FEATURES OF THE CURRENT-VOLTAGE CHARACTERISTICS OF LAYERED HIGH-TEMPERATURE SUPERCONDUCTORS
- Autores: Charikova T.B.1, Shelushinina N.G.1, Neverov V.N.1, Popov M.R.1, Ivanov A.A.2
- 
							Afiliações: 
							- Institute of Metal Physics, Ural Branch of the Russian Academy of Sciences
- National Research Nuclear University MEPhI
 
- Edição: Volume 126, Nº 7 (2025)
- Páginas: 767-771
- Seção: ЭЛЕКТРИЧЕСКИЕ И МАГНИТНЫЕ СВОЙСТВА
- URL: https://journals.rcsi.science/0015-3230/article/view/293987
- DOI: https://doi.org/10.31857/S0015323025070036
- ID: 293987
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Resumo
The paper presents the results of measurements of the current-voltage characteristics (IVC’s) in the electron-doped layered superconductor Nd2–xCexCuO4 and the results of the scaling analysis of the U(I) dependence for a large set of layered HTSC’s. It is shown that the IVC’s of hole-doped compounds indicate a monotonic behavior of the d-wave symmetry order parameter, while the IVC’s of electron-doped compounds Nd2–xCexCuO4 with x = 0.15 and Sm2–xCexCuO4 exhibit a non-monotonic nature of the d-wave symmetry order parameter associated with the coexistence of superconductivity and fluctuations of antiferromagnetic spin excitations.
Sobre autores
Tatiana Charikova
Institute of Metal Physics, Ural Branch of the Russian Academy of Sciences
														Email: charikova@imp.uran.ru
				                					                																			                												                	Rússia, 							Ekaterinburg, 620108 Russia						
Nina Shelushinina
Institute of Metal Physics, Ural Branch of the Russian Academy of Sciences
														Email: shel@imp.uran.ru
				                					                																			                												                	Rússia, 							Ekaterinburg, 620108 Russia						
Vladimir Neverov
Institute of Metal Physics, Ural Branch of the Russian Academy of Sciences
														Email: neverov@imp.uran.ru
				                					                																			                												                	Rússia, 							Ekaterinburg, 620108 Russia						
Mikhail Popov
Institute of Metal Physics, Ural Branch of the Russian Academy of Sciences
							Autor responsável pela correspondência
							Email: popov_mr@imp.uran.ru
				                					                																			                								
кандидат физико-математических наук, старший научный сотрудник лаборатории полупроводников и полуметаллов
Rússia, Ekaterinburg, 620108 RussiaAndrei Ivanov
National Research Nuclear University MEPhI
														Email: aaivanov@mephi.ru
				                					                																			                												                	Rússia, 							Moscow, 115409 Russia						
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