Zpět

prof. RNDr. Jiří Englich, DrSc.

Tel.: 22191 2563
E-mail.: englich@mbox.troja.mff.cuni.cz



Odborné zájmy

Radiofrekvenční spektroskopie kondensované fáze, návrh a konstrukce prvého (home-made) pulzního spektrometru NMR na MFF UK

Odborný životopis

2004
jmenování profesorem experimenální fyziky a ustanovení profesorem na KFNT MFF UK

2003
habilitace

1994
DrSc., doktorská práce: NMR v magnetikách

1988
jmenován docentem

1976
CSc.

1967
RNDr.

1961-1966
Matematicko-fyzikální fakulta UK v Praze, obor fyzika pevných látek

Dlouhodobé zahraniční pobyty

1985-90
účast na experimentech s NMR ON v SÚJV v Dubně

1980,1984
pobyty v IFF v Juelichu (SRN)

1975
roční pobyt na univerzitě ve Stuttgartu v rámci stipendia DAAD

Další zkušenosti

pedagogická činnost ve všech formách výuky na MFF UK, vedení a příprava úloh pro kurzy fyzikálních praktik, přednášky v oboru fyzika kondenzovaných a makromolekulárních látek (FKML) a v oboru biofyzika; vedení diplomových prací (12) a doktorandů (6);

1989,1994
člen organizačních výborů mezinárodních konferencí HFI´89 (1989) a LT21 (1994)

2002 - 6
vedoucí Katedry fyziky nízkých teplot

do 1999
předseda správní rady Bolzanova gymnázia při MFF UK člen a 6 let předseda správní rady Nadačního Fondu Bernarda Bolzana (podpora vědecké práce studentů a mladých zaměstnanců MFF UK)

autor učebnice "Úvod do praktické fyziky I", spoluautor učebnice "Experimentální metody biofyziky" a dále několika skript autor a spoluautor více než 70 původních vědeckých prací, řady výzkumných zpráv a dalších odborných textů


Seznam publikací

  1. Sedlak B., Kouril K., Chlan V., Reznicek R., Kristan P., Pfeffer M., ENGLICH J., Stepankova H.; Tuned Probehead for NMR Spectroscopy in Magnetically Ordered Materials; ACTA PHYSICA POLONICA A 118(5); 2010; 924-925;
  2. Chlan V., Stepankova H., ENGLICH J., Reznicek R., Kouril K., Kucera M., Nitsch K.; Antisite Defects in Epitaxial Films of Lutetium Doped Yttrium Iron Garnets Studied by Nuclear Magnetic Resonance; ACTA PHYSICA POLONICA A 118(5); 2010; 846-847;
  3. Prochazka V., Stepankova H., Sedlak B., Kapusta Cz., Knizek K., Jirak Z., ENGLICH J., Reznicek R.; NMR study of LaMn(1-x)Co(x)O(3) perovskites; JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS 320(14); 2008; E12-E15; doi: 10.1016/j.jmmm.2008.02.006
  4. Chlan V., Gamaliy E., Stepankova H., Kouril K., Englich J, Kohout J., Brabers V.; Nuclear magnetic resonance of Fe-57 in Al-, Ga- and Ti-substituted magnetite above Verwey temperature; JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS 310(2 Part 3); 2007; 2555-2557; doi: 10.1016/j.jmmm.2006.10.867
  5. Chlan V., Novak P., Stepankova H., ENGLICH J., Kuriplach J., Niznansky D.; Hyperfine interactions in lutetium iron garnet; JOURNAL OF APPLIED PHYSICS 99(8); 2006; doi: 10.1063/1.2158687
  6. Kouril K, Kohout J, Stepankova H, Englich J, Chlan V; Nuclear magnetic resonance of Fe-57 from magnetic domains and walls in yttrium iron garnet; ACTA PHYSICA SLOVACA 56(2); 2006; 31-34;
  7. Stepankova H, Englich J, Stepanek J, Kohout J, Pfeffer M, Cerna J, Chlan V, Prochazka V, Bunyatova E; Nuclear spin-lattice relaxations in ethanol with dissolved TEMPO radicals; ACTA PHYSICA SLOVACA 56(2); 2006; 141-144;
  8. Kouril K, Kohout J, Stepankova H, Englich J, Chlan V; Nuclear magnetic resonance of Fe-57 from magnetic domains and walls in yttrium iron garnet; ACTA PHYSICA SLOVACA 56(1); 2006; 31-34;
  9. Chlan V, Stepankova H, Prochazka V, Englich J, Kohout J, Niznansky D, Bursik J; Antisite defects in lutetium and yttrium iron garnets prepared by liquid mix technique; JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS 290(Part 2 SI); 2005; 993-996; doi: 10.1016/j.jmmm.2004.11.307
  10. Kohout J, Gamaliy E, Stepankova H, Englich J, Prochazka V, Chlan V, Brabers VAM; NMR of Fe-57, Ga-69 and Ga-71 in Ga substituted magnetite; JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS 290(Part 2 SI); 2005; 1018-1020; doi: 10.1016/j.jmmm.2004.11.348
  11. Kohout J., Gamaliy E., Stepankova H., ENGLICH J., Novak P., Brabers V. A. M.; NMR of Fe-57 below and around the Verwey transition in Al-substituted magnetite; JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS 272(1); 2004; E1687-E1688; doi: 10.1016/j.jmmm.2003.12.517
  12. Prochazka V., Kohout J., Stepankova H., ENGLICH J., Kuriplach J., Niznansky D.; Hyperfine interactions of Gd-155 and Gd-157 in gadolinium iron garnet; JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS 272(1); 2004; E1689-E1690; doi: 10.1016/j.jmmm.2003.12.504
  13. Stepankova H., ENGLICH J., Gamaliy E., Kucera M., Marysko M., Nitsch K., Novak P.; NMR spectra and relaxations of Fe-57 in calcium-doped yttrium iron garnet films; JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS 272(1); 2004; E1685-E1686; doi: 10.1016/j.jmmm.2003.12.505
  14. Kobler U, Englich J, Hupe O, Hesse J; Effective spin quantum numbers in iron, cobalt and nickel; PHYSICA B-CONDENSED MATTER 339(4); 2003; 156-163; doi: 10.1016/j.physb.2003.08.116
  15. Gamaliy E, Stepankova H, Englich J, Kohout J, Snezhko A, Novak P, Brabers VAM; NMR of Fe-57 above the Verwey transition in Al-substituted magnetite; JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS 242(Part 2); 2002; 732-734; doi: 10.1016/S0304-8853(01)01036-8
  16. Kohout J, Englich J, Stepankova H, Kuriplach J, Niznansky D; Hyperfine interaction of Gd-155 in gadolinium iron garnet; JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS 242(Part 2); 2002; 763-765; doi: 10.1016/S0304-8853(01)01014-9
  17. Kobler U, Hoser A, Englich J, Snezhko A, Kawakami M, Beyss M, Fischer K; On the failure of the Bloch-Kubo-Dyson spin wave theory; JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 70(10); 2001; 3089-3097; doi: 10.1143/JPSJ.70.3089
  18. Snezhko A, Englich J, Kohout J, Stepankova H; Temperature dependence of satellite structure of yttrium iron garnet Y3+ (a) defects and Al3+ (d) substitutions: experiment and model; JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS 234(2); 2001; 227-232; doi: 10.1016/S0304-8853(01)00346-8
  19. Savosta MM, Doroshev VD, Borodin VA, Pashkevich YG, VI, Tarasenko TN, Englich J, Kohout J, Soldatov AG, Barilo SN, Shiryaev SV; Nuclear quadrupole resonance of barium in BaBiO3 and BaPbO3; PHYSICAL REVIEW B 63(18); 2001;
  20. Snezhko A, Englich J, Kohout J, Stepankova H; Application of the Bethe-Peierls-Weiss method to yttrium iron garnet containing Y3+ impurity; 373-3; 2001; 381-384;
  21. Savosta MM, Englich J, Kohout J, Doroshev VD, Borodin VA, Pashkevich YG, Soldatov AG, Barilo SN, Shiryaev SV; The valence state of bismuth in BaBiO3 probed by NQR; PHYSICA C 341(Part 2); 2000; 943-944; doi: 10.1016/S0921-4534(00)00747-4
  22. Savosta MM, Novak P, Marysko M, Jirak Z, Hejtmanek J, Englich J, Kohout J, Martin C, Raveau B; Coexistence of antiferromagnetism and ferromagnetism in Ca1-xPrxMnO3 (x; PHYSICAL REVIEW B 62(14); 2000; 9532-9537; doi: 10.1103/PhysRevB.62.9532
  23. Stepankova H, Englich J, Kohout J; Fe-57 hyperfine field anisotropy in ferrites and its relation to the non-uniformity of the ionic surrounding; ACTA PHYSICA POLONICA A 97(5); 2000; 757-760;
  24. Kohout J, Stepankova H, Englich J, Novak P, Kucera M, Nitsch K; Hyperfine field in YIG with charged substitution; ACTA PHYSICA POLONICA A 97(3); 2000; 519-522;
  25. Stepankova H, Kohout J, Englich J, Novak P; Anisotropy of the hyperfine field on Fe-57 in pure and substituted yttrium iron garnet; HYPERFINE INTERACTIONS 131(1-4); 2000; 3-19; doi: 10.1023/A:1011014920070
  26. Novak P, Stepankova H, Englich J, Kohout J, Brabers VAM; NMR in magnetite below and around the Verwey transition; PHYSICAL REVIEW B 61(2); 2000; 1256-1260; doi: 10.1103/PhysRevB.61.1256
  27. Snezhko A, Englich J, Kohout J, Stepankova H, de Gronckel H; Temperature dependence of NMR spectra in YIG with nonmagnetic impurities; JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS 196; 1999; 410-411; doi: 10.1016/S0304-8853(98)00782-3
  28. Stepankova H, Novak P, Englich J, Kohout J, Caspary EG, Kucera M, Nitsch K, de Gronckel H; Applicability of NMR to impurities detection in YIG thin films; JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS 196; 1999; 412-414; doi: 10.1016/S0304-8853(98)00784-7
  29. Kohout J, Stepankova H, Englich J, Novak P, Kucera M, Nitsch K, de Gronckel H; Anisotropy of iron hyperfine field in Ga-substituted YIG; JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS 196; 1999; 415-417; doi: 10.1016/S0304-8853(98)00786-0
  30. Stepankova H, Caspary EG, Englich J, Kohout J, Kucera M Novak P, Nitsch K, Savosta MM, Lutgemeier H, de Gronckel HAM; Charged substitutions in yttrium iron garnets; JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS 185(2); 1998; 225-227; doi: 10.1016/S0304-8853(98)00015-8
  31. Englich J, Novak P, Lutgemeier H; Defects in ferrites studied by Fe-57 NMR; INTERNATIONAL JOURNAL OF MODERN PHYSICS B 12(6); 1998; 609-635; doi: 10.1142/S0217979298000375
  32. Stepankova H, Kohout J, Novak P, Englich J, Caspary EG, Lutgemeier H; Dependence of Fe-57 hyperfine field in yttrium iron garnet on ionic radius of diamagnetic defects: NMR study; AUSTRALIAN JOURNAL OF PHYSICS 51(2); 1998; 437-452;
  33. Stepankova H, Kohout J, Novak P, Englich J, Lutgemeier H, Trhlik M; Hyperfine field anisotropy in YIG with diamagnetic impurities; JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS 177; 1998; 239-240; doi: 10.1016/S0304-8853(97)00240-0
  34. Stepankova H, Englich J, Caspary EG, Lutgemeier H; Hyperfine field anisotropy on iron nuclei in barium hexaferrite; JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS 177; 1998; 253-254; doi: 10.1016/S0304-8853(97)00268-0
  35. Novak P, Englich J, Stepankova H, Kohout J, Lutgemeier H, Wagner K, Tolksdorf W; Antisite defects in yttrium iron garnet; JOURNAL DE PHYSIQUE IV 7(C1); 1997; 283-286; doi: 10.1051/jp4:19971112
  36. Englich J, Kohout J, Stepankova H, Novak P, Nekvasil M, Lutgemeier H; Umbrella structure in Pr, Nd and Yb substituted YIG studied by Fe-57 NMR; JOURNAL DE PHYSIQUE IV 7(C1); 1997; 295-296; doi: 10.1051/jp4:19971117
  37. Kohout J, Stepankova H, Englich J, Novak P, Lutgemeier H; The effect of diamagnetic defect in YIG on the hyperfine field anisotropy; JOURNAL DE PHYSIQUE IV 7(C1); 1997; 449-450; doi: 10.1051/jp4:19971182
  38. Wagner K, Lutgemeier H, Zinn W, Gerhardt R, Dotsch H, Kucera M, Englich J, Nitsch K, Novak P; Influence of impurities and defects on the nuclear relaxation in YIG films; JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS 161; 1996; 57-64; doi: 10.1016/S0304-8853(96)00041-8
  39. Stepankova H, Englich J, Nejezchleba M, Kohout J, Lutgemeier H; Fe-57 NMR study of magnetization processes in barium hexaferrites; JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS 157; 1996; 393-394; doi: 10.1016/0304-8853(95)01208-7
  40. NOVAK P, ENGLICH J and STEPANKOVA H, KOHOUT J, LUTGEMEIER H, WAGNER K, TOLKSDORF W; EVIDENCE FOR MAGNETIC-INTERACTIONS BETWEEN DISTANT CATIONS IN YITTRIUM IRON-GARNET; PHYSICAL REVIEW LETTERS 75(3); 1995; 545-548; doi: 10.1103/PhysRevLett.75.545
  41. STEPANKOVA H, ENGLICH J and KOHOUT J, LUTGEMEIER H; FE-57 NMR IN BAFE2-W HEXAGONAL FERRITE; JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS 140(Part 3); 1995; 2099-2100;
  42. WAGNER K, LUTGEMEIER H, ZINN W, NOVAK P, ENGLICH J and DOTSCH H, SURE S; DEFECTS IN YTTRIUM-IRON-GARNET STUDIED BY NMR ON IRON NUCLEI; JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS 140(Part 3); 1995; 2107-2108; doi: 10.1016/0304-8853(94)00642-3
  43. KOHOUT J, ENGLICH J and NOVAK P, WAGNER K, LUTGEMEIER H; TEMPERATURE-DEPENDENCE OF THE FE-57 HYPERFINE FIELD IN SUBSTITUTED YTTRIUM IRON GARNETS; JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS 140(Part 3); 1995; 2125-2126; doi: 10.1016/0304-8853(94)00983-X
  44. ENGLICH J and KOHOUT J, NOVAK P; NMR-STUDY OF UMBRELLA STRUCTURE IN DY SUBSTITUTED YIG; IEEE TRANSACTIONS ON MAGNETICS 30(2); 1994; 972-974; doi: 10.1109/20.312462
  45. STEPANKOVA H, ENGLICH J and LUTGEMEIER H; NMR-STUDY OF GA AND AL SUBSTITUTED HEXAGONAL FERRITES WITH MAGNETOPLUMBITE STRUCTURE; IEEE TRANSACTIONS ON MAGNETICS 30(2); 1994; 988-990; doi: 10.1109/20.312467
  46. KOHOUT J, ENGLICH J and SEDLAK B, STEPANKOVA H, TRHLIK M, LUTGEMEIER H; NUCLEAR-SPIN-LATTICE RELAXATION IN FERROMAGNETIC AMORPHOUS-ALLOYS FE81CO3B16 AND FE70CO10B20 MEASURED BY NMR AND NUCLEAR ORIENTATION; HYPERFINE INTERACTIONS 78(1-4); 1993; 511-514; doi: 10.1007/BF00568184
  47. STEPANKOVA H, ENGLICH J and NOVAK P, LUTGEMEIER H; NMR-STUDY OF LA-3+ SUBSTITUTED HEXAGONAL FERRITES WITH MAGNETOPLUMBITE STRUCTURE; JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS 104(Part 1); 1992; 409-410; doi: 10.1016/0304-8853(92)90855-I
  48. CAMPOS A, ENGLICH J and LUTGEMEIER H, MARYSKO M, NOVAK P, ZINN W; MAGNETIZATION PROCESS AND SITE PREFERENCE OF BI IN YIG-BI EPITAXIAL-FILMS STUDIED BY FE-57 NMR; JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS 104(Part 1); 1992; 431-432; doi: 10.1016/0304-8853(92)90866-M
  49. ENGLICH J and NOVAK P, LUTGEMEIER H; MODIFICATION OF HYPERFINE FIELD ON FE-57 NUCLEI IN SUBSTITUTED FERRIMAGNETIC GARNETS; HYPERFINE INTERACTIONS 59(1-4); 1990; 283-288; doi: 10.1007/BF02401229
  50. ENGLICH J and STEPANKOVA H, SECHOVSKY V, DVORAKOVA I, LUTGEMEIER H; HYPERFINE FIELDS ON CO-59 IN RECO2; HYPERFINE INTERACTIONS 59(1-4); 1990; 489-492; doi: 10.1007/BF02401279
  51. ENGLICH J and NOVAK P, KURIPLACH J, LUTGEMEIER H; TEMPERATURE-DEPENDENCE OF FE-57 HYPERFINE FIELD IN GD-YIG; HYPERFINE INTERACTIONS 59(1-4); 1990; 493-496; doi: 10.1007/BF02401280
  52. STEPANKOVA H, ENGLICH J and NOVAK P, SEDLAK B, PFEFFER M; NMR-SPECTRA OF FE-57 IN HEXAGONAL FERRITES WITH MAGNETOPLUMBITE STRUCTURE; HYPERFINE INTERACTIONS 50(1-4); 1989; 639-643; doi: 10.1007/BF02407702
  53. ENGLICH J and STEPANKOVA H, SECHOVSKY V, LUTGEMEIER H; NMR OF CO-59 IN HOCO2 SUBSTITUTED BY AL AND CU; HYPERFINE INTERACTIONS 50(1-4); 1989; 729-732; doi: 10.1007/BF02407715
  54. TRHLIK M, SEDLAK B, ENGLICH J and KAPUSTA S, ROTTER M, LESNER T, CIZEK P, FINGER M, KISDIKOSZO E, LOVAS A; NUCLEAR-SPIN LATTICE-RELAXATION OF CO-60 IN THE GLASSY ALLOY CO3.1FE80.5B16.4 STUDIED BY LOW-TEMPERATURE NUCLEAR ORIENTATION; JOURNAL OF PHYSICS F-METAL PHYSICS 18(10); 1988; 2283-2289; doi: 10.1088/0305-4608/18/10/017
  55. NOVAK P, ENGLICH J and LUTGEMEIER H; ENHANCEMENT OF EXCHANGE INTERACTIONS IN BI-SUBSTITUTED AND LA-SUBSTITUTED Y3FE5O12; PHYSICAL REVIEW B 37(16); 1988; 9712-9715; doi: 10.1103/PhysRevB.37.9712
  56. BROZ D, NOVAK P, ENGLICH J and SEDLAK B, STEPANKOVA H; FE-57 NMR AND EXCHANGE INTEGRALS IN AL-SUBSTITUTED HEMATITE; HYPERFINE INTERACTIONS 35(1-4); 1987; 947-950; doi: 10.1007/BF02394530
  57. ROTTER M, SEDLAK B, ENGLICH J and CIZEK P, FINGER M, MALINSKY P, PAVLOV VN; (COFE)-CO-56, (COFE)-CO-57, (COFE)-CO-60 NMR/ON, HYPERFINE ANOMALIES AND GAMMA-FACTORS OF COBALT ISOTOPES; HYPERFINE INTERACTIONS 34(1-4); 1987; 303-306; doi: 10.1007/BF02072726
  58. BRABENEC M, ENGLICH J and NOVAK P, LUTGEMEIER H; ON THE TRANSFERRED HYPERFINE INTERACTION IN SUBSTITUTED YIG; HYPERFINE INTERACTIONS 34(1-4); 1987; 459-461; doi: 10.1007/BF02072756
  59. BRABENEC M, ENGLICH J and ROTTER M, NOVAK P, SRAMEK J; FE-57 NMR IN Y3FE4.5GA0.5O12 SINGLE-CRYSTAL; CZECHOSLOVAK JOURNAL OF PHYSICS 37(1); 1987; 86-92; doi: 10.1007/BF01597882
  60. ROTTER M, SEDLAK B, ENGLICH J and CIZEK P, FINGER M, MALINSKY P; HYPERFINE ANOMALIES AND NUCLEAR Y-FACTORS OF CO-56, CO-57 AND CO-60 ISOTOPES STUDIED BY NMR/ON; CZECHOSLOVAK JOURNAL OF PHYSICS 36(11); 1986; 1331-1335; doi: 10.1007/BF01598033
  61. ENGLICH J and LESTAK L, ROTTER M, SEDLAK B, FINGER M, PAVLOV VN, ANDRIANOV VA, KOZIN MG, SHPINEL VS; NUCLEAR ORIENTATION AND SPIN-LATTICE RELAXATION IN PD-FE-CO ALLOYS; HYPERFINE INTERACTIONS 22(1-4); 1985; 177-179; doi: 10.1007/BF02063990
  62. ENGLICH J and BRABENEC M, NOVAK P, LUTGEMEIER H; ANISOTROPY OF HYPERFINE FIELD IN DIAMAGNETICALLY SUBSTITUTED YIG; JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS 50(1); 1985; 74-82; doi: 10.1016/0304-8853(85)90090-3
  63. ENGLICH J and LUTGEMEIER H, PIEPER MW, NEKVASIL V, NOVAK P; UMBRELLA STRUCTURE IN HO SUBSTITUTED YIG - NMR-STUDY; SOLID STATE COMMUNICATIONS 56(9); 1985; 825-828; doi: 10.1016/0038-1098(85)90318-7
  64. STEPANKOVA H, ENGLICH J and SEDLAK B; FE-57 NMR-SPECTRA IN DOMAIN-WALLS OF HEXAGONAL FERRITES WITH MAGNETOPLUMBITE STRUCTURE; CZECHOSLOVAK JOURNAL OF PHYSICS 33(7); 1983; 816-825; doi: 10.1007/BF01589755
  65. ANDERA V, BRABENEC M, ENGLICH J and LUTGEMEIER H; FE-57 NMR LINE SPLITTING IN SUBSTITUTED YIG; ACTA PHYSICA SLOVACA 31(2-3); 1981; 163-165;
  66. ENGLICH J and CIZEK P; N-14 NMR IN NONSTOICHIOMETRIC CUBIC MANGANESE NITRIDES; PHYSICA STATUS SOLIDI B-BASIC RESEARCH 94(1); 1979; K15-K17; doi: 10.1002/pssb.2220940143
  67. ENGLICH J and PIKNER B, SEDLAK B; PULSE SPECTROMETER FOR NMR MEASUREMENTS IN MAGNETICALLY ORDERED MATERIALS; CESKOSLOVENSKY CASOPIS PRO FYSIKU SEKCE A 25(3); 1975; 254-258;
  68. ENGLICH J and ROTTER M, RIJACEK J; NUCLEAR MAGNETIC-RESONANCE OF FE-57 IN FERROMAGNETIC FE4N; CZECHOSLOVAK JOURNAL OF PHYSICS B 24(9); 1974; 1069-1070; doi: 10.1007/BF01591060
  69. ENGLICH J and SEDLAK B; TEMPERATURE DEPENDENCE OF NUCLEAR MAGNETIC RESONANCE OF MN55 IN FERRIMAGNETIC MN4N; CZECHOSLOVAK JOURNAL OF PHYSICS 16(6); 1966; 540-\&; doi: 10.1007/BF01689829