Vitalij Pecharsky

None
Address
253 Spedding Hall
The Ames Laboratory
Ames, IA 50011-3020
Phone 515-294-8220
Fax 515-294-9579
Email vitkp@ameslab.gov

Research Interests

  • Synthesis, structure, experimental thermodynamics, physical and chemical properties of novel binary, ternary and multicomponent intermetallic compounds containing rare earth metals.
  • Anomalous behavior of 4f-electron systems
  • Relationships between materials' composition, structure, physical and chemical properties
  • Magnetostructural phase transformations
  • Physical properties of ultra-pure rare earth metals
  • Hydrogen storage materials
  • Complex hydrides
  • Mechanochemical transformations and mechanically promoted solid state reactions

        Project Affiliations:

(Chronologically most recent on top)Education

  • Ph.D. Inorganic Chemistry, L’viv State University, L’viv, Ukraine, 1979
  • M.S. Chemistry (with distinction), L’viv State University, L’viv, Ukraine, 1976
  • B.S. Chemistry (with distinction), L’viv State University, L’viv, Ukraine, 1976

(Chronologically most recent on top)Professional Appointments

  • 1998 - 2000 Scientist, Ames Laboratory, Iowa State University
  • 1995 - 1998 Associate Scientist, Ames Laboratory, Iowa State University
  • 1993 - 1995 Visiting Scientist, Ames Laboratory, Iowa State University

(Chronologically most recent on top)Honors & Awards

  • 2006 Anson Marston Distinguished Professor in Engineering
  • 2003 Materials Science and Engineering Department Excellence in Research Award
  • 2003 Innovative Housing Technology Awards: Coming of Age Award for Magnetic Refrigerator by the Nat’l. Assn. of Home Builders, Atlanta, GA
  • 2002 Federal Laboratory Consortium’s Mid-Continent Award for Outstanding Regional Partnership between DOE’s Ames Lab. and Astronautics Corp. of America on “Magnetic Refrigeration Technology”
  • 2000 US DOE’s Energy 100 Award for the “Magnetic Refrigeration Unit”
  • 1999 Award of Excellence for a Technical Paper “Magnetic Cooling for Appliances” presented at the 50th Anniversary Conf. of the Int’l. Appliance Technical Conference at Purdue University
  • 1997 DOE Materials Sciences Award for Significant Implication for Dept. of Energy Related Technologies in the Metallurgy and Ceramics
  • 1995 Russell B. Scott Memorial Award for the Best Research Paper at the 1993 Cryogenic Engineering Conference and published in Adv. in Cryogenic Engineering

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

2007
Spichkin Y I; Derkach A V; Tishin A M; Kuz'min M D; Chernyshov A S; Gschneidner K A; Pecharsky V K . 2007. Thermodynamic features of magnetization and magnetocaloric effect near the magnetic ordering temperature of Gd. Journal of Magnetism and Magnetic Materials. 316:E555-E557. abstract
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Ouyang Z W; Pecharsky V K; Gschneidner K A; Schlagel D L; Lograsso T A . 2007. Angular dependence of the spin-flop transition and a possible structure of the spin-flop phase of Gd5Ge4. Physical Review B. 76:134415. abstract
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Ouyang Z W; Pecharsky V K; Gschneidner K A; Schlagel D L; Lograsso T A . 2007. Field step size and temperature effects on the character of the magnetostructural transformation in a Gd5Ge4 single crystal. Physical Review B. 76:134406. abstract
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Roy S B; Chattopadhyay M K; Banerjee A; Chaddah P; Moore J D; Perkins G K; Cohen L F; Gschneidner K A; Pecharsky V K . 2007. Devitrification of the low temperature magnetic-glass state in Gd5Ge4. Physical Review B. 75:184410. abstract
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Perkins G K; Moore J D; Chattopadhyay M K; Roy S B; Chaddah P; Pecharsky V K; Gschneidner K A; Cohen L F . 2007. Dynamics of magnetic phase cluster formation in the field-driven AFM-FM transition in Gd5Ge4. Journal of Physics-Condensed Matter. 19:176213. abstract
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Bondino F; Brinkman A; Zangrando M; Carbone F; van der Marel D; Schlagel D L; Lograsso T A; Gschneidner K A; Pecharsky V K; Parmigiani F . 2007. Experimental investigation of the electronic structure of Gd5Ge2Si2 by photoemission and x-ray absorption spectroscopy. Journal of Physics-Condensed Matter. 19:186219. abstract
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Dolotko O; Zhang H Q; Ugurlu O; Wiench J W; Pruski M; Chumbley L S; Pecharsky V . 2007. Mechanochemical transformations in Li(Na)AlH4-Li(Na)NH2 systems. Acta Materialia. 55:3121-3130. abstract
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Tishin A M; Derkach A V; Spichkin Y I; Kuz'min M D; Chernyshov A S; Gschneidner K A; Pecharsky V K . 2007. Magnetocaloric effect near a second-order magnetic phase transition. Journal of Magnetism and Magnetic Materials. 310:2800-2804. abstract
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Paudyal D; Pecharsky V K; Gschneidner K A; Harmon B N . 2007. Magnetism of Gd5Ge4 from first principles. Physical Review B. 75:094427. abstract
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Haskel D; Lee Y B; Harmon B N; Islam Z; Lang J C; Srajer G; Mudryk Y; Gschneidner K A; Pecharsky V K . 2007. Role of Ge in bridging ferromagnetism in the giant magnetocaloric Gd-5(Ge1-xSix)(4) alloys. Physical Review Letters. 98:247205. abstract
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