Zobrazeno 1 - 10 of 283 pro vyhledávání: '"Sidorov VA"'
1
Disorder in quantum critical superconductors
Autor: Seo, S, Lu, X, Zhu, JX, Urbano, RR, Curro, N, Bauer, ED, Sidorov, VA, Pham, LD, Park, T, Fisk, Z, Thompson, JD
Publikováno v: Seo, S; Lu, X; Zhu, JX; Urbano, RR; Curro, N; Bauer, ED; et al.(2014). Disorder in quantum critical superconductors. Nature Physics, 10(2), 120-125. doi: 10.1038/nphys2820. UC Irvine: Retrieved from: http://www.escholarship.org/uc/item/3qt9r64w
In four classes of materials - the layered copper oxides, organics, iron pnictides and heavy-fermion compounds - an unconventional superconducting state emerges as a magnetic transition is tuned towards absolute zero temperature, that is, towards a m
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2
Pressure effects on the heavy-fermion antiferromagnet CeAuSb2
Autor: Seo, S, Sidorov, VA, Lee, H, Jang, D, Fisk, Z, Thompson, JD, Park, T
Publikováno v: Seo, S; Sidorov, VA; Lee, H; Jang, D; Fisk, Z; Thompson, JD; et al.(2012). Pressure effects on the heavy-fermion antiferromagnet CeAuSb2. Physical Review B-Condensed Matter and Materials Physics, 85(20). doi: 10.1103/PhysRevB.85.205145. UC Irvine: Retrieved from: http://www.escholarship.org/uc/item/76934782
The f-electron compound CeAuSb2, which crystallizes in the ZrCuSi2-type tetragonal structure, orders antiferromagnetically between 5 and 6.8 K, where the antiferromagnetic transition temperature T_N depends on the occupancy of the Au site. Here we re
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http://arxiv.org/abs/1203.5164
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3
Quenching of ferromagnetism in β-UB2C and UNiSi2 at high pressure
Autor: Sidorov, VA, Tobash, PH, Wang, C, Scott, BL, Park, T, Bauer, ED, Ronning, F, Thompson, JD, Fisk, Z
Publikováno v: Sidorov, VA; Tobash, PH; Wang, C; Scott, BL; Park, T; Bauer, ED; et al.(2011). Quenching of ferromagnetism in β-UB2C and UNiSi2 at high pressure. Journal of Physics: Conference Series, 273(1). doi: 10.1088/1742-6596/273/1/012014. UC Irvine: Retrieved from: http://www.escholarship.org/uc/item/7jj7g92w
β-UB2C exhibits itinerant ferromagnetism below T c 75 K; whereas, UNiSi2 exhibits ferromagnetism of localized uranium moments below Tc 95 K and Kondo lattice behaviour at higher temperatures. We have found that ferromagnetism in both compounds is qu
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4
Magnetic transitions in a heavy-fermion antiferromagnet U 2Zn17 at high pressure
Autor: Sidorov, VA, Thompson, JD, Fisk, Z
Publikováno v: Sidorov, VA; Thompson, JD; & Fisk, Z. (2010). Magnetic transitions in a heavy-fermion antiferromagnet U 2Zn17 at high pressure. Journal of Physics Condensed Matter, 22(40). doi: 10.1088/0953-8984/22/40/406002. UC Irvine: Retrieved from: http://www.escholarship.org/uc/item/30q240q6
Pressure-dependent electrical resistivity and ac-calorimetry measurements on single crystals of the heavy-fermion antiferromagnet U2Zn17 at pressures to 5.5 GPa reveal that the low temperature magnetic order changes above ∼3 GPa. The Neel temperatu
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5
Localized states within the gap of Ce3 Au3 Sb4
Autor: Lee, HO, Sidorov, VA, Schlottmann, P, Condron, C, Klavins, P, Kauzlarich, SM, Thompson, JD, Fisk, Z
Publikováno v: Lee, HO; Sidorov, VA; Schlottmann, P; Condron, C; Klavins, P; Kauzlarich, SM; et al.(2008). Localized states within the gap of Ce3 Au3 Sb4. Physica B: Condensed Matter, 403(5-9), 1476-1478. doi: 10.1016/j.physb.2007.10.309. UC Irvine: Retrieved from: http://www.escholarship.org/uc/item/2c74k95n
The temperature dependence of the specific heat and of the resistivity under pressure has been measured for single crystals of the semiconductor Ce3 Au3 Sb4. The transport data follow an exponential activation and variable range hopping at low T, con
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6
Unique f -level resonant state within the gap in Ce3 Au3 Sb4 single crystals: Magnetic, thermal, and transport properties
Autor: Lee, HO, Jo, YJ, Balicas, L, Schlottmann, P, Condron, CL, Sidorov, VA, Klavins, P, Kauzlarich, SM, Thompson, JD, Fisk, Z
Publikováno v: Lee, HO; Jo, YJ; Balicas, L; Schlottmann, P; Condron, CL; Sidorov, VA; et al.(2007). Unique f-level resonant state within the gap in Ce3 Au3 Sb4 single crystals: Magnetic, thermal, and transport properties. Physical Review B-Condensed Matter and Materials Physics, 76(15). doi: 10.1103/PhysRevB.76.155204. UC Irvine: Retrieved from: http://www.escholarship.org/uc/item/9gv0w86n
The magnetic, thermal, and transport properties of single crystals of the narrow gap semiconductor Ce3 Au3 Sb4 have been studied. Transport data are consistent with an exponential activation and variable range hopping at low temperatures, which is ch
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7
Pressure-tuned first-order phase transition and accompanying resistivity anomaly in Ce Zn1-δ Sb2
Autor: Park, T, Sidorov, VA, Lee, H, Fisk, Z, Thompson, JD
Publikováno v: Park, T; Sidorov, VA; Lee, H; Fisk, Z; & Thompson, JD. (2005). Pressure-tuned first-order phase transition and accompanying resistivity anomaly in Ce Zn1-δ Sb2. Physical Review B-Condensed Matter and Materials Physics, 72(6). doi: 10.1103/PhysRevB.72.060410. UC Irvine: Retrieved from: http://www.escholarship.org/uc/item/2dp2213p
The Kondo lattice system Ce Zn0.66 Sb2 is studied by electrical resistivity and ac magnetic susceptibility measurements at several pressures. At P=0 kbar, ferromagnetic and antiferromagnetic transitions appear at 3.6 and 0.8 K, respectively. The elec
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8
Complex magnetic phase diagram of ferromagnetic CeNiSb 3
Autor: Sidorov, VA, Bauer, ED, Lee, H, Nakatsuji, S, Thompson, JD, Fisk, Z
Publikováno v: Sidorov, VA; Bauer, ED; Lee, H; Nakatsuji, S; Thompson, JD; & Fisk, Z. (2005). Complex magnetic phase diagram of ferromagnetic CeNiSb 3. Physical Review B-Condensed Matter and Materials Physics, 71(9). doi: 10.1103/PhysRevB.71.094422. UC Irvine: Retrieved from: http://www.escholarship.org/uc/item/5rf4d58z
Measurements of electrical resistivity at applied pressures up to 55 kbar have been carried out on single crystals of the ferromagnet CeNiSb 3 revealing a complex magnetic phase diagram. The ferromagnetism at ambient pressure at T c=6 K first increas
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9
Magnetic phase diagram of the ferromagnetic Kondo-lattice compound CeAgSb2up to 80 kbar
Autor: Sidorov, VA, Bauer, ED, Frederick, NA, Jeffries, JR, Nakatsuji, S, Moreno, NO, Thompson, JD, Maple, MB, Fisk, Z
Publikováno v: Sidorov, VA; Bauer, ED; Frederick, NA; Jeffries, JR; Nakatsuji, S; Moreno, NO; et al.(2003). Magnetic phase diagram of the ferromagnetic Kondo-lattice compound CeAgSb2up to 80 kbar. Physical Review B-Condensed Matter and Materials Physics, 67(22), 2244191-2244199. doi: 10.1103/PhysRevB.67.224419. UC Irvine: Retrieved from: http://www.escholarship.org/uc/item/7887c8h1
Electrical resistivity and ac-calorimetric measurements reveal a complex magnetic phase diagram for single crystals of the ferromagnetic Kondo-lattice compound CeAgSb2at high pressures up to 80 kbar. The ferromagnetic order at TC= 9.6 K at ambient pr
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10
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