Kirill's Google Scholar profile

Highlights about our work

Clathrate Expands Thermoelectrics List C&EN News 2013, 91(30), 29.

Outreach together with Explorit, Davis Enterprise, 2014.

Pignataro, B. Editorial: Young Chemists and the European Young Chemist Award. Chem. Europ. J. 2014, 20, 10532-10537.

Halasyamani, P.S. Editorial for the ACS Select Collection on Solid-State Chemistry. Inorg. Chem. 2014, 53, 10781-10784.

JACS Select: Virtual Issue #30, 2014.

Chem. Commun. Emergent Investigators, 2015.

DCTV Davis Media, 2015.

The Educational Outreach Committee and Chemistry Club set up interactive exhibits about nanomaterials at the Powerhouse Science Center in Sacramento in November 2016. The exhibit was featured in a live segment on Good Day Sacramento.

Dolyniuk, J. Thermoelectrics Are Hot (and Cold): Insights from Division of Inorganic Chemistry's Young Investigator Awardee, Sponsored by Chemistry of Materials. Chem. Mater. 2016, 28, 7567-7569.

Science Daily, March 2017: New types of structures for cage-like clathrates

ChemEurope.com, March 2017: New types of structures for cage-like clathrates.

Energy Harvesting Journal, March 2017: Compounds basis for devices that turn waste heat to electricity

DOE Basic Energy Sciences, 2017: Breaking the Rules to Make Electricity from Waste Heat

EggHead Research blog, UC Davis, March 2017: New Types of Structures for Cage-Like Clathrates

Banerjee, S.; McNally, T. Emerging investigators in materials science 2015-2016. Mater. Res. X 2017, 4, 010401.

Baumer, F.; Nilges, T. Inorganic Clathrates: A Polyhedron with 22 Vertices and up to Ninefold Coordinated Phosphorus Atoms. Angew. Chem. Int. Ed. 2017, 56, 3424-3425.

Independent work

Undergraduate/high school student authors are highlighted with bold underline.

117. Owens-Baird, B.; Kolen'ko, Yu.; Kovnir, K. Structure-activity relationships for Pt-free metal phosphide hydrogen evolution electrocatalysts. Chem. Europ. J. 2018, accepted.

116. Wang, J.; Lebedev, O.I.; Lee, K.; Dolyniuk, J.; Klavins, P.; Bux, S.; Kovnir, K. A high-efficiency thermoelectric Ba8Cu14Ge6P26: Bridging the gap between tetrel-based and tetrel-free clathrates. Chem. Sci. 2017, 8, 8030-8038.

115. Greenfield, J.; Unger, C.; Chen, M.; Izquierdo, N.; Woo, K.; Garlea, V.O.; Kamali, S; Kovnir, K. A series of chiral, polar, homospin topological ferrimagnets: M3(OOCH)5Cl(OH2) (M = Fe, Co, Ni). Chem. Mater. 2017, 29, 7716-7724.

114. Owens-Baird, B.; Lee, S.; Kovnir, K. Two-Dimensional Metal NaCu6.3Sb3 and Solid-State Transformations of Sodium Copper Antimonides. Dalton Trans. 2017, 46, 12438-12445. Cover Figure.

113. Xu, J.; Wei, X.-K.; Costa, J.D.; Lado, J.L.; Owens-Baird, B.; Goncalves, L.P.L.; Fernandes, S.P.S.; Heggen, M.; Petrovykh, D.Y.; Dunin-Borkowski, R.E.; Kovnir, K.; Kolen'ko, Yu.V. Interface Engineering in Nanostructured Nickel Phosphide Catalyst for Efficient and Stable Water Oxidation. ACS Catal. 2017, 7, 5450-5455.

112. Marple, M.; Badger, J.; Hung, I.; Gan, Z.; Kovnir, K.; Sen. S. Structure of Amorphous Selenium by 2D 77Se NMR Spectroscopy: An End to The Dilemma of Chain vs. Ring. Angew. Chem. Int. Ed. 2017, 56, 9777-9781.

111. Wang, J.; Greenfield, J.; Kovnir, K. Synthesis, Crystal Structure, and Magnetic Properties of R2Mg3SiPn6 (R = La, Ce; Pn = P, As). Inorg. Chem. 2017, 56, 8348-8354.

110. Dolyniuk, J.; Whitfield, P.S.; Lee, K.; Lebedev, O.I.; Kovnir, K. Controlling Superstructural Ordering in the Clathrate-I Ba8Cu16P30 (M= Cu, Zn) through the Formation of Metal-Metal Bonds. Chem. Sci. 2017, 8, 3650-3659.

109. Wang, J.; Mazzetti, J.; Kovnir, K. Synthesis, crystal and electronic structure, and physical properties of a new quaternary phosphide Ba4Mg2+δCu12-δP10 (0 < δ < 2). Inorg. Chem. Front. 2017, 4, 801-808. Invited Paper.

108. Owens-Baird, B.; Heinrich, S.; Kovnir, K. Thermoelectric Materials. Encyclopedia of Inorganic and Bioinorganic Chemistry. 2017, DOI: 10.1002/9781119951438.eibc2497, 1-35. Invited Review.

107. Dolyniuk, J.; Zaikina, J.V.; Kaseman, D.C.; Sen, S.; Kovnir, K. Breaking the Tetra-Coordinated Framework Rule: New Clathrate Ba8M24P28+δ (M = Cu/Zn). Angew. Chem. Int. Ed. 2017, 56, 2418-2422. Cover Figure; VIP: Very Important Paper.

106. Pomerantseva, E.; Resini, C.; Kovnir, K.; Kolen'ko, Yu.V. Emerging Nanostructured Electrode Materials for Water Electrolysis and Rechargeable Beyond Li-ion Batteries. Adv. Phys. X, 2017, 2, 211-253. Invited Review.

105. Wang, J.; Lee, K.; Kovnir, K. Synthesis, Crystal Structure, and Properties of La4Zn7P10 and La4Mg1.5Zn8.5P12. Inorg. Chem. 2017, 56, 783-790.

104. Dolyniuk, J.; Owens-Baird, B.; Wang, J.; Zaikina, J.V.; Kovnir, K. Clathrate Thermoelectrics. Materials Science & Engineering R. 2016, 108, 1-46. Invited Review.

103. Dolyniuk, J.; Kovnir, K. High Pressure Properties of a Ba-Cu-Zn-P Clathrate-I. Materials. 2016, 9, 692. Invited Paper.

102. Costa, J.D.; Lado, J.L.; Carbo-Argibay, E.; Paz, E.; Gallo, J.; Cerqueira, G.M.F.; Rodriguez-Abreu, C.; Kovnir, K.; Kolen'ko, Yu.V. Electrocatalytic Performance and Stability of Nanostructured Fe-Ni Pyrite-Type Diphosphide Catalyst Supported on Carbon Paper. J. Chem. Phys. C 2016, 120, 16357-16544.

101. Wang, J.; Marple, M.; Lee, K.; Sen, S.; Kovnir, K. Synthesis, crystal structure, and advanced NMR characterization of a low temperature polymorph of SiSe2. J. Mater. Chem. A 2016, 4, 11276-11283. HOT Paper.

100. Woo, K.; Lee, K.; Kovnir, K. BP: Synthesis and Properties of Boron Phosphide. Mater. Res. Expr. 2016, 3, 074003. Invited Paper.

99. Wang, J.; Kaseman, D.; Lee, K.; Sen, S.; Kovnir, K. Enclathration of X@La4 tetrahedra in channels of Zn-P frameworks in La3Zn4P6X (X = Cl, Br). Chem. Mater. 2016, 28, 4741-4750.

98. Kovnir, K.; Toberer, E.S. Virtual Issue on Thermoelectric Materials. Chem. Mater. 2016, 28, 2463-2465.

97. Lee, K.; Kamali, S.; Ericsson, T.; Bellard, M.; Kovnir, K. GeAs: Highly anisotropic van der Waals thermoelectric material. Chem. Mater. 2016, 28, 2776-2785.

96. Wang, J.; Greenfield, J.T.; Kovnir, K. Synthesis, Crystal Structure, and Magnetic Properties of Quaternary Iron Selenides: Ba2FePnSe5 (Pn = Sb, Bi). J. Solid State Chem. 2016, 242, 22-27. Invited Paper, Cover Figure.

95. Wang, J.; Lee, K.; Kovnir, K. Synthesis, crystal and electronic structure, and optical properties of two new chalcogenide-iodides: Ba3Q4I2 (Q = S, Se). Inorg. Chem. Front. 2016, 3, 306-312. Invited Paper.

94. Greenfield, J.T.; Garlea, V.O.; Kamali, S.; Chen, M.; Kovnir, K. Synthesis, Crystal Growth, Structural and Magnetic Characterization of NH4MCl2(HCOO), M = (Fe, Co, Ni). J. Solid State Chem. 2016, 236, 222-229. Invited Paper.

93. Wang, J.; Kovnir, K. Elusive β-Zn8Sb7: A new zinc antimonide thermoelectric. J. Amer. Chem. Soc. 2015, 137, 12474-12477.

92. Lado, J.L.; Wang, X.; Carbo-Argibay, E.; Guldris, N.; Rodriguez-Abreu, C.; Lui, L.; Kovnir, K.; Kolen'ko, Yu.V. Design and Synthesis of Highly Active Al-Ni-P Foam Electrode for Hydrogen Evolution Reaction. ACS Catal. 2015, 5, 6503-6508.

91. Wang, J.; Lee, K.; Kovnir, K. Synthesis, Crystal Structure, and Thermoelectric Properties of Two New Barium Antimony Selenides: Ba2Sb2Se5 and Ba6Sb7Se16.11. J. Mater. Chem. C, 2015, 3, 9811-9818. HOT Paper.

90. Dolyniuk, J.; He, H.; Ivanov, A.; Boldyrev, A.; Bobev, S.; Kovnir, K. Ba and Sr Binary Phosphides: Synthesis, Crystal Structures, and Bonding Analysis. Inorg. Chem. 2015, 54, 8608-8616.

89. Dolyniuk, J.; Wang, J.; Lee, K.; Kovnir, K. Twisted Kelvin cells and truncated octahedral cages in the crystal structures of unconventional clathrates, AM2P4 (A = Sr, Ba; M = Cu, Ni) Chem. Mater. 2015, 27, 4476-4484.

88. Wang, X.; .Kolen'ko, Yu.V.; Bao, X.-Q.; Kovnir, K.; Liu, L. One-Step Synthesis of Self-Supported Nickel Phosphide Nanosheet Array Cathodes for Efficient Electrocatalytic Hydrogen Generation. Angew. Chem. Int. Ed. 2015, 54, 8188-8192.

87. Lee, K.; Kaseman, D.; Sen, S.; Hung, I.; Gan, Z.; Gerke, B.; Pottgen, R.; Feygenson, M.; Neuefeind, J.; Lebedev, O.I.; Kovnir, K. Intricate short-range ordering and strongly anisotropic transport properties of Li1-xSn2+xAs2. J. Amer. Chem. Soc. 2015, 137, 3622-3630.

86. Deepak, F.L.; Banobre-Lopez, M.; Carbo-Argibay, E.; Cerqueira, M.F.G.; Pineiro-Redondo, Y.; Rivas, J.; Thompson, C.M.; Kamali, S.; Rodriguez-Abreu, C.; Kovnir, K.;Kolen'ko, Y.V.; A Systematic Study of the Structural and Magnetic Properties of Mn-, Co-, and Ni-Doped Colloidal Magnetite Nanoparticles. J. Phys. Chem. C 2015, 119, 11947-11957.

85. Wang, J.; Lee, K.; Kovnir, K. Synthesis, Crystal, and Electronic Structure of Ba3Sb2Q7 (Q = S, Se). Z. Anorg. Allgem. Chem. 2015, 641, 1087-1092. Invited Paper.

84. Dolyniuk, J.; Tran, N.; Lee, K.; Kovnir, K.Sr2P7X (X = Cl, Br, and I): Synthesis, Crystal, and Electronic Structures of Double Zintl Salts Containing Heptaphosphanortricyclane, P73-. Z. Anorg. Allgem. Chem. 2015, 641, 1422-1427. Invited Paper.

83. Greenfield, J.T.; Kamali, S.; Lee, K.; Kovnir, K. A Solution for Solution-Produced β-FeSe: Elucidating and Overcoming Factors that Prevent Superconductivity. Chem. Mater. 2015, 27, 588-596.

82. Greenfield, J.T.; Pak, C.; Kamali, S.; Lee, K.; Kovnir, K. Control over Connectivity and Magnetism of Tetrahedral FeSe2 Chains through Coordination Fe-Amine Complexes. Chem. Commun. 2015, 51, 5355-5358.

81. Wang, J.; Lee, K.; Kovnir, K. Distorted phosphorus and copper square-planar layers in LaCu1+xP2 and LaCu4P3: synthesis, crystal structure, and physical properties. Inorg. Chem. 2015, 54, 890-897.

80. Kaseman, D.C.; Hung, I.; Lee, K.; Kovnir, K.; Gan, Z.; Aitken, B.G.; Sen, S. Tellurium Speciation, Connectivity and Chemical Order in AsxTe100-x Glasses: Results from Two-Dimensional 125Te NMR Spectroscopy. J. Phys. Chem. B 2015, 119, 2081-2088.

79. Hu, Y.; Wang, J.; Kawamura, A.; Kovnir, K.; Kauzlarich, S.M. Yb14MgSb11 and Ca14MgSb11 - New Mg-Containing Zintl Compounds and Their Structures, Bonding and Thermoelectric Properties. Chem. Mater. 2015, 27, 343-351.

78. Lee, K.; Synnestvedt, S.; Bellard, M.; Kovnir, K. GeP and (Ge1-xSnx)(P1-yGey) (x = 0.12, y = 0.05): Synthesis, structure, and properties of two-dimensional layered tetrel phosphides. J. Solid State Chem. 2015, 224, 62-70. Invited Paper: 2D Materials Special Issue.

77. Shevelkov, A.V.; Kovnir K.; Zaikina J.V. Chemistry and Physics of Inverse (Cationic) Clathrates and Tin Anionic Clathrates. In The Physics and Chemistry of Inorganic Clathrates. Ed. Nolas, G.S. Springer, 2014, 125-167.

76. Dolyniuk, J.; Kaseman, D.; Sen, S.; Zhao, J.; Osterloh, F.E.; Kovnir, K. mP-BaP3: A New Phase from an Old Binary System. Chem. Europ. J. 2014, 20, 10829-10837. Invited Paper: Young Chemists Special Issue.

75. Kolen'ko, Y.V.; Banobre-Lopez, M.; Rodriguez-Abreu, C.; Carbo-Argibay, E.; Deepak, L.F.;Petrovykh, D.Y.; Cerqueira, M.F.G.; Kamali, S.; Kovnir, K.; Shtansky, D.V.; Lebedev, O.I.; Rivas, J. High-Temperature Magnetism as a Probe for Structural and Compositional Uniformity in Ligand-capped Magnetite Nanoparticles. J. Phys. Chem. C 2014, 118, 28322-28329.

74. Kolen'ko, Y.V.; Banobre-Lopez, M.; Rodriguez-Abreu, C.; Carbo-Argibay, E.; Sailsman, A.; Pineiro-Redondo, Y.; Cerqueira, M.F.G.; Petrovykh, D.Y.; Kovnir, K.; Lebedev, O.I.; Rivas, J. Large-Scale Synthesis of Colloidal Fe3O4 Nanoparticles Exhibiting High Heating Efficiency in Magnetic Hyperthermia. J. Phys. Chem. C 2014, 118, 8691-8701.

73. Greenfield, J.T.; Kamali, S.; Izquierdo, N.; Chen, M.; Kovnir, K. NH4FeCl2(HCOO): Synthesis, Structure, and Magnetism of a Novel Low-Dimensional Magnetic Material. Inorg. Chem. 2014, 53, 3162-3169.

72. Pak, C.; Kamali, S.; Pham, J.; Lee, K.; Greenfield, J.T.; Kovnir, K. Chemical Excision of Tetrahedral FeSe2 Chains from the Superconductor FeSe: Synthesis, Crystal Structure, and Magnetism of Fe3Se4(en)2. J. Amer. Chem. Soc. 2013, 135, 19111-19114.

71. Dolyniuk, J.; Kovnir, K.

Zintl Salts Ba2P7X (X = Cl, Br, and I): Synthesis, Crystal, and Electronic Structure. Crystals, 2013, 3, 431-442.

70. Fulmer, J.; Lebedev, O.I.; Roddatis, V.V.; Kaseman, D.; Sen, S.; Dolyniuk, J.; Lee, K.; Olenev, A.V.; Kovnir, K.

Clathrate Ba8Au16P30: The "Gold Standard" for Lattice Thermal Conductivity. J. Amer. Chem. Soc. 2013, 135, 12313-12323.

69. Fulmer, J.; Kaseman, D.; Dolyniuk, J.; Lee, K.; Sen, S.; Kovnir, K.

BaAu2P4: Layered Zintl Polyphosphide with Infinite (P-) Chains. Inorg. Chem. 2013, 52, 7061-7067.

68. Cooke, K.; Olenev, A.V.; Kovnir, K. Tris(ethylenediamine)cobalt(II) dichloride. Acta Cryst. E 2013, E69, m332.

Postdoctoral & Graduate Studies

67. X. Tan, V.O.Garlea, K. Kovnir, C.M. Thompson, T. Xu, H. Cao, P. Chai, Z.P. Tener, S. Yan, P. Xiong, M. Shatruk. Complex magnetic phase diagram with multistep spin-flop transitions in La0.25Pr0.75Co2P2. Phys. Rev. B, 2017, 95, 024428.

66. Peterson, P.; Shevchenko, N.; Breiner, B.; Manoharan, M.; Lufti, F.; Delaune, J.; Kingsley, M.; Kovnir, K.; Alabugin, I. Orbital Crossings Activated Through Electron Injection: Opening Communication between Orthogonal Orbitals in Anionic C1-C5 Cyclizations of Enediynes. J. Amer. Chem. Soc. 2016, 138, 15617-15628.

65.X. Tan, G. Fabbris, D. Haskel, A.A. Yaroslavtsev, H. Cao, C.M. Thompson, K. Kovnir, A.P. Menushenkov, R.V. Chernikov, V.O.Garlea, M. Shatruk. A Transition from Localized to Strongly Correlated Electron Behavior and Mixed Valence Driven by Physical or Chemical Pressure in ACo2As2 (A = Eu, Ca). J. Amer. Chem. Soc. 2016, 138, 2724-2731.

64. Schmidt, M.; Kovnir, K.; Deichsel, J.; Binnewies, M.; Grin, Yu. Armbruster, M. Fest/Gas-Reaktion zur Darstellung von getragerten intermetallischen Ga-Pd Katalysatormaterialien. Z. Anorg. Allgem. Chem. 2015, 641, 1061-1068. Cover Figure.

63. Hietsoi, O.; Dunk, P. W.; Stout, H. D.; Arroyave, A.; Kovnir, K.; Irons, R. E.; Kassenova, N.; Yerkassov, R.; Achim, C.; Shatruk, M. Spin crossover in tetranuclear Fe(II) complexes, {[(tpma)Fe(m-CN)]4}X4 (X = ClO4-, BF4-). Inorg. Chem. 2014, 53, 13070-13077.

62. Lampen, P.; Phan, M. H.; Srikanth, H.; Kovnir, K.; Chai, P.; Shatruk, M. Heisenberg-like ferromagnetism in 3d-4f intermetallic La0.75Pr0.25Co2P2 with localized Co moments. Phys. Rev. B 2014, 90, 174404.

61. C.M. Thompson, K. Kovnir, V.O. Garlea, E.S. Choi, H.D. Zhou, M. Shatruk. Unconventional magnetism in ThCr2Si2-type phosphides, La1-xNdxCo2P2. J. Mater. Chem. C 2014, 2, 7561 - 7569.

60. C.M. Thompson, X. Tan, K. Kovnir, V.O. Garlea, A.A. Gippius, A.A. Yaroslavtsev, A.P. Menushenkov, R.V. Chernikov, N. Buttgen, W. Kratschmer, Y.V. Zubavichus, M. Shatruk. Synthesis, Structures, and Magnetic Properties of Rare-Earth Cobalt Arsenides, RCo2As2 (R = La, Ce, Pr, Nd). Chem. Mater. 2014, 26, 3825-3837.

59. Kovnir, K.; Thompson, C.M.; Garlea, V.O.; Haskel, D.; Polyanskii, A.A.; Zhou, H.; Shatruk, M. Modification of magnetic anisotropy through 3d-4f coupling in La0.75Pr0.25Co2P2 Phys. Rev. B 2013, 88, 104429.

58. Keniley, L. K.; Dupont, N.; Ray, L.; Ding, J.; Kovnir, K.; Hoyt, J. M.; Hauser, A.; Shatruk, M. Complexes with redox-active ligands: Synthesis, structure, electrochemical and photophysical behavior of Ru(II) complex with TTF-annulated phenanthroline. Inorg. Chem. 2013, 52, 8040-8052.

57. M. Armbruster, Kovnir, K., M. Friedrich, D. Teschner, G.Wowsnick, M. Hahne, P. Gille, L. Szentmiklosi, M. Feuerbacher, M. Heggen, F. Girgsdies, D. Rosenthal, R. Schlogl, Yu. Grin. Al13Fe4 as a low-cost alternative for palladium in heterogeneous hydrogenation. Nature Mater. 2012, 11, 690-693.

56. A.A. Yaroslavtsev, A.P. Menushenkov, R.V. Chernikov, W. Caliebe, I.A. Zaluzhnyy, C.M. Thompson, Kovnir, K., M. Shatruk. Resonant Inelastic X-ray Scattering (RIXS) on Magnetic EuCo2P2-Based Systems. JETP Lett. 2012, 96, 44-48.

55. A.P. Menushenkov, A.A. Yaroslavtsev, O.V. Grishina, R.V. Chernikov, A.A. Arico, C.M. Thompson, Kovnir, K., M. Shatruk. Local Electronic and Crystal Structure of Rare-Earth Cobalt Phosphides RCo2P2 Studied by XAFS Spectroscopy.
Solid State Phenom. 2012, 190, 200-203.

54. H. Phan, P. Chakraborty, M. Chen, Y.M. Calm, Kovnir, K., L.K. Keniley, Jr., J.M. Hoyt, E.S. Knowles, C. Besnard, M.W. Meisel, A. Hauser, C. Achim, M. Shatruk. Heteroleptic Fe(II) Complexes of 2,2'-Biimidazole and Its Alkylated Derivatives: Spin-Crossover and Photomagnetic Behavior. Chem. Eur. J. 2012, 18, 15805-15815.

53. J. Wang, A. Ozarowski, Kovnir, K., C.M. Thompson, A.A. Yaroslavtsev, R.V. Chernikov, N. Dalal, M. Shatruk. Trimetallic [M3(dpa)4]2+ complexes (M = Co, Ni) as building blocks for cyanide-bridged coordination polymers.
Eur. J. Inorg. Chem. 2012, 4652-4660.

52. G. Li, L. Ray, E.N. Glass, Kovnir, K., A. Khoroshutin, S.I. Gorelsky, M. Shatruk. Synthesis of panchromatic Ru(II) thienyl-dipyrrin complexes and evaluation of their light-harvesting capacity. Inorg. Chem. 2012, 51, 1614-1624.

51. S. Ray, Yu.V. Kolen'ko, Kovnir, K., O.I. Lebedev, S. Turner, T. Chakraborty, R. Erni, T. Watanabe, G. Van Tendeloo, M. Yoshimura, M. Itoh. Defect controlled room temperature ferromagnetism in Co-doped barium titanate nanocrystals.
Nanotechn. 2012, 23, 025702.

50. Kovnir, K., U. Stockert, S. Budnyk, Yu. Prots, M. Baitinger, S. Paschen, A.V. Shevelkov, Yu. Grin. Introducing a Magnetic Guest to a Tetrel-Free Clathrate: Synthesis, Structure, and Properties of EuxBa8-xCu16P30 (0 ≤ x ≤ 1.5).
Inorg. Chem. 2011, 50, 10387-10396.

49. Kovnir, K., V.O. Garlea, C.M. Thompson, H.D. Zhou, W.M. Reiff, A. Ozarowski, M. Shatruk. Spin-Glass Behavior in LaFexCo2-xP2 Solid Solutions: Interplay Between Magnetic Properties and Crystal and Electronic Structures.
Inorg. Chem. 2011, 50, 10274-10283.

48. C.M. Thompson, Kovnir, K., H.D. Zhou, M. Shatruk. Magnetism of Rare-Earth Cobalt Phosphides GdCo3P2 and GdCo5P3. Z. Anorg. Allg. Chem. 2011, 637, 2013-2017.

47. Kovnir, K., W.M. Reiff, A.P. Menushenkov, A.A. Yaroslavtsev, R.V. Chernikov, M. Shatruk. "Chemical Metamagnetism": From Antiferromagnetic PrCo2P2 to Ferromagnetic Pr0.8Eu0.2Co2P2 via Chemical Compression.
Chem. Mater. 2011, 23, 3021-3024.

46. A.V. Shevelkov, Kovnir, K. Zintl Clathrates. In Principles and Recent Developments in the field of Zintl Ions and Zintl Phases, Ed. T.F. Fassler. Structure & Bonding, Springer, 2011, 139, 97-142.

45. M. Armbrüster, Kovnir, K., Yu. Grin, R. Schlögl. Complex Metallic Phases in Catalysis. In Complex Metallic Alloys - Fundamentals and Applications. Eds.: J.-M. Dubois, E. Belin-Ferré, Wiley-VCH, 2011, 385-399.

44. Kovnir, K., M. Shatruk. Magnetism in Giant Unit Cells: Crystal Structure and Magnetic Properties of
R117Co52+δSn112+γ (R = Sm, Tb, Dy). Eur. J. Inorg. Chem. 2011, 3955-3962. BACK COVER FIGURE

43. C.M. Thompson, Kovnir, K., S. Eveland, M.J. Herring, M. Shatruk. Synthesis of ThCr2Si2-type arsenides from Bi flux. Chem. Comm. 2011, 47, 5563-5565.

42. S. Middey, S. Ray, K. Mukherjee, P.L. Paulose, E.V. Sampathkumaran, C. Meneghini, S.D. Kaushik, V. Siruguri, Kovnir, K., D.D. Sarma. Glasslike ordering and spatial inhomogeneity of magnetic structure in Ba3FeRu2O9: Role of Fe/Ru site disorder. Phys. Rev. B. 2011, 83, 144419.

41. I.V. Alabugin, B. Gold, M. Shatruk, Kovnir, K. On the "Single-Crystal X-ray Structure of 1,3-dimethyl-cyclobutadiene..." Science, 2010, 330, 1047.

40. M. Armbrüster, Kovnir, K., M. Behrens, Yu. Grin, R. Schlögl. Pd-Ga Intermetallic Compounds as Highly Selective Semi-Hydrogenation Catalysts. J. Amer. Chem. Soc. 2010, 132, 14745-14747.

39. J.K. Park, H.H. Lackey, M.D. Rexford, Kovnir, K., M. Shatruk, D.T. McQuade. A Chiral 6-Membered N-Heterocyclic Carbene Copper(I) Complex That Induces High Stereoselectivity Org. Lett. 2010, 12, 5008-5011.

38. J.V. Zaikina, T. Mori, Kovnir, K., D. Teschner, A. Senyshyn, U. Schwarz, Yu. Grin, A.V. Shevelkov. Bulk and surface structure and high temperature thermoelectric properties of inverse clathrate-III in the Si-P-Te system.
Chem. Europ. J. 2010, 16, 12582-12589. INSIDE COVER FIGURE

37. P. Gille, T. Ziemer, M. Schmidt, Kovnir, K., U. Burkhardt, M. Armbrüster. Growth of PdGa single crystals from the melt. Intermetallics, 2010, 18, 1663-1668.

36. Kovnir, K., C. M. Thompson, H.D. Zhou, C.R. Wiebe, M. Shatruk. Tuning Ferro- and Metamagnetic Transitions in Rare-Earth Cobalt Phosphides La1-xPrxCo2P2. Chem. Mater. 2010, 22, 1704-1713.

35. C.M. Thompson, A.A. Arico, Kovnir, K., M. Shatruk. Control of Magnetic Ordering by Altering Co-Co Distances in La0.9R0.1Co2P2 (R = Ce, Pr, Nd, and Sm) Phases with ThCr2Si2-type Structure. J. Appl. Phys. 2010, 107, 09E316.

34. L.K. Keniley, Jr., L. Ray, Kovnir, K., L. A. Dellinger, J.M. Hoyt, M. Shatruk. TTF-annulated phenanthroline and unexpected oxidative cleavage of the C=C bond in its Ru(II) complex. Inorg. Chem. 2010, 49, 1307-1309.

33. Kovnir, K., J. Osswald, M. Armbrüster, D. Teschner, G. Weinberg, U. Wild, A. Knop-Gericke, T. Ressler, Yu. Grin, R. Schlögl. Etching of intermetallic compounds PdGa and Pd3Ga7: an effective way to increase catalytic activity?
J. Catal. 2009, 264, 93-103.

32. Kovnir, K., M. Armbrüster, D. Teschner, T. Venkov, F.C. Jentoft, A. Knop-Gericke, Yu. Grin, R. Schlögl. In situ Surface Characterization of the Intermetallic Compound PdGa - A Highly Selective Hydrogenation Catalyst.
Surf. Sci. 2009, 603, 1784-1792.

31. J.V. Zaikina, Kovnir, K., U. Burkhardt, W. Schnelle, F. Haarmann, U. Schwarz, Yu. Grin, A. V. Shevelkov. Cationic Clathrate I Si46-xPxTey (6.6(1) ≤ y ≤ 7.5(1), x ≤ 2y): Crystal Structure, Homogeneity Range, and Physical Properties.
Inorg. Chem. 2009, 48, 3720-3730.

30. Kovnir, K., Yu.V. Kolen'ko, A.I. Baranov, I.S. Neira, A.V. Sobolev, M. Yoshimura, I.A. Presniakov, A.V. Shevelkov. Sn4As3 revisited: solvothermal synthesis and crystal and electronic structure.
J. Solid State Chem. 2009, 182, 630-639. COVER FIGURE

29. E. Galloway, M. Armbrüster, Kovnir, K., M.S. Tikhov, R.M. Lambert. Bromine-promoted PtZn is very effective for the chemoselective hydrogenation of crotonaldehyde. J. Catal. 2009, 261, 60-65.

28. J. Osswald, R. Giedigkeit, R.E. Jentoft, M. Armbrüster, F. Girgsdies, Kovnir, K., T. Ressler, Yu. Grin, R. Schlögl. Palladium Gallium Intermetallic Compounds for the Selective Hydrogenation of Acetylene. Part I. Preparation and Structural Investigation under Reaction Conditions. J. Catal. 2008, 258, 210-218.

27. J. Osswald, Kovnir, K., M. Armbrüster, R. Giedigkeit, R.E. Jentoft, U. Wild, Yu. Grin, R. Schlögl. Palladium Gallium Intermetallic Compounds fort he Selective Hydrogenation of Acetylene. Part II. Surface Characterization and Catalytic Performance. J. Catal. 2008, 258, 219-227.

26. J.V. Zaikina, Kovnir, K., F. Haarmann, W. Schnelle, U. Burkhardt, H. Borrmann, U. Schwarz, Yu. Grin, A.V. Shevelkov. Si172−xPxTey (x = 2y, y > 20) - The First Silicon-Based Cationic Clathrate III with High Thermal Stability.
Chem. Europ. J. 2008, 14, 5414-5422.

25. J.V. Zaikina, Kovnir, K., A.N. Sobolev, I.A. Presniakov, V.G. Kytin, V.A. Kulbachinskii, A.V. Olenev, O.I. Lebedev, G. Van Tendeloo, E.V. Dikarev, A.V. Shevelkov. Highly Disordered Crystal Structure and Thermoelectric Properties of Sn3P4.
Chem. Mater. 2008, 20, 2476-2483.

24. Kovnir, K., M. Schmidt, C. Waurisch, M. Armbrüster, Yu. Prots, Yu. Grin. Refinement of the crystal structure of dipalladium gallium, Pd2Ga. Z. Kristallogr. NCS. 2008, 223, 7-8.

23. Kovnir, K., D. Teschner, M. Armbrüster, P. Schnörch, M. Hävecker, A. Knop-Gericke, Yu. Grin, R. Schlögl. Pinning the catalytic centre: A new concept for catalysts development. BESSY Highlights 2007. 2007, 22-23.

22. J.V. Zaikina, Kovnir, K., U. Schwarz, H. Borrmann, A.V. Shevelkov. Crystal structure of silicon phosphorus telluride, Si46-xPxTey (y=7.35, 6.98, 6.88; x ≤ 2y), a cationic clathrate-I. Z. Kristallogr. NCS. 2007, 222, 177-179.

21. Kovnir, K., M. Armbrüster, D. Teschner, T.V. Venkov, F.C. Jentoft, A. Knop-Gericke, Yu. Grin, R. Schlögl. A New Approach to Well-Defined, Stable and Site-Isolated Catalysts. Sci. Techn. Adv. Mater. 2007, 8, 420-427.

20. J.V. Zaikina, W. Schnelle, Kovnir, K., A.V. Olenev, Yu. Grin, A.V. Shevelkov. Crystal structure, thermoelectric and magnetic properties of the type-I clathrate solid solutions Sn24P19.3(2)BrxI8-x (0 ≤ x ≤ 8) and Sn24P19.3(2)ClyI8-y (y ≤ 0.8). Solid State Sciences, 2007, 9, 664-671.

19. Yu.V. Kolen;ko, Kovnir, K., I.S. Neira, T. Taniguchi, T. Ishigaki, T. Watanabe, N. Sakamoto, M. Yoshimura A Novel, Controlled, and High-Yield Solvothermal Drying Route to Nanosized Barium Titanate Powders.
J. Phys. Chem. C, 2007, 111, 7306-7318.

18. J.V. Zaikina, Kovnir, K., A.V. Sobolev, I.A. Presniakov, Yu. Prots, M. Baitinger, W. Schnelle, A.V. Olenev, O.I. Lebedev, G. Van Tendeloo, Yu. Grin, A.V. Shevelkov. Sn20.53.5As22I8: a largely disordered cationic clathrate with a new type of superstructure and abnormally low thermal conductivity. Chem. Europ. J. 2007, 13, 5090-5099.

17. Kovnir, K., Yu.V. Kolen;ko, S. Ray, J. Li, T. Watanabe, M. Itoh, M. Yoshimura, A.V. Shevelkov. A Facile High-Yield Solvothermal Route to Tin Phosphide Sn4P3. J. Solid State Chem. 2006, 179, 3756-3762.

16. Kovnir, K., J. Osswald, M. Armbrüster, R. Giedigkeit, T. Ressler, Yu. Grin, R. Schlögl. PdGa and Pd3Ga7: Highly-Selective Catalysts for the Acetylene Partial Hydrogenation. Stud. Surf. Sci. Catal. 2006, 162, 481-488.

15. M. Armbrüster, Kovnir, K., J. Osswald, R. Giedigkeit, T. Ressler, Yu. Grin, R. Schlögl. PdGa - ein selektiver Katalysator für die Semihydrierung von Acetylen. Z. Anorg. Allg. Chem. 2006, 2083.

14. Kovnir, K., N.S. Abramchuk, J.V. Zaikina, M. Baitinger, U. Burkhardt, W. Schnelle, A.V. Olenev, O.I. Lebedev, G. Van Tendeloo, E.V. Dikarev, A.V. Shevelkov. Ge40.0Te5.3I8: Synthesis, Crystal Structure, and Properties of a New Clathrate-I Compound. Z. Kristallogr. 2006, 221, 527-532.

13. Y.V. Kolen'ko, Kovnir, K., A.I. Gavrilov, A.V. Garshev, J. Frantti, O.I. Lebedev, B. R. Churagulov, G. Van Tendeloo, M. Yoshimura. Hydrothermal Synthesis and Characterization of Nanorods of Various Titanates and Titanium Dioxide.
J. Phys. Chem. B, 2006, 110, 4030-4038.

12. Kovnir, K., A.V. Sobolev, I.A. Presniakov, O.I. Lebedev, G. Van Tendeloo, W. Schnelle, Yu. Grin, A.V. Shevelkov. Sn19.3Cu4.7As22I8: A New Clathrate-I Compound with Transition-Metal Atoms in the Cationic Framework.
Inorg. Chem. 2005, 44, 8786-8793.

11. Yu.V. Kolen'ko, Kovnir, K., A.I. Gavrilov, A.V. Garshev, P.E. Meskin, B.R. Churagulov, M. Bouchard, C. Colbeau-Justin, O.I. Lebedev, G. Van Tendeloo, M. Yoshimura. Structural, Textural, and Electronic Properties of a Nanosized Mesoporous ZnxTi1-xO2-x Solid Solution Prepared by a Supercritical Drying Route. J. Phys. Chem. B, 2005, 109, 20303-20309.

10. Kovnir, K., M.M. Shatruk, L.N. Reshetova, I.A. Presniakov, E.V. Dikarev, M. Baitinger, F. Haarmann, W. Schnelle, M. Baenitz, Yu. Grin, A.V. Shevelkov. Novel Compounds Sn20Zn4P22-VI8 (V = 1.2), Sn17Zn7P22I8, and Sn17Zn7P22Br8: Synthesis, Properties, and Special Features of their Clathrate-Like Crystal Structures. Solid State Sci. 2005, 7, 957-968.

9. A.I. Gavrilov, A.V. Garshev, Kovnir, K., B.R. Churagulov, Yu.V. Kolen'ko, Yu.D. Tretyakov. Hydrothermal Synthesis of One-Dimensional (1D) NaxTiO2 Nanostructures. Russ. Chem. Bull. 2005, 54, 71-74.

8. Kovnir, K., A.V. Shevelkov. Semiconducting Clathrates: Synthesis, Structure, and Properties.
Russ. Chem. Rev. 2004, 73, 999-1015. REVIEW.

7. Kovnir, K., A.N. Uglov, J.V. Zaikina, A.V. Shevelkov. Synthesis and Structure of the [Si40P6]I6.5 Cationic Clathrate.
Mend. Commun. 2004, 14, 135.

6. Kovnir, K., J.V. Zaikina, L.N. Reshetova, A.V. Olenev, E.V. Dikarev, A.V. Shevelkov. Unusually High Chemical Compressibility of Normally Rigid Type-I Clathrate Framework: Synthesis and Structural Study of Sn24P19.3BrxI8-x Solid Solution, the Prospective Thermoelectric Material. Inorg. Chem. 2004, 43, 3230-3236.

5. L.N. Reshetova, J.V. Zaikina, A.V. Shevelkov, Kovnir, K., M. Lindsjo, L. Kloo. Tin Polycationic Clathrates: Interrelationship between Composition and Crystal and Electronic Structure. Z. Anorg. Allg. Chem. 2002, 628, 2145.

4. M.M. Shatruk, Kovnir, K., M. Lindsjö, I.A. Presniakov, L.A. Kloo, A.V. Shevelkov. Novel Compounds Sn10In14P22I8 and Sn14In10P21.2I8 with Clathrate-I Structure: Synthesis and Crystal and Electronic Structure.
J. Solid State Chem. 2001, 161, 233-242.

3. M.M. Shatruk, Kovnir, K., A.V. Shevelkov, B.A. Popovkin. Ag3SnP7: A Polyphosphide with a Unique œ1(P7) Chain and a Novel Ag3Sn Heterocluster. Angew. Chem. Int. Ed. Engl. 2000, 39, 2508-2509.

2. M.M. Shatruk, Kovnir, K., A.V. Shevelkov, B. A. Popovkin. A Novel Zintl Phase Sn19.3Cu4.7P22I8 with the Clathrate-I Type Structure: the Synthesis and Structure. Russ. J. Inorg. Chem. 2000, 45, 203-209.

1. M.M. Shatruk, Kovnir, K., A.V. Shevelkov, I.A. Presniakov, B.A. Popovkin. First Tin Pnictide Halides Sn24P19.3I8 and Sn24As19.3I8: Synthesis and the Clathrate-I Type of the Crystal Structure. Inorg. Chem. 1999, 38, 3455-3457.

Patents

5. M. Armbrüster, Kovnir, K., P. Gille, M. Heggen, M. Feuerbacher, Yu. Grin, R. Schlögl. Ordered cobalt-aluminum and iron-aluminum intermetallic compounds as hydrogenation catalysts. International Patent PCT/EP2010/053682, 2010; European Patent EP2241393A1, 2009; US Patent US20100280295A1, 2009.

4. M. Armbrüster, M. Schmidt, Kovnir, K., M. Friedrich, K. Weinhold, Yu. Grin, R. Schlögl. Preparation of intermetallic compounds via gas phase and nanoparticle syntheses. European Patent EP08849618.7, 2010; US Patent US-2010-0261939-A1, 2010; International Patent PCT/EP2008/064668, 2008.

European Patent, EP0804365.8, 2010; US patent US2010/0280295 A1, 2010; International Patent PCT/EP2008/062424, 2008.

2. J. Osswald, R. Giedigkeit, M. Armbrüster, Kovnir, K., R.E. Jentoft, T. Ressler, Y. Grin, R. Schlögl. Palladium-Gallium Intermetallic Compounds as Catalysts for the Selective Hydrogenation of Acetylene. International Patent WO2007104569, 2007; Canadian Patent CA2646099, 2008; Chinese Patent CN0780009214, 2008; European Patent EP07723306, 2008; Indonesian Patent ID200802979, 2008; Japan Patent JP2008-558727, 2008; Malaysian Patent MA06005310, 2008; Singapore Patent SG00806762-1, 2008; US Patent US12/282920, 2008.

1. A. Alekseeva, Kovnir, K., P. Chizhov, M. Baitinger, Yu. Grin. Materials Purification by Treatment with Hydrogen-Based Plasma. European Patent, EP1893320, 2006; US Patent US7, 611,686; International Patent WO 2006/122794 A2, 2006.