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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…

Strongly Correlated Electrons · Physics 2019-01-02 V. K. Anand , A. T. M. N. Islam , A. Samartzis , J. Xu , N. Casati , B. Lake

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…

Strongly Correlated Electrons · Physics 2017-02-07 Christoph Neef , Hubert Wadepohl , Hans-Peter Meyer , Rüdiger Klingeler

We have grown underdoped (x = 0.11, 0.12) and optimally doped (x = 0.16) La2-xSrxCuO4 (LSCO) crystals by traveling-solvent floating-zone (TSFZ) technique. In order to obtain LSCO single crystals of high quality, we have made much effort to…

Superconductivity · Physics 2009-01-23 Xiaoli Shen , Zhengcai Li , Caixia Shen , Wei Lu , Xiaoli Dong , Fang Zhou* , Zhongxian Zhao

We report the growth of mm-sized Pmnb-Li2FeSiO4 single crystals by means of the optical floating-zone method at high argon pressure and describe the conditions required for a stable growth process. The crystal structure is determined and…

We have attempted the crystal growth by the traveling-solvent floating-zone (TSFZ) method of La_{2-x}Ba_xCuO_4 with x~1/8, where the superconductivity is strongly suppressed. Under flowing O_2-gas of a high pressure (4 bars), we have…

Superconductivity · Physics 2009-11-07 T. Adachi , T. Noji , Y. Koike

We report on the crystal growth of the quasi one-dimensional quantum spin chain compound SrCuO$_{2}$ and its doped variants containing magnetic cobalt (0.25%, 0.5%, 1% and 2.5%) and non-magnetic zinc (0.5\% and 1\%) impurities. Crystals are…

Strongly Correlated Electrons · Physics 2015-01-13 Koushik Karmakar , Amartya Singh , Surjeet Singh , Amy Poole , Christian Rüegg

Single crystal growth of {\alpha}-Na$_x$MnO$_2$ (x = 0.90) is reported via the floating zone technique. The conditions required for stable growth and intergrowth-free crystals are described along with the results of trials under alternate…

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…

Materials Science · Physics 2020-01-07 Nora Wolff , Tobias Schwaigert , Dietmar Siche , Darrell G. Schlom , Detlef Klimm

The methodology of single crystal growth of metastable $\beta$-Ti alloy TIMETAL LCB in an optical floating zone furnace is presented in this paper. Chemical compositions of both precursor material and single crystals were checked. It was…

Materials Science · Physics 2018-03-21 Jana Šmilauerová , Jiří Pospíšil , Petr Harcuba , Václav Holý , Miloš Janeček

High-quality Bi$_{2+x}$Sr$_{2-x}$CuO$_{6+\delta}$(0$<$x$\leq$0.5) single crystals have been grown successfully using the travelling-solvent floating-zone(TSFZ) technique. The samples with $x >$ 0.05 are in the underdoped level. The…

Superconductivity · Physics 2009-11-11 Huiqian Luo , Lei Fang , Gang Mu , Hai-Hu Wen

We have investigated the effect of synthesis and growth conditions on the magnetic, structural, and compositional properties of pyrochlore oxide holmium titanate and demonstrate a method for growing high quality stoichiometric single…

Materials Science · Physics 2018-09-26 Alireza Ghasemi , Allen Scheie , Jonas Kindervater , Seyed M. Koohpayeh

Single crystals of LiFeAs were successfully grown by a self-flux method using the cubic anvil high-pressure and high-temperature technique. The reaction took place in a closed boron nitride crucible at a pressure of 1 GPa and a temperature…

Superconductivity · Physics 2024-11-05 N. D. Zhigadlo

The Fe^{4+}-containing cubic perovskite phase SrFeO_3-x is of interest both for its high-temperature, oxygen-conducting properties as a solid oxide fuel cell component, and at low temperatures, where it exhibits a plethora of helical…

Materials Science · Physics 2012-10-23 D. C. Peets , Jung-hwa Kim , M. Reehuis , P. Dosanjh , B. Keimer

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…

Superconductivity · Physics 2019-01-08 J. S. Bobowski , N. Kikugawa , T. Miyoshi , H. Suwa , S. Yonezawa , D. A. Sokolov , A. P. Mackenzie , Y. Maeno

The high-pressure optical floating-zone method enables single crystal growth of the Pmnb high-temperature phase of Li2FeSiO4. The influence of growth conditions on crystal quality, phase homogeneity, and impurity formation in Li2FeSiO4 is…

Materials Science · Physics 2021-01-01 Waldemar Hergett , Christoph Neef , Hans-Peter Meyer , Rüdiger Klingeler

We report on the single crystal growth of Eu(Pd$_{1-x}$Au$_x$)$_2$Si$_2$, $0< x\leq 0.2$, from a levitating Eu-rich melt using the Czochralski method. Our structural analysis of the samples confirms the ThCr$_2$Si$_2$-type structure as well…

Ni-doped LiMn0.95Ni0.05PO4 single crystals have been grown for the first time by the travelling-solvent floating-zone method at low Argon pressure. The grown sample exhibits large single crystalline grains as revealed by means of…

Pyrochlore erbium titanate samples in the form of powders (with nominal compositions of Er2Ti2+xO7) and bulk single crystals were prepared to elucidate the effect of synthesis and growth conditions on their composition, structure, and…

Materials Science · Physics 2018-12-14 Q. Wang , A. Ghasemi , A. Scheie , S. M. Koohpayeh

Effects of the growth velocity on the crystal growth behavior of Bi_2Sr_2Ca_1Cu_2O_x (Bi-2212) have been studied by floating zone technique. The results show that a necessary condition for obtaining large single crystals along the c-axis is…

Materials Science · Physics 2008-06-02 J. S. Wen , Z. J. Xu , G. Y. Xu , M. Hücker , J. M. Tranquada , G. D. Gu

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…

Materials Science · Physics 2014-07-08 S. M. Koohpayeh , J. -J. Wen , B. A. Trump , C. L. Broholm , T. M. McQueen
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