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Thermopower Evolution in Yb( $$\hbox {Rh}_{1-x}\hbox {Co}_x$$ Rh 1 - x Co x ) $$_2\hbox {Si}_2$$ 2 Si 2 Upon 4f Localization

Autor: C. Klingner, U. Stockert, Cornelius Krellner, Frank Steglich, C. Geibel, V. Zlatić

Publikováno v: Journal of Low Temperature Physics. 196:364-374

We present thermopower measurements on Yb( $$\hbox {Rh}_{1-x}\hbox {Co}_x$$ ) $$_2\hbox {Si}_2$$ . Upon cobalt substitution, the Kondo temperature is decreasing and the single large thermopower minimum observed for $$\hbox {YbRh}_2\hbox {Si}_2$$ spli

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fbeeb961145eba6508cae476f1d21ee0
https://doi.org/10.1007/s10909-019-02187-6

Dependence of transport coefficients of Yb(Rh1−xCox)2Si2 intermetallics on temperature and cobalt concentration

Autor: U. Stockert, Veljko Zlatić

Publikováno v: Physical Review B. 101

Dependence of transport coefficients of the $\mathrm{Yb}{({\mathrm{Rh}}_{1\ensuremath{-}x}{\mathrm{Co}}_{x})}_{2}{\mathrm{Si}}_{2}$ series of alloys on temperature and cobalt concentration is explained by an asymmetric Anderson model which takes into

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bbe62acdeb83082e7d55bb863732ea19
https://doi.org/10.1103/physrevb.101.155146

Interplay between unconventional superconductivity and heavy-fermion quantum criticality: CeCu 2 Si 2 versus YbRh 2 Si 2

Autor: Sven Friedemann, Huiqiu Yuan, G. M. Pang, Steffen Wirth, Emilian M. Nica, Stefan Kirchner, Tatsuo C. Kobayashi, Frank Steglich, Alexander Steppke, Rong Yu, Stefan Lausberg, Qimiao Si, U. Stockert, Cornelius Krellner, Lin Jiao, H. A. Vieyra, Kenji Ishida, Oliver Stockert, Manuel Brando, Michael Smidman, Heike Pfau, J. Arndt, Erwin Schuberth, M. Tippmann, K. Fujiwara, Lucia Steinke, Shunsaku Kitagawa, Peijie Sun

Publikováno v: Philosophical Magazine
Smidman, M, Stockert, O, Arndt, J, Pang, G M, Jiao, L, Yuan, H Q, Vieyra, H A, Kitagawa, S, Ishida, K, Fujiwara, K, Kobayashi, T C, Schuberth, E, Tippmann, M, Steinke, L, Lausberg, S, Steppke, A, Brando, M, Pfau, H, Stockert, U, Sun, P, Friedemann, S, Wirth, S, Krellner, C, Kirchner, S, Nica, E M, Yu, R, Si, Q & Steglich, F 2018, ' Interplay between unconventional superconductivity and heavy-fermion quantum criticality : CeCu 2 Si 2 versus YbRh 2 Si 2 ', Philosophical Magazine, vol. 98, no. 32, pp. 2930-2963 . https://doi.org/10.1080/14786435.2018.1511070

In this paper the low-temperature properties of two isostructural canonical heavy-fermion compounds are contrasted with regards to the interplay between antiferromagnetic (AF) quantum criticality and superconductivity. For CeCu$_2$Si$_2$, fully-gappe

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a39cbc938f42ec17163dad0a073fcbd7

Influence of Ir and La substitution on the thermal transport properties of YbRh2 Si2

Autor: Stefanie Hartmann, Frank Steglich, U. Stockert, Steffen Wirth, Christoph Geibel, Stefan Lausberg, Cornelius Krellner, Sven Friedemann, Heike Pfau

Publikováno v: physica status solidi (b). 250:491-494

We investigate the influence of small amounts of Ir and La substitution on the low-temperature thermal conductivity κ and thermopower S of YbRh2Si2. While the thermal conductivity is reduced in both cases due to the introduction of additional impuri

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c4fcb4b2ff107c328e4ebacedd52461f
https://doi.org/10.1002/pssb.201200787