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Cu(2) nuclear resonance evidence for an original magnetic phase in aged 60K-superconductors RBa2Cu3O6+x (R=Tm,Y)

Autor: Dooglav, A. V., Alloul, H., Bakharev, O. N., Berthier, C., Egorov, A. V., Horvatic, M., Krjukov, E. V., Mendels, P., Sakhratov, Yu. A., Teplov, M. A.

It is widely believed that the long-range antiferromagnetic order in the RBa2Cu3O6+x compounds (R=Y and rare earths except of Ce, Pr, Tb) is totally suppressed for the oxygen index x>0.4 (AFM insulator-metal transition). We present the results of the

Externí odkaz: http://arxiv.org/abs/cond-mat/9712035

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Stripe motion in CuO{2} planes of Y{1-x}Pr{x}Ba{2}Cu{3}O{7} as seen from the Cu(2) NQR

Autor: Teplov, M. A., Sakhratov, Yu. A., Dooglav, A. V., Egorov, A. V., Krjukov, E. V., Zaitsev, O. P.

Pulsed NQR at the frequencies of 28-33 MHz has been used to study copper NQR spectra in YBa{2}Cu{3}O{7}, TmBa{2}Cu{3}O{7} and Y{0.9}Pr{0.1}Ba{2}Cu{3}O{7} compounds at temperatures of 4.2-200K. Quantitative analysis of the spectra has shown that the "

Externí odkaz: http://arxiv.org/abs/cond-mat/9705061

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Akademický článek

Electronic phase separation in TmBa2Cu4O8.

Autor: Teplov, M. A., Kryukov, E. V., Duglav, A. V., Egorov, A. V., Mori, K.

Publikováno v: JETP Letters. 2/10/96, Vol. 63 Issue 3, p227. 7p.

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Akademický článek

Stripe motion in CuO[sub 2] planes of Y[sub 1-x]Pr[sub x]Ba[sub 2]Cu[sub 3]O[sub 7] as observed from the Cu(2) quadrupole resonance.

Autor: Teplov, M. A., Sakhratov, Yu. A., Dooglav, A. V., Egorov, A. V., Krjukov, E. V., Zaitsev, O. P.

Publikováno v: JETP Letters. 5/25/97, Vol. 65 Issue 10, p821. 7p.

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Inhomogeneity of charge and spin distribution in CuO2 layers of high-Tx superconductors: NQR/NMR studies of 1-2-3 compounds

Autor: Teplov M., Bakharev O., Dooglav A., Egorov A., Mukhamedshin I., De Gronckel H., Alloul H., Mendels P., Eremina R.

Publikováno v: SCOPUS15571939-1999-12-1-SID0033076654

The copper NQR and ZFNMR and thulium NMR are studied in a series of 123 superconductors. It is found that in the aged 60-K superconductors RBa2Cu3O6+x the well known conducting (nonmagnetic) phase co-exists with the magnetically-ordered phase. Both m

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::1536a7f2a822fa92dafd47af3eddbf3e
https://openrepository.ru/article?id=209312

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Cu(2) nuclear resonance evidence for a magnetic phase in aged 60-K superconductors RBa2Cu3O6+x (R = Tm, Y)

Autor: Dooglav A., Alloul H., Bakharev O., Berthier C., Egorov A., Horvatic M., Krjukov E., Mendels P., Sakhratov Y., Teplov M.

Publikováno v: SCOPUS01631829-1998-57-18-SID0010913114

It is widely believed that the long-range antiferromagnetic order in the RBa2Cu3O6+x compounds (R = Y and rare earths except for Ce, Pr, Tb) is totally suppressed for the oxygen index x ≥ 0.4 (antiferromagnetic insulator-metal transition). We prese

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::6c6934a15b663ac7b26f34f1eedc119c
https://openrepository.ru/article?id=674181

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Shape of the Cu(2) NQR spectra in YBa2Cu3O7, TmBa2Cu3O7 and TmBa2Cu4O8

Autor: Dooglav A., Egorov A., Krjukov E., Sakhratov Y., Teplov M., Xu Y.

Publikováno v: SCOPUS00213640-1997-66-9-SID20444385505

We present a study of shape of the Cu(2) NQR spectra in YBa2Cu3O7, TmBa2Cu3O7, and TmBa2Cu4O8 compounds at temperatures of 4.2-300 K. The results of the quantitative analysis lead us to conclude that the shape of the Cu(2) NQR spectra in all the samp

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::5c5bc19ae8efc605061db52214278689
https://openrepository.ru/article?id=199446

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Intrinsic magnetic centers and microdomains in oxygen-deficient YBa2Cu3O6.5 and TmBa2Cu3O6+x

Autor: Bakharev O., Aminov L., Dooglav A., Egorov A., Krjukov E., Mukhamedshin I., Naletov V., Teplov M., Volodin A., Witteveen J., Brom H., Alloul H.

Publikováno v: SCOPUS01631829-1997-55-17-SID0342263224

We measured the influence of magnetic centers (MC's) on the nuclear relaxation in 123 compounds using 169Tm NMR and 63Cu NQR in TmBa2Cu3O6+x (x = 0, 0.2, 0.3, 0.4, 0.5, 0.6), and 89Y NMR and 63Cu NQR in YBa2Cu3O65. Particular attention is paid to the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::6e5ec0f7b71de75db1514b70c7d7f0c7
https://dspace.kpfu.ru/xmlui/handle/net/135272

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Stripe motion in CuO2 planes of Y1-xPrxBa2Cu3O7 as observed from the Cu(2) quadrupole resonance

Autor: Teplov M., Sakhratov Y., Dooglav A., Egorov A., Krjukov E., Zaitsev O.

Publikováno v: SCOPUS00213640-1997-65-10-SID2542616676

The NQR spectra of copper in the compounds YBa2Cu3O7, TmBa2Cu3O7, and Y0.9Pr0.1Ba2Cu3O7 at temperatures of 4.2-200 K are investigated by a pulsed NQR technique at frequencies of 28-33 MHz. Quantitative analysis of the spectra shows that the shape of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::13934c61e1ef3b69ccd9ae7e8760e4cd
https://openrepository.ru/article?id=709170

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Comparative studies of the NMR of thulium in Tm123 and Tm124 compounds: Evidence for structural and electronic phase separation

Autor: Bakharev O., Dooglav A., Egorov A., Krjukov E., Sakhratov Y., Teplov M., Brom H., Witteveen J.

Publikováno v: SCOPUS00213640-1996-64-5-SID0542441667

The nuclear magnetic relaxation of 169Tm in TmBa2Cu3O6+x (x =0.1-1.0, Δx=0.1) and TmBa2Cu4O8 is studied at temperatures below 5 K. In all the samples, the Tm spin-lattice relaxation proceeds via intrinsic paramagnetic centers (PCs) like Cu2+ or copp

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::55ef03502859a7bc5e83cb2fde5c6934
https://openrepository.ru/article?id=199440

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