CERN Accelerating science

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1.
Local probing of Hg neighboorhood in HgBa$_{2}$CuO$_{4+\delta}$ / IS360 Collaboration
Electric field gradients (EFG) on mercury sites of the Hg1201 high-TC superconductors were measured with the perturbed angular correlation (PAC) technique. In Hg1201 samples where PAC detects higher oxygen content the EFGs have decreased to lower values indicating an elongation of the Hg-apical oxygen dumb-bell. [...]
CERN-OPEN-2001-017.- Geneva : CERN, 2000 - 4 p. - Published in : Physica C 341-348 (2000) 1969-1972 Access to fulltext document: PDF; - CERN library copies
2.
Local O$_{\delta}$ probing in the high-$T_{C}$ superconductor HgBa$_{2}$CuO$_{4+\delta}$ / ISOLDE Collaboration
Electric-field gradients on mercury sites of the HgBa$_{2}$CuO$_{4+\delta}$ high-$T_{C}$ superconductor were measured with the perturbed angular correlation technique and interpreted with $\textit{ab initio}$ calculations. Under oxygen annealing, an asymmetric electric-field gradient has been assigned to the presence of single oxygen atoms, O$_{\delta}$ , which are located in the Hg planes. [...]
CERN-OPEN-2001-013.- Geneva : CERN, 2000 - 7 p. - Published in : Phys. Rev. B 61 (2000) 11769-11775 APS Published version, local copy: PDF; Access to fulltext document: PDF; - CERN library copies
3.
Studies of high-$T_{c}$ superconductors doped with radioactive isotopes / Aveiro-Berlin-Grenoble-Jerusalem-Leipzig-Leuven-Lisbon-Moscow-Paris-Oporto-Princeton-Sacavém-Stuttgart-ISOLDE Collaboration
CERN-INTC-2000-039 ; INTC-P-86-add-1.
- 2000. - 15 p.
Full text - Access to fulltext document - CERN library copies
4.
Surface quality studies of high T$_{c}$ superconductors of the Hg , Tl and Hg$_{x}$Tl$_{1-x}$-families : RBS and resonant C and O backscattering studies / Vantomme, A ; Alves, E ; Correia, J G ; Bryntse, I ; Johansson, L G ; Loureiro, S M ; Le Floc'h, S ; Toulemonde, T ; Bordet, P ; Bougerol-Chaillout, C
The composition, crystallinity, uniformity, purity, and thermal stability of cuprate superconductors have been studied by Rutherford backscattering and channeling spectrometry, and 3.045 MeV He$^{+}$ oxygen non-Rutherford resonant scattering. Further experiments have been performed with 1.75 MeV H$^{+}$carbon non-Rutherford resonant scattering. [...]
CERN-OPEN-2002-063.- Geneva : CERN, 2002 - 6 p. - Published in : Nucl. Instrum. Methods Phys. Res., B 190 (2002) 673-678 Preprint: PDF; - CERN library copies
5.
Oxygen ordering in the high-T$_c$ superconductor HgBa$_2$CaCu$_2$O$_{6+\delta}$ as revealed by perturbed angular correlation / Mendonca, Tania Melo (Neel Lab, Grenoble ; Porto U.) ; Correia, Joao Guilherme (ITN, Sacavem ; Lisbon U., CFNUL) ; Haas, Heinz (ITN, Sacavem) ; Odier, Philippe (Neel Lab, Grenoble) ; Tavares, Pedro (UTAD, Vila Real) ; Silva, Manuel Ribeiro (Lisbon U., CFNUL) ; Lopes, Armandina (Lisbon U., CFNUL) ; Pereira, Andre (Porto U.) ; Goncalves, Joao Nuno (U. Aveiro) ; Amaral, Joao (U. Aveiro) et al.
Lattice sites and collective ordering of oxygen atoms in HgBa$_2$CaCu$_2$O$_{6+\delta}$ were studied using the perturbed angular correlation (PAC) technique at ISOLDE/CERN. The electric field gradients (EFG) at $^{199m}$Hg nuclei have been measured as functions of oxygen doping on the Hg planes, above and below T$_c$. [...]
CERN-OPEN-2014-022.- Geneva : CERN, 2011 - 10 p. - Published in : Phys. Rev. B 84 (2011) 094524 Preprint: PDF;
6.
Magnetic hyperfine field at Cr site in AgCrO$_2$ given by perturbed angular correlations / Oliveira, Gonçalo Nuno (Porto U.) ; Lopes, Armandina Lima (Lisbon U., CFNUL) ; Mendonca, Tania Manuela (Porto U.) ; Araújo, João Pedro (Porto U.) ; Moreira, Joaquim Agostinho (Porto U.) ; Almeida, Abílio (Porto U.) ; Amaral, Vitor Sequeira (Aveiro U.) ; Correia, João guilherme (IST/ITN, Lisbon)
This work presents an electric field gradient and magnetic hyperfine field study, in the AgCrO$_2$ multiferroic with triangular spin lattice. The temperature dependence of the electric field gradient (EFG) and magnetic hyperfine field (MHF) at Cr site was studied at ISOLDE via perturbed angular correlation measurements with the $^{111}$In probe, at room temperature and below the Neel temperature (T=21 K) down to presence of two distinct local environments. [...]
CERN-OPEN-2014-012.- Porto : U., 2010 - 5 p. - Published in : Hyperfine Interact. 197 (2010) 123-128 Preprint: PDF;
In : 3rd Joint International Conference on Hyperfine Interactions and International Symposium on Nuclear Quadrupole Interactions, CERN, Geneva, Switzerland, 12 - 17 Sep 2010, pp.123-128
7.
Hexadecapole nuclear potential for non-axial shapes / Rohozinski, S G ; Sobiczewski, A
IBJ-80-7-8 ; IBJ-80-7-8-P.
- 1980. - 10 p.
CERN library copies
8.
Effect of fluorination on the structure and superconducting properties of the Hg-1201 phase / Abakumov, A M ; Aksenov, V L ; Alyoshin, V A ; Antipov, E V ; Balagurov, A M ; Mikhailova, D A ; Putilin, S N ; Rozova, M G
JINR-E14-97-234.
- 1997. - 18 p.
Access to fulltext document - Access to fulltext document
9.
Locally probing adatoms on graphene using perturbed angular correlation spectroscopy / Da Silva Fenta, Abel Eduardo
The interest in understanding the interaction between graphene and atoms and molecules that are adsorbed on its surface (adatoms and admolecules) spans a wide range of research fields and applications, for example, to controllably change the properties of graphene in electronic devices or to detect [...]
CERN-THESIS-2018-464 - 164 p.

Full text
10.
Properties of the low-lying negative parity states in $^{45}Sc$ / Chevallier, J ; Haas, B ; Schulz, N ; Toulemonde, M
CRN-PN-75-50.
- 1975. - 26 p.

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