Ciomaga Hatnean , C. Decorse , M. R. Lees , O. A. Petrenko , D. S. Keeble , G. Balakrishnan

The availability of large high-quality single crystals is an important prerequisite for many studies in solid-state research. The optical floating-zone technique is an elegant method to grow such crystals, offering potential to prepare…

Single crystals of PrNiO3 were grown under an oxygen pressure of 295 bar using a unique high-pressure optical-image floating zone furnace. The crystals, with volume in excess of 1 mm3, were characterized structurally using single crystal…

We report on the growth of stoichiometric Sr$_2$IrO$_4$ single crystals, which allow us to unveil their intrinsic magnetic properties. The effect of different growth conditions has been investigated for crystals grown by the flux method. We…

强关联电子 · 物理学 2016-04-27 N. H. Sung , H. Gretarsson , D. Proepper , J. Porras , M. Le Tacon , A. V. Boris , B. Keimer , B. J. Kim

SmCrO$_3$ single crystals were successfully grown utilizing the high-pressure optical floating-zone method and their crystal structure, magnetization behavior, and magnetic phase diagrams were thoroughly investigated. Magnetic studies were…

Recent neutron scattering and specific heat studies on the pyrochlore Yb2Ti2O7 have revealed variations in its magnetic behavior below 265mK. In the best samples, a sharp anomaly in the specific heat is observed at T=265mK. Other samples,…

Mm-sized LiMn$_{1-x}$Fe$_x$PO$_4$ single crystals with $0\leq x \leq 1$ were grown by means of the traveling floating-zone technique at elevated Argon pressure of 30~bar. For the various doping levels, the growth process was optimized with…

强关联电子 · 物理学 2017-02-07 Christoph Neef , Hubert Wadepohl , Hans-Peter Meyer , Rüdiger Klingeler

We report the growth of YFe2O4-\delta\ single crystals by the optical floating zone method, showing for the first time the same magnetization as highly stoichiometric (\delta = 0.00) powder samples and sharp superstructure reflections in…

材料科学 · 物理学 2015-08-13 Thomas Mueller , Joost de Groot , Joerg Strempfer , Manuel Angst

We discuss the magnetic properties of a Sm$_{2}$Mo$_{2}$O$_{7}$ single crystal as investigated by means of different experimental techniques. In the literature, a conventional itinerant ferromagnetic state is reported for the Mo$^{4+}$…

强关联电子 · 物理学 2014-08-13 G. Prando , P. Carretta , A. U. B. Wolter , R. Saint-Martin , A. Revcolevschi , B. Büchner

Spin-orbit coupling in heavy 5$d$ metal oxides, in particular, iridates have received tremendous interest in recent years due to the realization of exotic electronic and magnetic phases. Here, we report the synthesis, structural, magnetic,…

强关联电子 · 物理学 2022-10-26 Harish Kumar , M. Köpf , A. Ullrich , M. Klinger , A. Jesche , C. A. Kuntscher
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