W. Straszheim

activity

20012022

most citedVariation of transition temperatures and residual resistivity ratio in vapor-grown FeSe

115 citations · 581 across the 23 of their papers we have counts for

collaborators

23 papers

cond-mat.str-el2022★ 15 cited

Canted Antiferromagnetic phases in the layered candidate Weyl material EuMnSb $_{2}$

J. M. Wilde, S. X. M. Riberolles, Atreyee Das +10

EuMnSb $_{2}$ is a candidate topological material which can be tuned towards a Weyl semimetal, but there are differing reports for its antiferromagnetic (AFM) phases. The coupling of…

cond-mat.mtrl-sci2020★ 11 cited

Tuning of charge density wave transitions in LaAu $_{x}$ Sb $_{2}$ by pressure and Au-stoichiometry

Li Xiang, Dominic H. Ryan, Warren E. Straszheim +2

Two charge density wave transition can be detected in LaAu $_{x}$ Sb $_{2}$ at ~ 110 and ~ 90 K by careful electrical transport measurements. Whereas control of the Au site occupancy in L…

cond-mat.mtrl-sci2019★ 30 cited

Crystal growth, microstructure and physical properties of SrMnSb $_{2}$

Yong Liu, Tao Ma, Lin Zhou +13

We report on the crystal and magnetic structures, magnetic, and transport properties of SrMnSb $_{2}$ single crystals grown by the self-flux method. Magnetic susceptibility measuremen…

cond-mat.str-el2018★ 60 cited

The Effect of Nickel Substitution on Magnetism in the Layered van der Waals Ferromagnet Fe $_{3}$ GeTe $_{2}$

Gil Drachuck, Zaher Salman, Morgan W. Masters +6

We have grown a series of nickel substituted single crystals of the layered ferromagnet (FM) Fe $_{3}$ GeTe $_{2}$ . The large single crystalline samples of (Fe $_{1 - x}$ Ni $_{x}$ ) $_{3}$ GeTe $_{2}$ …

cond-mat.supr-con2018★ 3 cited

Lack of superconductivity in the phase diagram of single-crystalline Eu(Fe1-xCox)2As2 grown by transition metal arsenide flux

Gang Wang, William R. Meier, Warren E. Straszheim +3

The interplay of magnetism and superconductivity (SC) has been a focus of interest in condensed matter physics for decades. EuFe2As2 has been identified as a potential platform to…

cond-mat.supr-con2016★ 115 cited

Variation of transition temperatures and residual resistivity ratio in vapor-grown FeSe

A. E. Böhmer, V. Taufour, W. E. Straszheim +2

The study of the iron-based superconductor FeSe has blossomed with the availability of high quality single crystals, obtained through flux/vapor-transport growth techniques below t…

cond-mat.supr-con2016★ 72 cited

Energy Gap Evolution Across the Superconductivity Dome in Single Crystals of (Ba $_{1 - x}$ K $_{x}$ )Fe $_{2}$ As $_{2}$

Kyuil Cho, M. Konczykowski, S. Teknowijoyo +8

The mechanism of unconventional superconductivity in iron-based superconductors (IBSs) is one of the most intriguing questions in current materials research. Among non-oxide IBSs,…

cond-mat.supr-con2015★ 1 cited

In situ observation of phase separation and hierarchical microstructure of KxFe2-ySe2 single crystals

Yong Liu, Qingfeng Xing, Warren E. Straszheim +3

The nature of the phase separation in KxFe2-ySe2 single crystals is not well understood. Here, temperature dependent SEM images provide compelling evidence that phase separation co…

cond-mat.str-el2014★ 14 cited

Remarkably robust and correlated coherence and antiferromagnetism in (Ce $_{1 - x}$ La $_{x}$ )Cu $_{2}$ Ge $_{2}$

H. Hodovanets, S. L. Bud'ko, W. E. Straszheim +5

We present magnetic susceptibility, resistivity, specific heat, and thermoelectric power measurements on (Ce $_{1 - x}$ La $_{x}$ )Cu $_{2}$ Ge $_{2}$ single crystals (0 $\leq x \leq$ 1). With La…

cond-mat.str-el2014★ 16 cited

Resolution of the discrepancy between the variation of the physical properties of Ce1-xYbxCoIn5 single crystals and thin films with Yb composition

S. Jang, B. D. White, I. K. Lum +10

Measurements of physical properties show that Yb enters the single crystals systematically and in registry with the nominal Yb concentration x of the starting material dissolved in…

cond-mat.supr-con2014★ 27 cited

Competition between superconductivity and magnetic/nematic order as a source of anisotropic superconducting gap in underdoped Ba $_{1 - x}$ K $_{x}$ Fe $_{2}$ As $_{2}$

H. Kim, M. A. Tanatar, W. E. Straszheim +8

The in-plane London penetration depth, $Δ λ (T)$ , was measured using a tunnel diode resonator technique in single crystals of Ba $_{1 - x}$ K $_{x}$ Fe $_{2}$ As $_{2}$ with doping levels $x$ …

cond-mat.supr-con2014★ 12 cited

Combined effects of transition metal (Ni and Rh) substitution and annealing/quenching on physical properties of CaFe $_{2}$ As $_{2}$

Sheng Ran, Sergey L. Bud'ko, Warren E. Straszheim +1

We performed systematic studies of the combined effects of annealing/quenching temperature ({\itshape T} $_{A / Q}$ ) and T = Ni, Rh substitution ({\itshape x}) on the physical propert…

cond-mat.supr-con2014★ 25 cited

Interplane resistivity of underdoped single crystals (Ba $_{1 - x}$ K $_{x}$ )Fe $_{2}$ As $_{2}$ , $0 \leq x < 0.34$

M. A. Tanatar, W. E. Straszheim, Hyunsoo Kim +9

Temperature-dependent inter-plane resistivity, $ρ_{c} (T)$ , was measured in hole-doped iron-arsenide superconductor (Ba $_{1 - x}$ K $_{x}$ )Fe $_{2}$ As $_{2}$ over a doping range from parent compo…

cond-mat.supr-con2012★ 25 cited

Temperature-concentration phase diagram of (Ca1-xLax)10(Pt3As8)(Fe2As2)5 superconductors

N. Ni, W. E. Straszheim, D. J. Williams +6

Single crystals of (Ca1-xLax)10(Pt3As8)(Fe2As2)5 (x = 0 to 0.182) superconductors have been grown and characterized by X-ray, microprobe, transport and thermodynamic measurements.…

cond-mat.str-el2012

Anisotropic magnetization and resistivity of single crystalline RNi1-xBi2+-y (R = La-Nd, Sm, Gd-Dy)

Xiao Lin, Warren E. Straszheim, Sergey L. Bud'ko +1

We present a detailed study of RNi1-xBi2+-y (R = La-Nd, Sm, Gd-Dy) single crystals by measurements of stoichiometry and temperature dependent magnetic susceptibility, magnetization…

cond-mat.supr-con2012★ 2 cited

Synthesis and physical properties of the new potassium iron selenide superconductor K0.80Fe1.76Se2

Rongwei Hu, E. D. Mun, D. H. Ryan +13

In this article we review our studies of the K0.80Fe1.76Se2 superconductor, with an attempt to elucidate the crystal growth details and basic physical properties over a wide range…

cond-mat.supr-con2011★ 7 cited

Single crystal growth and superconductivity of Ca(Fe1-xCox)2As2

Rongwei Hu, Sheng Ran, S. L. Bud'ko +2

We report the single crystal growth of Ca(Fe1-xCox)2As2 (0 <= x <= 0.082) from Sn flux. The temperature-composition phase diagram is mapped out based on the magnetic susceptibility…

cond-mat.supr-con2011★ 39 cited

Doping - dependent superconducting gap anisotropy in the two-dimensional 10-3-8 pnictide Ca $_{10}$ (Pt $_{3}$ As $_{8}$ )[(Fe $_{1 - x}$ Pt $_{x}$ ) $_{2}$ As $_{2}$ ] $_{5}$

K. Cho, M. A. Tanatar, H. Kim +4

The characteristic features of Ca $_{10}$ (Pt $_{3}$ As $_{8}$ )[(Fe $_{1 - x}$ Pt $_{x}$ ) $_{2}$ As $_{2}$ ] $_{5}$ ("10-3-8") superconductor are relatively high anisotropy and a clear separation of supercon…

cond-mat.supr-con2011

Anisotropic resistivity in underdoped single crystals (Ba $_{1 - x}$ K $_{x}$ )Fe $_{2}$ As $_{2}$ , $0 \leq x < 0.35$

M. A. Tanatar, E. C. Blomberg, Hyunsoo Kim +5

Temperature-dependent in-plane, $ρ_{a} (T)$ , and inter-plane, $ρ_{c} (T)$ , resistivities were measured for the iron-arsenide superconductor (Ba $_{1 - x}$ K $_{x}$ )Fe $_{2}$ As $_{2}$ over a broad do…

cond-mat.supr-con2011★ 21 cited

Anisotropic magnetism, resistivity, London penetration depth and magneto-optical imaging of superconducting K0.80Fe1.76Se2 single crystals

R. Hu, K. Cho, H. Kim +6

Single crystals of K0.80Fe1.76Se2.02 were suscessfully grown from a ternary solution. We show that although crystals form when cooling a near stoichiometric melt, crystals are actu…

cond-mat.supr-con2011★ 33 cited

Phase diagram of superconductivity and antiferromagnetism in single crystals of Sr(Fe1-xCox)2As2 and Sr1-yEuy(Fe0.88Co0.12)2As2

Rongwei Hu, Sergey L. Bud'ko, Warren E. Straszheim +1

We report magnetic susceptibility, resistivity and heat capacity measurements on single crystals of the Sr(Fe1-xCox)2As2 and Sr1-yEuy(Fe0.88Co0.12)2As2 series. The optimal Co conce…

cond-mat.supr-con2003★ 15 cited

CVD routes to MgB2 conductors

D. K. Finnemore, W. E. Straszheim, S. L. Bud'ko +3

Processing methods are described for the development of magnesium diboride wire using the chemical vapor deposition (CVD) to produce long lengths of suitably doped starting boron f…

cond-mat.supr-con2001★ 38 cited

Synthesis and Processing of $M g B_{2}$ powders and wires

C. E. Cunningham, C. Petrovic, G. Lapertot +5

Sintered powders and wires of superconducting $M g B_{2}$ have been fabricated under a variety of conditions in order to determine details of the diffusion of the $M g$ into $B$ and to…

Canted Antiferromagnetic phases in the layered candidate Weyl material EuMnSb2​

Tuning of charge density wave transitions in LaAux​Sb2​ by pressure and Au-stoichiometry

Crystal growth, microstructure and physical properties of SrMnSb2​

The Effect of Nickel Substitution on Magnetism in the Layered van der Waals Ferromagnet Fe3​GeTe2​