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Low temperature amorphization and superconductivity in FeSe single crystals at high pressures

Published online by Cambridge University Press:  31 January 2011

Andrew K. Stemshorn ,
Georgiy Tsoi ,
Yogesh K. Vohra ,
Stanislav Sinogeiken ,
Phillip M. Wu ,
Yilin Huang ,
Sistla M. Rao ,
Maw-Kuen Wu ,
Kuo W. Yeh  and
Samuel T. Weir
Yogesh K. Vohra*
Affiliation:
Department of Physics, University of Alabama at Birmingham, Birmingham, Alabama 35294
Stanislav Sinogeiken
Affiliation:
High Pressure Collaborative Access Team (HPCAT), Advanced Photon Source, Argonne National Laboratory, Argonne, Illinois 60439
Phillip M. Wu
Affiliation:
Department of Physics, Duke University, Durham, North Carolina 27708
Kuo W. Yeh
Affiliation:
Institute of Physics, Academia Sinica, Nankang, Taipei 115, Taiwan
Samuel T. Weir
Affiliation:
L-041, Lawrence Livermore National Laboratory, Livermore, California 94550
*
a)Address all correspondence to this author. e-mail: ykvohra@uab.edu
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Abstract

In this study, we report low temperature x-ray diffraction studies combined with electrical resistance measurements on single crystals of iron-based layered superconductor FeSe to a temperature of 10 K and a pressure of 44 GPa. The low temperature high pressure x-ray diffraction studies were performed using a synchrotron source and superconductivity at high pressure was studied using designer diamond anvils. At ambient temperature, the FeSe sample shows a phase transformation from a PbO-type tetragonal phase to a NiAs-type hexagonal phase at 10 ± 2 GPa. On cooling, a structural distortion from a PbO-type tetragonal phase to an orthorhombic Cmma phase is observed below 100 K. At a low temperature of 10 K, compression of the orthorhombic Cmma phase results in a gradual transformation to an amorphous phase above 15 GPa. The transformation to the amorphous phase is completed by 40 GPa at 10 K. A loss of superconductivity is observed in the amorphous phase and a dramatic change in the temperature behavior of electrical resistance indicates formation of a semiconducting state at high pressures and low temperatures. The formation of the amorphous phase is attributed to a kinetic hindrance to the growth of a hexagonal NiAs phase under high pressures and low temperatures.

Keywords

Phase transformationSuperconductingX-ray diffraction (XRD)
Type
Materials Communications
Information
Journal of Materials Research , Volume 25 , Issue 2 , February 2010 , pp. 396 - 400
Copyright
Copyright © Materials Research Society 2010

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References

REFERENCES

1.Hsu, F-C., Luo, J-Y., Yeh, K-W., Chen, T-K., Huang, T-W., Wu, P.M., Lee, Y-C., Huang, Y-L., Chu, Y-Y., Yan, D-C., Wu, M-K.Superconductivity in the PbO-type structure α-FeSe. Proc. Nat. Acad. Sci. U.S.A. 105, 14262 (2008)CrossRefGoogle ScholarPubMed
2.Mizuguchi, Y., Tomioka, F., Tsuda, S., Yamaguchi, T., Takano, Y.Superconductivity at 27 K in tetragonal FeSe under high pressure. Appl. Phys. Lett. 93, 152505 (2008)CrossRefGoogle Scholar
3.Yeh, K.W., Hsu, H.C., Huang, T.W., Wu, P.M., Huang, Y.L., Chen, T.K., Luo, J.Y.Se and Te doping study of the FeSe superconductors. J. Phys. Soc. Jpn. 77, 19 (2008)CrossRefGoogle Scholar
4.Yeh, K-W., Huang, T-W., Huang, Y-L., Chen, T-K., Hsu, F-C., Wu, P.M., Lee, Y-C., Chu, Y-Y., Chen, C-L., Luo, J-Y., Yan, D-C., Wu, M-K.Tellurium substitution effect on superconductivity of the α-phase iron selenide. Eur. Phys. Lett. 84, 37002 (2008)CrossRefGoogle Scholar
5.Tsoi, G., Stemshorn, A., Vohra, K.Y., Wu, P.M., Hsu, F.C., Huang, Y.L., Wu, M.K., Yeh, K.W., Weir, S.T.High pressure superconductivity in iron-based layered compounds studied using designer diamonds. J. Phys. Condens. Matter 21, 232201 (2009)CrossRefGoogle ScholarPubMed
6.Andrew, K., Stemshorn, A., Vohra, Y.K., Wu, P.M., Hsu, F.C., Huang, Y.L., Wu, M.K., Yeh, K.W.Pressure-induced reversible amorphization in superconducting compound FeSe0.5Te0.5. High Pressure Res. 29, 267 (2009)Google Scholar
7.Arora, A.K. Pressure-induced amorphization, in High Pressure Phenomenon, Proceedings of the International School of Physics - Enrico Fermi, Course XXLVII edited by R.J. Hemley G.L. Chiarotti M. Bernasconi and L. Ulivi (IOS Press, Amsterdam, The Netherlands 2002)545Google Scholar
8.Wu, M.K., Hsu, F.C., Yeh, K.W., Huang, T.W., Luo, J.Y., Wang, M.J., Chang, H.H., Chen, T.K., Rao, S.M., Mok, B.H., Chen, C.L., Huang, Y.L., Ke, C.T., Wu, P.M., Chang, A.M., Wu, C.T., Perng, T.P.The development of the superconducting PbO-type beta-FeSe and related compounds. Physica C 469, 340 (2009)CrossRefGoogle Scholar
9.Li, S., de la Cruz, C., Huang, Q., Chen, Y., Lynn, J.W., Hu, J., Huang, Y-L., Hsu, F-C., Yeh, K-W., Wu, M-K., Dai, P.First-order magnetic and structural phase transitions in Fe1+ySexTe1−x. Phys. Rev. B 79, 054503 (2009)CrossRefGoogle Scholar
10.Weir, S.T., Akella, J., Ruddle, C.A., Vohra, Y.K., Catledge, S.A.Epitaxial diamond encapsulation of metal microprobes for high pressure experiments. Appl. Phys. Lett. 77, 3400 (2000)CrossRefGoogle Scholar
11.Birch, F.Finite elastic strain of cubic crystals. Phys. Rev. 71, 809 (1947)CrossRefGoogle Scholar
12.Velisavljevic, N., Vohra, Y.K.Distortion of alpha-uranium structure in praseodymium metal to 311 GPa. High Pressure Res. 24, 295 (2004)CrossRefGoogle Scholar
13.Wang, X-L., Gao, X., Ma, G-C., Yan, J., Zhang, W-Q., Li, J-M., Chin, J.Ultrahigh-pressure equation of state for copper at 0 K. Phys. Lett. 25, 3350 (2008)Google Scholar
14.Kroeger, F.R.Absolute linear thermal-expansion measurements on copper and aluminum from 5 to 320 K. J. Appl. Phys. 48, 853 (1977)CrossRefGoogle Scholar
15.Braithwaite, D., Salce, B., Lapertot, G., Bourdarot, F., Martin, C., Aoki, D., Hanfland, M.Superconducting and normal phases of FeSe single crystals at high pressure. J. Phys. Condens. Matter 21, 232202 (2009)CrossRefGoogle ScholarPubMed
16.Margadonna, S., Takabayashi, Y., McDonald, M.T., Kasperkiewicz, K., Mizuguchi, Y., Takano, Y., Fitch, A.N., Suard, E., Prassides, K.Pressure evolution of the low-temperature crystal structure and bonding of the superconductor FeSe. Chem. Commun. (Camb.) 5607 (2008)CrossRefGoogle Scholar
17.Garbarino, G., Sow, A., Lejay, P., Sulpice, A., Toulemonde, P., Mezouar, M., Nunez-Regueiro, M.High temperature superconductivity (T c onset at 34 K) in the high pressure orthorhombic phase of FeSe. Europhys. Lett. 86, 27001 (2009)CrossRefGoogle Scholar
18.Medvedev, S., McQueen, T.M., Troyan, I.A., Palasyuk, T., Eremets, M.I., Cava, R.J., Naghavi, S., Casper, F., Ksenofontov, V., Wortmann, G., Felser, C.Electronic and magnetic phase diagram of |[beta]|-Fe1.01Se with superconductivity at 36.7 K under pressure. Nat. Mater. 8, 630 (2009)CrossRefGoogle ScholarPubMed
19.Rotter, M., Tegel, M., Johrendt, D., Schellenberg, I., Hermes, W., Pottgen, R.Spin-density-wave anomaly at 140 K in the ternary iron arsenide BaFe2As2. Phys. Rev. B 78, 020503 (2008)CrossRefGoogle Scholar