2008
DOI: 10.1103/physrevlett.101.017005
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Tuning the Pressure-Induced Superconducting Phase in DopedCeRhIn5

Abstract: Pressure- and temperature-dependent heat capacity and electrical resistivity experiments on Sn- and La-doped CeRhIn5 are reported for two samples with specific concentrations, Ce(0.90)La(0.10)RhIn5 and CeRhIn(4.84)Sn(0.16), which present the same TN=2.8 K. The obtained P-T phase diagrams for doped CeRhIn5 compared to that for the pure compound show that Sn doping shifts the diagram to lower pressures while La doping does exactly the opposite, indicating that the important energy scale to define the pressure ra… Show more

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Cited by 33 publications
(34 citation statements)
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“…Additionally, the sign and strength of the coupling are not strongly influenced by the c-f hybridization as expected in most heavy fermion materials. As such, one may speculate that the strong local moment character of the Ce 3+ 4f magnetism in CeCuBi 2 is a dominant trend in CeT X 2 family (T = transition metal, X = pnictogen) which makes these families less likely [32] to host HF superconductivity, at least under ambient pressure.…”
Section: Resultsmentioning
confidence: 99%
“…Additionally, the sign and strength of the coupling are not strongly influenced by the c-f hybridization as expected in most heavy fermion materials. As such, one may speculate that the strong local moment character of the Ce 3+ 4f magnetism in CeCuBi 2 is a dominant trend in CeT X 2 family (T = transition metal, X = pnictogen) which makes these families less likely [32] to host HF superconductivity, at least under ambient pressure.…”
Section: Resultsmentioning
confidence: 99%
“…[16][17][18] CeRhIn 5 magnetically orders at T N =3.8 K [19][20][21] and enters an unconventional superconducting phase that can be accessed under hydrostatic pressures or temperatures below ∼ 75 mK. [22][23][24][25][26] CeRhIn 5 is isostructural with CeCoIn 5 , which is superconducting at ambient pressures with a T c =2.3 K. [14] The order parameter of the superconducting phase has a d-wave symmetry with nodes in the ab plane. [27,28] Magnetism and superconductivity are strongly coupled as evidenced by neutron scattering measurements reporting a doublet spin-resonance peak connected with superconductivity and indicating an order parameter that changes sign, consistent with d-wave symmetry.…”
Section: +mentioning
confidence: 99%
“…To describe the orientation of the magnetic moment, is the angle of the moment with relation of the ab plane and the angle in the ab plane. The magnetic structure of Ce 2 RhIn 7.79 Cd 0.21 was resolved by comparing the intensities of the ͑ 1 2 , 1 2 , l͒ ͑with l =4, 5,6,7,8,9, and 10͒ magnetic reflections with those expected using the model given in Eqs. ͑1͒-͑3͒.…”
Section: B Magnetic Structure Of Ce 2 (Rh Ir)in 779 CD 021mentioning
confidence: 99%
“…2,3 Particularly interesting in this family is the tunability of their ground state ͑GS͒ by pressure and/or doping which leads to remarkable phase diagrams showing interplay among USC, antiferromagnetism ͑AFM͒ and the presence of quantum critical phenomena. [2][3][4][5][6][7][8][9][10][11][12][13][14][15] For instance, applied pressure induces a high-pressure superconducting phase in the ambient pressure AFM members of this family, n =1 ͑115͒ member CeRhIn 5 ͑T N = 3.8 K͒ and n =2 ͑218͒ member Ce 2 RhIn 8 ͑T N = 2.8 K͒. 2,7,8 The under pressure properties of the single-layer member CeRhIn 5 were much more extensively studied.…”
Section: Introductionmentioning
confidence: 99%
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