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57^Fe-Mossbauer spectroscopy on natural eosphorite-childrenite-ernstite samples


da Costa, Geraldo Magela; Scholz, Ricardo; Karfunkel, Joachim; Bermanec, Vladimir; De Sa Carneiro Chaves, Mario Luiz
57^Fe-Mossbauer spectroscopy on natural eosphorite-childrenite-ernstite samples // Physics and chemistry of minerals, 31 (2005), 10; 714-720 doi:10.1007/s00269-004-0434-7 (međunarodna recenzija, članak, znanstveni)


CROSBI ID: 202368 Za ispravke kontaktirajte CROSBI podršku putem web obrasca

Naslov
57^Fe-Mossbauer spectroscopy on natural eosphorite-childrenite-ernstite samples
(57^Fe-Moessbauer spectroscopy on natural eosphorite-childrenite-ernstite samples)

Autori
Da Costa, Geraldo Magela ; Scholz, Ricardo ; Karfunkel, Joachim ; Bermanec, Vladimir ; De Sa Carneiro Chaves, Mario Luiz

Izvornik
Physics and chemistry of minerals (0342-1791) 31 (2005), 10; 714-720

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
eosphorite; childrenite; ernstite; pegmatite; Moessbauer spectra; Brazil

Sažetak
Samples of the eosphorite-childrenite [(Mn^2+, Fe^2+)AlPO_4(OH)2H_2O] series from Divino das Laranjeiras and Aracuai(Minas Gerais State) and Parelhas (Rio Grande do Norte State) pegmatites have been investigated by X-ray diffraction, microprobe analysis and Moessbauer spectroscopy at 295 and 77K. The Moessbauer spectra of ernstite [(Mn^2+, Fe^3+)AlPO_4(OH)_2-xO_x] showed the existance of ferric ions seem to be located in both sites, and no Fe^3+ could be detected. The interpretation of the Moessbauer spectra of both, oxidised and nonoxidised samples, is difficult because the hyperfine parameters of these minerals are rather similar, rendering it difficult to make proper site assignments.

Izvorni jezik
Engleski

Znanstvena područja
Geologija



POVEZANOST RADA


Projekti:
0098132
0119420

Ustanove:
Prirodoslovno-matematički fakultet, Zagreb

Profili:

Avatar Url Vladimir Bermanec (autor)

Poveznice na cjeloviti tekst rada:

doi www.springerlink.com

Citiraj ovu publikaciju:

da Costa, Geraldo Magela; Scholz, Ricardo; Karfunkel, Joachim; Bermanec, Vladimir; De Sa Carneiro Chaves, Mario Luiz
57^Fe-Mossbauer spectroscopy on natural eosphorite-childrenite-ernstite samples // Physics and chemistry of minerals, 31 (2005), 10; 714-720 doi:10.1007/s00269-004-0434-7 (međunarodna recenzija, članak, znanstveni)
Da Costa, G., Scholz, R., Karfunkel, J., Bermanec, V. & De Sa Carneiro Chaves, M. (2005) 57^Fe-Mossbauer spectroscopy on natural eosphorite-childrenite-ernstite samples. Physics and chemistry of minerals, 31 (10), 714-720 doi:10.1007/s00269-004-0434-7.
@article{article, year = {2005}, pages = {714-720}, DOI = {DOI 10.1007/s00269-004-0434-7}, keywords = {eosphorite, childrenite, ernstite, pegmatite, Moessbauer spectra, Brazil}, journal = {Physics and chemistry of minerals}, doi = {DOI 10.1007/s00269-004-0434-7}, volume = {31}, number = {10}, issn = {0342-1791}, title = {57\^{}Fe-Mossbauer spectroscopy on natural eosphorite-childrenite-ernstite samples}, keyword = {eosphorite, childrenite, ernstite, pegmatite, Moessbauer spectra, Brazil} }
@article{article, year = {2005}, pages = {714-720}, DOI = {DOI 10.1007/s00269-004-0434-7}, keywords = {eosphorite, childrenite, ernstite, pegmatite, Moessbauer spectra, Brazil}, journal = {Physics and chemistry of minerals}, doi = {DOI 10.1007/s00269-004-0434-7}, volume = {31}, number = {10}, issn = {0342-1791}, title = {57\^{}Fe-Moessbauer spectroscopy on natural eosphorite-childrenite-ernstite samples}, keyword = {eosphorite, childrenite, ernstite, pegmatite, Moessbauer spectra, Brazil} }

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus


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