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- [21] Electronic Phase Separation in the Slightly Underdoped Iron Pnictide Superconductor Ba1-xKxFe2As2PHYSICAL REVIEW LETTERS, 2009, 102 (11)Park, J. T.论文数: 0 引用数: 0 h-index: 0机构: Max Planck Inst Festkorperforsch, D-70569 Stuttgart, Germany Max Planck Inst Festkorperforsch, D-70569 Stuttgart, GermanyInosov, D. S.论文数: 0 引用数: 0 h-index: 0机构: Max Planck Inst Festkorperforsch, D-70569 Stuttgart, Germany Max Planck Inst Festkorperforsch, D-70569 Stuttgart, GermanyNiedermayer, Ch.论文数: 0 引用数: 0 h-index: 0机构: ETHZ, Neutron Scattering Lab, CH-5232 Villigen, Switzerland Paul Scherrer Inst, CH-5232 Villigen, Switzerland Max Planck Inst Festkorperforsch, D-70569 Stuttgart, GermanySun, G. L.论文数: 0 引用数: 0 h-index: 0机构: Max Planck Inst Festkorperforsch, D-70569 Stuttgart, Germany Max Planck Inst Festkorperforsch, D-70569 Stuttgart, GermanyHaug, D.论文数: 0 引用数: 0 h-index: 0机构: Max Planck Inst Festkorperforsch, D-70569 Stuttgart, Germany Max Planck Inst Festkorperforsch, D-70569 Stuttgart, Germany论文数: 引用数: h-index:机构:Dinnebier, R.论文数: 0 引用数: 0 h-index: 0机构: Max Planck Inst Festkorperforsch, D-70569 Stuttgart, Germany Max Planck Inst Festkorperforsch, D-70569 Stuttgart, GermanyBoris, A. V.论文数: 0 引用数: 0 h-index: 0机构: Max Planck Inst Festkorperforsch, D-70569 Stuttgart, Germany Max Planck Inst Festkorperforsch, D-70569 Stuttgart, GermanyDrew, A. J.论文数: 0 引用数: 0 h-index: 0机构: Univ Fribourg, Dept Phys, CH-1700 Fribourg, Switzerland Univ London, Dept Phys, London E1 4NS, England Univ Fribourg, Fribourg Ctr Nanomat, CH-1700 Fribourg, Switzerland Max Planck Inst Festkorperforsch, D-70569 Stuttgart, GermanySchulz, L.论文数: 0 引用数: 0 h-index: 0机构: Univ Fribourg, Dept Phys, CH-1700 Fribourg, Switzerland Univ Fribourg, Fribourg Ctr Nanomat, CH-1700 Fribourg, Switzerland Max Planck Inst Festkorperforsch, D-70569 Stuttgart, GermanyShapoval, T.论文数: 0 引用数: 0 h-index: 0机构: Inst Metall Mat, IFW Dresden, D-01171 Dresden, Germany Max Planck Inst Festkorperforsch, D-70569 Stuttgart, GermanyWolff, U.论文数: 0 引用数: 0 h-index: 0机构: Inst Metall Mat, IFW Dresden, D-01171 Dresden, Germany Max Planck Inst Festkorperforsch, D-70569 Stuttgart, GermanyNeu, V.论文数: 0 引用数: 0 h-index: 0机构: Inst Metall Mat, IFW Dresden, D-01171 Dresden, Germany Max Planck Inst Festkorperforsch, D-70569 Stuttgart, GermanyYang, Xiaoping论文数: 0 引用数: 0 h-index: 0机构: Max Planck Inst Festkorperforsch, D-70569 Stuttgart, Germany Max Planck Inst Festkorperforsch, D-70569 Stuttgart, GermanyLin, C. T.论文数: 0 引用数: 0 h-index: 0机构: Max Planck Inst Festkorperforsch, D-70569 Stuttgart, Germany Max Planck Inst Festkorperforsch, D-70569 Stuttgart, GermanyKeimer, B.论文数: 0 引用数: 0 h-index: 0机构: Max Planck Inst Festkorperforsch, D-70569 Stuttgart, Germany Max Planck Inst Festkorperforsch, D-70569 Stuttgart, GermanyHinkov, V.论文数: 0 引用数: 0 h-index: 0机构: Max Planck Inst Festkorperforsch, D-70569 Stuttgart, Germany Max Planck Inst Festkorperforsch, D-70569 Stuttgart, Germany
- [22] Zintl phase as dopant source in the flux synthesis of Ba1-xKxFe2As2 type superconductorsCHEMICAL COMMUNICATIONS, 2009, (33) : 4965 - 4967Mathieu, Josiah L.论文数: 0 引用数: 0 h-index: 0机构: Florida State Univ, Dept Chem & Biochem, Tallahassee, FL 32306 USA Florida State Univ, Dept Chem & Biochem, Tallahassee, FL 32306 USALatturner, Susan E.论文数: 0 引用数: 0 h-index: 0机构: Florida State Univ, Dept Chem & Biochem, Tallahassee, FL 32306 USA Florida State Univ, Dept Chem & Biochem, Tallahassee, FL 32306 USA
- [23] Microwave conductivity in the ferropnictides with specific application to Ba1-xKxFe2As2PHYSICAL REVIEW B, 2009, 80 (17)Schachinger, E.论文数: 0 引用数: 0 h-index: 0机构: Graz Univ Technol, Inst Theoret & Computat Phys, A-8010 Graz, Austria Graz Univ Technol, Inst Theoret & Computat Phys, A-8010 Graz, AustriaCarbotte, J. P.论文数: 0 引用数: 0 h-index: 0机构: McMaster Univ, Dept Phys & Astron, Hamilton, ON N1G 2W1, Canada Canadian Inst Adv Res, Toronto, ON M5G 1Z8, Canada Graz Univ Technol, Inst Theoret & Computat Phys, A-8010 Graz, Austria
- [24] Normal State Resistivity of Ba1-xKxFe2As2: Evidence for Multiband Strong-Coupling BehaviorJETP LETTERS, 2011, 94 (04) : 333 - 337Golubov, A. A.论文数: 0 引用数: 0 h-index: 0机构: Univ Twente, Fac Sci & Technol, NL-7500 AE Enschede, Netherlands Univ Twente, MESA Inst Nanotechnol, NL-7500 AE Enschede, Netherlands Univ Twente, Fac Sci & Technol, NL-7500 AE Enschede, NetherlandsDolgov, O. V.论文数: 0 引用数: 0 h-index: 0机构: Max Planck Inst Festkorperforsch, D-70569 Stuttgart, Germany Univ Twente, Fac Sci & Technol, NL-7500 AE Enschede, NetherlandsBoris, A. V.论文数: 0 引用数: 0 h-index: 0机构: Max Planck Inst Festkorperforsch, D-70569 Stuttgart, Germany Univ Twente, Fac Sci & Technol, NL-7500 AE Enschede, NetherlandsCharnukha, A.论文数: 0 引用数: 0 h-index: 0机构: Max Planck Inst Festkorperforsch, D-70569 Stuttgart, Germany Univ Twente, Fac Sci & Technol, NL-7500 AE Enschede, NetherlandsSun, D. L.论文数: 0 引用数: 0 h-index: 0机构: Max Planck Inst Festkorperforsch, D-70569 Stuttgart, Germany Univ Twente, Fac Sci & Technol, NL-7500 AE Enschede, NetherlandsLin, C. T.论文数: 0 引用数: 0 h-index: 0机构: Max Planck Inst Festkorperforsch, D-70569 Stuttgart, Germany Univ Twente, Fac Sci & Technol, NL-7500 AE Enschede, NetherlandsShevchun, A. F.论文数: 0 引用数: 0 h-index: 0机构: Russian Acad Sci, Inst Solid State Phys, Chernogolovka 142432, Moscow Region, Russia Univ Twente, Fac Sci & Technol, NL-7500 AE Enschede, NetherlandsKorobenko, A. V.论文数: 0 引用数: 0 h-index: 0机构: Russian Acad Sci, Inst Solid State Phys, Chernogolovka 142432, Moscow Region, Russia Moscow Inst Phys & Technol, Dolgoprudnyi, Moscow Region, Russia Univ Twente, Fac Sci & Technol, NL-7500 AE Enschede, NetherlandsTrunin, M. R.论文数: 0 引用数: 0 h-index: 0机构: Russian Acad Sci, Inst Solid State Phys, Chernogolovka 142432, Moscow Region, Russia Moscow Inst Phys & Technol, Dolgoprudnyi, Moscow Region, Russia Univ Twente, Fac Sci & Technol, NL-7500 AE Enschede, NetherlandsZverev, V. N.论文数: 0 引用数: 0 h-index: 0机构: Russian Acad Sci, Inst Solid State Phys, Chernogolovka 142432, Moscow Region, Russia Moscow Inst Phys & Technol, Dolgoprudnyi, Moscow Region, Russia Univ Twente, Fac Sci & Technol, NL-7500 AE Enschede, Netherlands
- [25] Lifshitz Transition and Chemical Instabilities in Ba1-xKxFe2As2 SuperconductorsPHYSICAL REVIEW LETTERS, 2014, 112 (15)Khan, Suffian N.论文数: 0 引用数: 0 h-index: 0机构: Univ Illinois, Dept Phys, Urbana, IL 61801 USA US DOE, Ames Lab, Ames, IA 50011 USA Univ Illinois, Dept Phys, Urbana, IL 61801 USAJohnson, Duane D.论文数: 0 引用数: 0 h-index: 0机构: Univ Illinois, Dept Phys, Urbana, IL 61801 USA US DOE, Ames Lab, Ames, IA 50011 USA Iowa State Univ, Dept Mat Sci & Engn, Ames, IA 50011 USA Univ Illinois, Dept Phys, Urbana, IL 61801 USA
- [26] Thermodynamic properties of Ba1-xKxFe2As2 and Ca1-xNaxFe2As2NEW JOURNAL OF PHYSICS, 2008, 10Dong, J. K.论文数: 0 引用数: 0 h-index: 0机构: Fudan Univ, Surface Phys Lab, Natl Key Lab, Shanghai 200433, Peoples R China Fudan Univ, Adv Mat Lab, Dept Phys, Shanghai 200433, Peoples R China Fudan Univ, Surface Phys Lab, Natl Key Lab, Shanghai 200433, Peoples R ChinaDing, L.论文数: 0 引用数: 0 h-index: 0机构: Fudan Univ, Surface Phys Lab, Natl Key Lab, Shanghai 200433, Peoples R China Fudan Univ, Adv Mat Lab, Dept Phys, Shanghai 200433, Peoples R China Fudan Univ, Surface Phys Lab, Natl Key Lab, Shanghai 200433, Peoples R ChinaWang, H.论文数: 0 引用数: 0 h-index: 0机构: Fudan Univ, Surface Phys Lab, Natl Key Lab, Shanghai 200433, Peoples R China Fudan Univ, Adv Mat Lab, Dept Phys, Shanghai 200433, Peoples R China Fudan Univ, Surface Phys Lab, Natl Key Lab, Shanghai 200433, Peoples R ChinaWang, X. F.论文数: 0 引用数: 0 h-index: 0机构: Univ Sci & Technol China, Hefei Natl Lab Phys Sci Microscale, Hefei 230026, Anhui, Peoples R China Univ Sci & Technol China, Dept Phys, Hefei 230026, Anhui, Peoples R China Fudan Univ, Surface Phys Lab, Natl Key Lab, Shanghai 200433, Peoples R ChinaWu, T.论文数: 0 引用数: 0 h-index: 0机构: Univ Sci & Technol China, Hefei Natl Lab Phys Sci Microscale, Hefei 230026, Anhui, Peoples R China Univ Sci & Technol China, Dept Phys, Hefei 230026, Anhui, Peoples R China Fudan Univ, Surface Phys Lab, Natl Key Lab, Shanghai 200433, Peoples R ChinaWu, G.论文数: 0 引用数: 0 h-index: 0机构: Univ Sci & Technol China, Hefei Natl Lab Phys Sci Microscale, Hefei 230026, Anhui, Peoples R China Univ Sci & Technol China, Dept Phys, Hefei 230026, Anhui, Peoples R China Fudan Univ, Surface Phys Lab, Natl Key Lab, Shanghai 200433, Peoples R ChinaChen, X. H.论文数: 0 引用数: 0 h-index: 0机构: Univ Sci & Technol China, Hefei Natl Lab Phys Sci Microscale, Hefei 230026, Anhui, Peoples R China Univ Sci & Technol China, Dept Phys, Hefei 230026, Anhui, Peoples R China Fudan Univ, Surface Phys Lab, Natl Key Lab, Shanghai 200433, Peoples R ChinaLi, S. Y.论文数: 0 引用数: 0 h-index: 0机构: Fudan Univ, Surface Phys Lab, Natl Key Lab, Shanghai 200433, Peoples R China Fudan Univ, Adv Mat Lab, Dept Phys, Shanghai 200433, Peoples R China Fudan Univ, Surface Phys Lab, Natl Key Lab, Shanghai 200433, Peoples R China
- [27] Calorimetric evidence for two phase transitions in Ba1-xKxFe2As2 with fermion pairing and quadrupling statesNATURE COMMUNICATIONS, 2023, 14 (01)论文数: 引用数: h-index:机构:Stegani, Nadia论文数: 0 引用数: 0 h-index: 0机构: Univ Genoa, Via Dodecaneso 33, I-16146 Genoa, Italy Consiglio Nazl Ric CNR SPIN, Corso Perrone 24, I-16152 Genoa, Italy Leibniz IFW Dresden, Inst Met Mat, D-01069 Dresden, GermanyMaccari, Ilaria论文数: 0 引用数: 0 h-index: 0机构: KTH Royal Inst Technol, Dept Phys, SE-10044 Stockholm, Sweden Paul Scherrer Inst, Lab Theoret & Computat Phys, CH-5232 Villigen, Switzerland Leibniz IFW Dresden, Inst Met Mat, D-01069 Dresden, GermanyKihou, Kunihiro论文数: 0 引用数: 0 h-index: 0机构: Natl Inst Adv Ind Sci & Technol, Tsukuba, Ibaraki 3058568, Japan Leibniz IFW Dresden, Inst Met Mat, D-01069 Dresden, GermanyLee, Chul-Ho论文数: 0 引用数: 0 h-index: 0机构: Natl Inst Adv Ind Sci & Technol, Tsukuba, Ibaraki 3058568, Japan Leibniz IFW Dresden, Inst Met Mat, D-01069 Dresden, GermanyHu, Quanxin论文数: 0 引用数: 0 h-index: 0机构: Shanghai Jiao Tong Univ, Tsung Dao Lee Inst, Shanghai 201210, Peoples R China Leibniz IFW Dresden, Inst Met Mat, D-01069 Dresden, GermanyZheng, Yu论文数: 0 引用数: 0 h-index: 0机构: Shanghai Jiao Tong Univ, Tsung Dao Lee Inst, Shanghai 201210, Peoples R China Leibniz IFW Dresden, Inst Met Mat, D-01069 Dresden, GermanyYang, Fazhi论文数: 0 引用数: 0 h-index: 0机构: Shanghai Jiao Tong Univ, Tsung Dao Lee Inst, Shanghai 201210, Peoples R China Leibniz IFW Dresden, Inst Met Mat, D-01069 Dresden, GermanyLi, Yongwei论文数: 0 引用数: 0 h-index: 0机构: Shanghai Jiao Tong Univ, Tsung Dao Lee Inst, Shanghai 201210, Peoples R China Leibniz IFW Dresden, Inst Met Mat, D-01069 Dresden, GermanyYim, Chi-Ming论文数: 0 引用数: 0 h-index: 0机构: Shanghai Jiao Tong Univ, Tsung Dao Lee Inst, Shanghai 201210, Peoples R China Shanghai Jiao Tong Univ, Sch Phys & Astron, Shanghai, Peoples R China Leibniz IFW Dresden, Inst Met Mat, D-01069 Dresden, GermanyHuehne, Ruben论文数: 0 引用数: 0 h-index: 0机构: Leibniz IFW Dresden, Inst Met Mat, D-01069 Dresden, Germany Leibniz IFW Dresden, Inst Met Mat, D-01069 Dresden, GermanyKlauss, Hans-Henning论文数: 0 引用数: 0 h-index: 0机构: Tech Univ Dresden, Inst Solid State & Mat Phys, D-01069 Dresden, Germany Leibniz IFW Dresden, Inst Met Mat, D-01069 Dresden, GermanyPutti, Marina论文数: 0 引用数: 0 h-index: 0机构: Univ Genoa, Via Dodecaneso 33, I-16146 Genoa, Italy Consiglio Nazl Ric CNR SPIN, Corso Perrone 24, I-16152 Genoa, Italy Leibniz IFW Dresden, Inst Met Mat, D-01069 Dresden, GermanyCaglieris, Federico论文数: 0 引用数: 0 h-index: 0机构: Univ Genoa, Via Dodecaneso 33, I-16146 Genoa, Italy Consiglio Nazl Ric CNR SPIN, Corso Perrone 24, I-16152 Genoa, Italy IFW Dresden, Leibniz Inst Solid State & Mat Res Dresden, D-01069 Dresden, Germany Leibniz IFW Dresden, Inst Met Mat, D-01069 Dresden, GermanyBabaev, Egor论文数: 0 引用数: 0 h-index: 0机构: KTH Royal Inst Technol, Dept Phys, SE-10044 Stockholm, Sweden Leibniz IFW Dresden, Inst Met Mat, D-01069 Dresden, GermanyGrinenko, Vadim论文数: 0 引用数: 0 h-index: 0机构: Shanghai Jiao Tong Univ, Tsung Dao Lee Inst, Shanghai 201210, Peoples R China Shanghai Jiao Tong Univ, Sch Phys & Astron, Shanghai, Peoples R China Leibniz IFW Dresden, Inst Met Mat, D-01069 Dresden, Germany
- [28] Flux pinning in Ba1-xKxFe2As2 superconductor with splayed columnar defectsPHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS, 2016, 530 : 58 - 61Park, A.论文数: 0 引用数: 0 h-index: 0机构: Univ Tokyo, Dept Appl Phys, Bunkyo Ku, 7-3-1 Hongo, Tokyo 1138656, Japan Univ Tokyo, Dept Appl Phys, Bunkyo Ku, 7-3-1 Hongo, Tokyo 1138656, JapanPyon, S.论文数: 0 引用数: 0 h-index: 0机构: Univ Tokyo, Dept Appl Phys, Bunkyo Ku, 7-3-1 Hongo, Tokyo 1138656, Japan Univ Tokyo, Dept Appl Phys, Bunkyo Ku, 7-3-1 Hongo, Tokyo 1138656, JapanTamegai, T.论文数: 0 引用数: 0 h-index: 0机构: Univ Tokyo, Dept Appl Phys, Bunkyo Ku, 7-3-1 Hongo, Tokyo 1138656, Japan Univ Tokyo, Dept Appl Phys, Bunkyo Ku, 7-3-1 Hongo, Tokyo 1138656, JapanKambara, T.论文数: 0 引用数: 0 h-index: 0机构: RIKEN, Nishina Ctr, 2-1 Hirosawa, Wako, Saitama 3510198, Japan Univ Tokyo, Dept Appl Phys, Bunkyo Ku, 7-3-1 Hongo, Tokyo 1138656, Japan
- [29] Superconductivity and electronic fluctuations in Ba1-xKxFe2As2 studied by Raman scatteringPHYSICAL REVIEW B, 2017, 95 (08)Wu, S. -F.论文数: 0 引用数: 0 h-index: 0机构: Rutgers State Univ, Dept Phys & Astron, Piscataway, NJ 08854 USA Chinese Acad Sci, Beijing Natl Lab Condensed Matter Phys, Beijing 100190, Peoples R China Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China Rutgers State Univ, Dept Phys & Astron, Piscataway, NJ 08854 USA论文数: 引用数: h-index:机构:Ding, H.论文数: 0 引用数: 0 h-index: 0机构: Chinese Acad Sci, Beijing Natl Lab Condensed Matter Phys, Beijing 100190, Peoples R China Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China Univ Chinese Acad Sci, Sch Phys Sci, Beijing 100190, Peoples R China Collaborat Innovat Ctr Quantum Matter, Beijing, Peoples R China Rutgers State Univ, Dept Phys & Astron, Piscataway, NJ 08854 USAWen, H. -H.论文数: 0 引用数: 0 h-index: 0机构: Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Jiangsu, Peoples R China Nanjing Univ, Dept Phys, Nanjing 210093, Jiangsu, Peoples R China Nanjing Univ, Collaborat Innovat Ctr Adv Microstruct, Nanjing, Jiangsu, Peoples R China Rutgers State Univ, Dept Phys & Astron, Piscataway, NJ 08854 USATan, Guotai论文数: 0 引用数: 0 h-index: 0机构: Rice Univ, Dept Phys & Astron, Houston, TX 77005 USA Rutgers State Univ, Dept Phys & Astron, Piscataway, NJ 08854 USAWang, Meng论文数: 0 引用数: 0 h-index: 0机构: Sun Yat Sen Univ, Sch Phys, Guangzhou 510275, Guangdong, Peoples R China Rutgers State Univ, Dept Phys & Astron, Piscataway, NJ 08854 USAZhang, Chenglin论文数: 0 引用数: 0 h-index: 0机构: Rice Univ, Dept Phys & Astron, Houston, TX 77005 USA Rutgers State Univ, Dept Phys & Astron, Piscataway, NJ 08854 USADai, Pengcheng论文数: 0 引用数: 0 h-index: 0机构: Rice Univ, Dept Phys & Astron, Houston, TX 77005 USA Rutgers State Univ, Dept Phys & Astron, Piscataway, NJ 08854 USABlumberg, G.论文数: 0 引用数: 0 h-index: 0机构: Rutgers State Univ, Dept Phys & Astron, Piscataway, NJ 08854 USA NICPB, EE-12618 Tallinn, Estonia Rutgers State Univ, Dept Phys & Astron, Piscataway, NJ 08854 USA
- [30] Distinct High-T Transitions in Underdoped Ba1-xKxFe2As2PHYSICAL REVIEW LETTERS, 2010, 105 (10)Urbano, R. R.论文数: 0 引用数: 0 h-index: 0机构: Florida State Univ, Natl High Magnet Field Lab, Tallahassee, FL 32306 USA Florida State Univ, Natl High Magnet Field Lab, Tallahassee, FL 32306 USAGreen, E. L.论文数: 0 引用数: 0 h-index: 0机构: Florida State Univ, Natl High Magnet Field Lab, Tallahassee, FL 32306 USA Florida State Univ, Natl High Magnet Field Lab, Tallahassee, FL 32306 USAMoulton, W. G.论文数: 0 引用数: 0 h-index: 0机构: Florida State Univ, Natl High Magnet Field Lab, Tallahassee, FL 32306 USA Florida State Univ, Natl High Magnet Field Lab, Tallahassee, FL 32306 USAReyes, A. P.论文数: 0 引用数: 0 h-index: 0机构: Florida State Univ, Natl High Magnet Field Lab, Tallahassee, FL 32306 USA Florida State Univ, Natl High Magnet Field Lab, Tallahassee, FL 32306 USAKuhns, P. L.论文数: 0 引用数: 0 h-index: 0机构: Florida State Univ, Natl High Magnet Field Lab, Tallahassee, FL 32306 USA Florida State Univ, Natl High Magnet Field Lab, Tallahassee, FL 32306 USABittar, E. M.论文数: 0 引用数: 0 h-index: 0机构: Univ Estadual Campinas, Inst Fis Gleb Wataghin, BR-13083970 Campinas, SP, Brazil Florida State Univ, Natl High Magnet Field Lab, Tallahassee, FL 32306 USAAdriano, C.论文数: 0 引用数: 0 h-index: 0机构: Univ Estadual Campinas, Inst Fis Gleb Wataghin, BR-13083970 Campinas, SP, Brazil Florida State Univ, Natl High Magnet Field Lab, Tallahassee, FL 32306 USAGaritezi, T. M.论文数: 0 引用数: 0 h-index: 0机构: Univ Estadual Campinas, Inst Fis Gleb Wataghin, BR-13083970 Campinas, SP, Brazil Florida State Univ, Natl High Magnet Field Lab, Tallahassee, FL 32306 USABufaical, L.论文数: 0 引用数: 0 h-index: 0机构: Univ Estadual Campinas, Inst Fis Gleb Wataghin, BR-13083970 Campinas, SP, Brazil Florida State Univ, Natl High Magnet Field Lab, Tallahassee, FL 32306 USAPagliuso, P. G.论文数: 0 引用数: 0 h-index: 0机构: Univ Estadual Campinas, Inst Fis Gleb Wataghin, BR-13083970 Campinas, SP, Brazil Florida State Univ, Natl High Magnet Field Lab, Tallahassee, FL 32306 USA