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

2011
Ran S; Bud'ko S L; Pratt D K; Kreyssig A; Kim M G; Kramer M J; Ryan D H; Rowan-Weetaluktuk W N; Furukawa Y; Roy B; Goldman A I; Canfield P C . 2011. Stabilization of an ambient-pressure collapsed tetragonal phase in CaFe(2)As(2) and tuning of the orthorhombic-antiferromagnetic transition temperature by over 70 K via control of nanoscale precipitates. Physical Review B. 83:144517. abstract
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Ryan D H; Rowan-Weetaluktuk W N; Cadogan J M; Hu R; Straszheim W E; Bud'ko S L; Canfield P C . 2011. Fe-57 Mossbauer study of magnetic ordering in superconducting K0.80Fe1.76Se2.00 single crystals. Physical Review B. 83:104526 . abstract
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Mun E D; Altarawneh M M; Mielke C H; Zapf V S; Hu R; Bud'ko S L; Canfield P C . 2011. Anisotropic Hc2 of K0.8Fe(1.76)Se(2) determined up to 60 T. Physical Review B. 83:100514. abstract
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Lu X; Park W K; Yeo S; Oh K H; Lee S I; Bud'ko S L; Canfield P C; Greene L H . 2011. Superconducting order parameter in nonmagnetic borocarbides RNi2B2C (R = Y, Lu) probed by point-contact Andreev reflection spectroscopy. Physical Review B. 83:104519 . abstract
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Ryan D H; Lee-Hone N R; Cadogan J M; Canfield P C; Bud'ko S L . 2011. Magnetic ordering in GdAgSb2. Journal of Physics-Condensed Matter. 23:106003. abstract
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Hu R W; Bud'ko S L; Straszheim W E; Canfield P C . 2011. Phase diagram of superconductivity and antiferromagnetism in single crystals of Sr(Fe1-xCox)(2)As-2 and Sr1-yEuy(Fe0.88Co0.12)(2)As-2. Physical Review B. 83:094520. abstract
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Hodovanets H; Mun E D; Thaler A; Bud'ko S L; Canfield P C . 2011. Thermoelectric power of Ba(Fe1-xRux)(2)As-2 and Ba(Fe1-xCox)(2)As-2: Possible changes of Fermi surface with and without changes in electron count. Physical Review B. 83:094508. abstract
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Levin E M; Cook B A; Harringa J L; Bud'ko S L; Venkatasubramanian R; Schmidt-Rohr K . 2011. Analysis of Ce- and Yb-Doped TAGS-85 Materials with Enhanced Thermoelectric Figure of Merit. Advanced Functional Materials. 21:441-447. abstract
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Prokes K; Gukasov A; Argyriou D N; Bud'ko S L; Canfield P C; Kreyssig A; Goldman A I . 2011. Magnetization distribution in the tetragonal Ba(Fe1-xCox)(2)As-2, x=0.066 probed by polarized neutron diffraction. EPI. 93:32001. abstract
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Kim M G; Pratt D K; Rustan G E; Tian W; Zarestky J L; Thaler A; Bud'ko S L; Canfield P C; McQueeney R J; Kreyssig A; Goldman A I . 2011. Magnetic ordering and structural distortion in Ru-doped BaFe2As2 single crystals studied by neutron and x-ray diffraction. Physical Review B. 83:054514. abstract
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