William R. Meier
Iowa State University
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Publication
Featured researches published by William R. Meier.
Physical Review B | 2016
William R. Meier; Tai Kong; Udhara S. Kaluarachchi; Valentin Taufour; Na Hyun Jo; G. Drachuck; A. E. Böhmer; Scott Saunders; A. Sapkota; A. Kreyssig; M. A. Tanatar; R. Prozorov; A. I. Goldman; Fedor Balakirev; A. Gurevich; S. L. Bud'ko; P. C. Canfield
We grew single-crystalline, single-phase CaKFe4As4 out of a high-temperature, quaternary melt. Temperature-dependent measurements of x-ray diffraction, anisotropic electrical resistivity, elastoresistivity, thermoelectric power, Hall effect, magnetization, and specific heat, combined with field-dependent measurements of electrical resistivity and field and pressure-dependent measurements of magnetization indicate that CaKFe4As4 is an ordered, stoichiometric, Fe-based superconductor with a superconducting critical temperature, Tc=35.0±0.2 K. Other than superconductivity, there is no indication of any other phase transition for 1.8K≤T≤300 K. All of these thermodynamic and transport data reveal striking similarities to those found for optimally or slightly overdoped (Ba1-xKx)Fe2As2, suggesting that stoichiometric CaKFe4As4 is intrinsically close to what is referred to as “optimal-doped” on a generalized, Fe-based superconductor, phase diagram. Furthermore, the anisotropic superconducting upper critical field, Hc2(T), of CaKFe4As4 was determined up to 630 kOe. The anisotropy parameter γ(T)=H
npj Quantum Materials | 2018
William R. Meier; Qing-Ping Ding; A. Kreyssig; Sergey L. Bud’ko; A. Sapkota; Karunakar Kothapalli; Vladislav Borisov; Roser Valenti; Cristian D. Batista; Peter P. Orth; Rafael M. Fernandes; A. I. Goldman; Y. Furukawa; A. E. Böhmer; Paul C. Canfield
Physical Review B | 2017
Kyuil Cho; A. Fente; Serafim Teknowijoyo; M. A. Tanatar; Kamal Joshi; N. M. Nusran; T. Kong; William R. Meier; U. Kaluarachchi; I. Guillamón; H. Suderow; Sergey L. Bud'ko; Paul C. Canfield; Ruslan Prozorov
⊥\atop{c2}
Physical Review Materials | 2017
William R. Meier; T. Kong; Sergey L. Bud'ko; Paul C. Canfield
Physical Review B | 2017
J. Cui; Q. P. Ding; William R. Meier; A. E. Böhmer; Tai Kong; Vladislav Borisov; Yongbin Lee; S. L. Bud'ko; Roser Valenti; P. C. Canfield; Y. Furukawa
/H
Physical Review B | 2017
Udhara S. Kaluarachchi; Valentin Taufour; A. Sapkota; Vladislav Borisov; Tai Kong; William R. Meier; Karunakar Kothapalli; B. G. Ueland; A. Kreyssig; Roser Valenti; R. J. McQueeney; A. I. Goldman; Sergey L. Bud'ko; Paul C. Canfield
Philosophical Magazine | 2016
A. Jesche; M. Fix; A. Kreyssig; William R. Meier; P. C. Canfield
∥\atop{c2}
Philosophical Magazine | 2017
Sergey L. Bud’ko; Tai Kong; William R. Meier; Xiaoming Ma; Paul C. Canfield
Physical Review B | 2018
Anton Fente; William R. Meier; Tai Kong; V. G. Kogan; Sergey L. Bud'ko; Paul C. Canfield; Isabel Guillamon; H. Suderow
, for H applied perpendicular and parallel to the c axis, decreases from ≃2.5 at Tc to ≃1.5 at 25 K, which can be explained by interplay of paramagnetic pair breaking and orbital effects. The slopes of dH
Physical Review B | 2017
Qingping Ding; William R. Meier; A. E. Böhmer; S. L. Bud’ko; Paul C. Canfield; Y. Furukawa
