Synthesis, characterization and properties of the new ionic intercalation compound (NH+ 4)0.22TiS0.22- 2

M. J. McKelvy, G. W. O'Bannon, E. M. Larson, R. B. Von Dreele, W. S. Glaunsinger, R. F. Marzke, J. Eckert, N. L. Ross

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Abstract

The new ionic intercalation compound (NH+ 4)0.22TiS0.22- 2 has been synthesized by vacuum deintercalation of ammoniated TiS2, characterized by thermogravimetric analysis and powder X-ray diffraction, and examined by SQUID magnetometry (indirectly), differential scanning calorimetry, incoherent inelastic neutron scattering, and nuclear magnetic resonance. Although the diffraction pattern of this compound resembles a stage-II structure in which every other van der Waals gap is occupied by NH+ 4 it cannot be indexed completely on this basis. Magnetic and calorimetric measurements show that one electron is transferred to the host TiS2 conduction band per NH+ 4 cation and that the deintercalation enthalpy of NH+ 4 is 22 kcal/mol NH+ 4, respectively. Neutron scattering has provided evidence for an NH+ 4 torsional fundamental mode at 215 cm-1. The proton NMR linewidth and spin-lattice relaxation time are independent of temperature between 100 and 540 K, and the linewidth of 2.6 ± 0.3 G is in good agreement with that calculated for isotropic reorientation of the NH+ 4 cations.

Original languageEnglish (US)
Pages (from-to)1323-1333
Number of pages11
JournalMaterials Research Bulletin
Volume21
Issue number11
DOIs
StatePublished - 1986

Fingerprint

Intercalation compounds
intercalation
Linewidth
magnetic measurement
Cations
neutron scattering
Positive ions
Nuclear magnetic resonance
cations
nuclear magnetic resonance
Inelastic neutron scattering
Spin-lattice relaxation
SQUIDs
synthesis
Neutron scattering
Conduction bands
spin-lattice relaxation
Relaxation time
X ray powder diffraction
Diffraction patterns

ASJC Scopus subject areas

  • Ceramics and Composites
  • Materials Chemistry

Cite this

McKelvy, M. J., O'Bannon, G. W., Larson, E. M., Von Dreele, R. B., Glaunsinger, W. S., Marzke, R. F., ... Ross, N. L. (1986). Synthesis, characterization and properties of the new ionic intercalation compound (NH+ 4)0.22TiS0.22- 2 Materials Research Bulletin, 21(11), 1323-1333. https://doi.org/10.1016/0025-5408(86)90067-X

Synthesis, characterization and properties of the new ionic intercalation compound (NH+ 4)0.22TiS0.22- 2 . / McKelvy, M. J.; O'Bannon, G. W.; Larson, E. M.; Von Dreele, R. B.; Glaunsinger, W. S.; Marzke, R. F.; Eckert, J.; Ross, N. L.

In: Materials Research Bulletin, Vol. 21, No. 11, 1986, p. 1323-1333.

Research output: Contribution to journalArticle

McKelvy, MJ, O'Bannon, GW, Larson, EM, Von Dreele, RB, Glaunsinger, WS, Marzke, RF, Eckert, J & Ross, NL 1986, 'Synthesis, characterization and properties of the new ionic intercalation compound (NH+ 4)0.22TiS0.22- 2 ', Materials Research Bulletin, vol. 21, no. 11, pp. 1323-1333. https://doi.org/10.1016/0025-5408(86)90067-X
McKelvy, M. J. ; O'Bannon, G. W. ; Larson, E. M. ; Von Dreele, R. B. ; Glaunsinger, W. S. ; Marzke, R. F. ; Eckert, J. ; Ross, N. L. / Synthesis, characterization and properties of the new ionic intercalation compound (NH+ 4)0.22TiS0.22- 2 In: Materials Research Bulletin. 1986 ; Vol. 21, No. 11. pp. 1323-1333.
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abstract = "The new ionic intercalation compound (NH+ 4)0.22TiS0.22- 2 has been synthesized by vacuum deintercalation of ammoniated TiS2, characterized by thermogravimetric analysis and powder X-ray diffraction, and examined by SQUID magnetometry (indirectly), differential scanning calorimetry, incoherent inelastic neutron scattering, and nuclear magnetic resonance. Although the diffraction pattern of this compound resembles a stage-II structure in which every other van der Waals gap is occupied by NH+ 4 it cannot be indexed completely on this basis. Magnetic and calorimetric measurements show that one electron is transferred to the host TiS2 conduction band per NH+ 4 cation and that the deintercalation enthalpy of NH+ 4 is 22 kcal/mol NH+ 4, respectively. Neutron scattering has provided evidence for an NH+ 4 torsional fundamental mode at 215 cm-1. The proton NMR linewidth and spin-lattice relaxation time are independent of temperature between 100 and 540 K, and the linewidth of 2.6 ± 0.3 G is in good agreement with that calculated for isotropic reorientation of the NH+ 4 cations.",
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