Crystals of Hg superconductors

Karpiński, J.; Schwer, H.; Mangelschots, I.; Conder, K.; Morawski, A.; Łada, T.; Paszewin, A.

doi:10.1038/371661a0

Cited by 30 publications

(23 citation statements)

References 4 publications

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“…8,9 With this technique, it must be also emphasized that a glove box and high pressures are not required, and this considerably simplifies the preparation in comparison with other processes. 10,11 Electrical contacts were made to crystals with typical dimensions of 1ϫ1ϫ0.1 mm 3 in the direct ''cross'' configuration, shown in the inset of Fig. 1.…”

Section: Methodsmentioning

confidence: 99%

c-axis resistivity of Hg-1201 single crystals

Villard¹,

Daignere²,

Maignan³

et al. 1998

Journal of Applied Physics

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Section: Methodsmentioning

confidence: 99%

c-axis resistivity of Hg-1201 single crystals

Villard¹,

Daignere²,

Maignan³

et al. 1998

Journal of Applied Physics

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“…In our laboratory, several important high T c superconductors have been synthesized under high pressure as single crystals or as polycrystalline samples. This includes YBa 2 Cu 4 O 8 (Y124) [1] and Y 2 Ba 4 Cu 7 O 15Àx (Y247) [2,3], HgBa 2 Ca nÀ1 Cu n O 2nþ2þ (Hg12(n À 1)n) [4], MgB 2 [5], and recently discovered REFeAsO (RE1111; RE ¼ La, Pr, Nd, Sm, Gd) [6,7] superconductors. Many laboratories used the high-pressure techniques for the synthesis of RE1111 compounds [8][9][10][11][12][13][14][15].…”

Section: Introductionmentioning

confidence: 98%

“…The crystals grew from partially molten pellets. As the result, crystals of Hg12(n À 1)n phases for n ¼ 1-7 have been obtained [3,4].…”

mentioning

confidence: 97%

High pressure in the synthesis and crystal growth of superconductors and III–N semiconductors

Karpiński

2012

Philosophical Magazine

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Several high-pressure techniques applied for the synthesis and crystal growth of materials important for the future and present applications are presented. For the synthesis and thermodynamic studies of novel superconductors and III-N wide-gap semiconductors three different highpressure techniques have been used: (i) the anvil system with solid pressure medium, (ii) the nitrogen/argon gas pressure system, and (iii) the oxygen gas pressure system.

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“…Commonly encountered structures in the CaO-CuO system are the well-known corner-sharing chain compound Ca 2 CuO 3 [2], the ladder compound CaCu 2 O 3 [3], the infinite layer compound CaCuO 2 [4] and the edge-sharing chain structure compound Ca 1−x CuO 2 (0.80 ≤ x ≤ 0.85) [5,6]. Their simple compositions and structural features allow the development of theories that may be used to investigate the superexchange interaction J of Cu-O by considering different types of bonding and different angle geometries.…”

Section: Introductionmentioning

confidence: 99%