Sergey L. Bud'ko

Scientist I
Address
A111 Zaffarano Hall
Iowa State University
Ames, IA 50011
Phone 515-294-3986
Fax 515-294-0689
Email budko@ameslab.gov

Research Interests

  • Experimental condensed matter physics: thermodynamic (magnetization, heat capacity, thermal expansion) and transport (resistivity, Hall effect, thermoelectric power) properties of novel materials and materials with novel ground states in multi-extreme conditions (low temperatures, high magnetic fields, high pressure)
  • Quantum oscillations
  • Density waves
  • Metamagnetism
  • Strong electronic correlations
  • Quantum criticality

        Project Affiliations:

        Group Website:

(Chronologically most recent on top)Education

  • Ph.D. Solid State Physics, Moscow Institute of Physics and Technology, 1986
  • M.S. (with honors) Solid State Physics, Moscow Institute of Physics and Technology, 1982

(Chronologically most recent on top)Professional Appointments

  • 2004 - present Adjunct Research Associate Professor, Dept. of Physics and Astronomy, Iowa State University
  • 2002 - present Scientist, Ames Laboratory, Iowa State University
  • 1999 - 2002 Associate Scientist, Ames Laboratory, Iowa State University
  • 1998 - 1999 Visiting Scientist, Ames Laboratory, Iowa State University
  • 1996 - 1998 Visiting Researcher, Centro Brasileiro de Pesquisas Fisicas, Rio de Janeiro, Brazil
  • 1995 - 1996 Visiting Scientist, Ames Laboratory and Dept. of Physics and Astronomy, Iowa State University
  • 1993 - 1995 Visiting Researcher, Centro Brasileiro de Pesquisas Fisicas, Rio de Janeiro, Brazil
  • 1991 - 1993 Associate Researcher, Texas Center for Superconductivity at the University of Houston
  • 1990 - 1991 Visiting Researcher, Dept. of Physics, University of California, San Diego
  • 1985 - 1991 Researcher, Institute for High Pressure Physics, Troitsk, Moscow region, Russia
  • 1982 - 1985 Research Assistant, Institute for High Pressure Physics, Troitsk, Moscow region, Russia

(Chronologically most recent on top)Honors & Awards

  • 2010 Outstanding Referee for the APS journals
  • 2009 Fellow of the American Physical Society
  • 1997 - 1998 FAPERJ (Rio de Janeiro state, Brazil) fellowship
  • 1993 - 1995, 1996-1997 CNPq (Brazil) fellowship
  • 1987, 1989 Award for the best research by young scientist, Institute for High Pressure Physics, RAS

(Chronologically most recent on top)Publications with the Ames Laboratory

2010
Martin C; Kim H; Gordon R T; Ni N; Kogan V G; Bud'ko S L; Canfield P C; Tanatar M A; Prozorov R . 2010. Evidence from anisotropic penetration depth for a three-dimensional nodal superconducting gap in single-crystalline Ba(Fe1-xNix)(2)As-2. Physical Review B. 81:060505. abstract
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Lee Y; Vaknin D; Li H F; Tian W; Zarestky J L; Ni N; Bud'ko S L; Canfield P C; McQueeney R J; Harmon B N . 2010. Magnetic form factor of iron in SrFe2As2. Physical Review B. 81:060406. abstract
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Kondo T; Fernandes R M; Khasanov R; Liu C; Palczewski A D; Ni N; Shi M; Bostwick A; Rotenberg E; Schmalian J; Bud'ko S L; Canfield P C; Kaminski A . 2010. Unexpected Fermi-surface nesting in the pnictide parent compounds BaFe2As2 and CaFe2As2 revealed by angle-resolved photoemission spectroscopy. Physical Review B. 81:060507. abstract
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Chuang T M; Allan M P; Lee J; Xie Y; Ni N; Bud'ko S L; Boebinger G S; Canfield P C; Davis J C . 2010. Nematic Electronic Structure in the "Parent" State of the Iron-Based Superconductor Ca(Fe1-xCox)(2)As-2. Science. 327:181-184. abstract
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2009
Shi D L; Cho H S; Huth C; Wang F; Dong Z Y; Pauletti G M; Lian J; Wang W; Liu G K; Bud'ko S L; Wang L M; Ewing R C . 2009. Conjugation of quantum dots and Fe3O4 on carbon nanotubes for medical diagnosis and treatment. Applied Physics Letters. 95:223702. abstract
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Prozorov R; Tanatar M A; Ni N; Kreyssig A; Nandi S; Bud'ko S L; Goldman A I; Canfield P C . 2009. Intrinsic pinning on structural domains in underdoped single crystals of Ba(Fe1-xCox)(2)As-2. Physical Review B. 80:174517. abstract
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Torikachvili M S; Bud'ko S L; Ni N; Canfield P C . 2009. Hydrostatic pressure study of the structural phase transitions and superconductivity in single crystals of (Ba1-xKx)Fe2As2 (x=0 and 0.45) and CaFe2As2. Physica B-Condensed Matter. 404:3223-3226. abstract
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Szabo P; Pribulova Z; Pristas G; Bud'ko S L; Canfield P C; Samuely P . 2009. Two gap superconductivity in Ba0.55K0.45Fe2As2 single crystals studied by the directional point-contact Andreev reflection spectroscopy. Physica B-Condensed Matter. 404:3220-3222. abstract
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Bud'ko S L; Canfield P C; Sefat A S; Sales B C; McGuire M A; Mandrus D . 2009. Anisotropic thermal expansion of Fe1.06Te and FeTe0.5Se0.5 single crystals. Physical Review B. 80:134523. abstract
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Luo X G; Tanatar M A; Reid J P; Shakeripour H; Doiron-Leyraud N; Ni N; Bud'ko S L; Canfield P C; Luo H Q; Wang Z S; Wen H H; Prozorov R; Taillefer L . 2009. Quasiparticle heat transport in single-crystalline Ba(1-x)KxFe(2)As(2): Evidence for a k-dependent superconducting gap without nodes. Physical Review B. 80:140503. abstract
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