Estudios magnéticos y estructurales de hexaferritas de barrio sustituidas (Sn, Ni -Sn) sintetizadas por molienda de bolas

Alvaro González-Angeles; Anna Grusková; Jozef Sláma; Jorge López-Cuevas; Israel Sauceda-Meza; Jesús Márquez-González; Nun Pitalúa-Díaz

Estudios magnéticos y estructurales de hexaferritas de barrio sustituidas (Sn, Ni -Sn) sintetizadas por molienda de bolas

Translated title of the contribution: Magnetic and structural studies of (Sn, Ni -Sn) substituted barium hexaferrites synthesized by ball milling

Alvaro González-Angeles, Anna Grusková, Jozef Sláma, Jorge López-Cuevas, Israel Sauceda-Meza, Jesús Márquez-González, Nun Pitalúa-Díaz

Departamento de Ingeniería Industrial

Research output: Contribution to journal › Article › peer-review

Abstract

Samples of BaFe_12-2x(SnSn)_xO₁₉ and BaFe_12-2x(NiSn)_xO₁₉ were processed by high energy milling with 0 ≤ x ≤ 0.4 and 0 ≤ x ≤ 0.3 respectively. Sn²⁺-Sn⁴⁺ mixture considerably improved the saturation magnetization, M_s, (from 60.9 to 66.15 A.m²/kg) and diminished quickly the intrinsic coercivity, H_ci, (381.1-72.33 kA/m) to suitable values for high-density magnetic recording applications, with low substitution values. On the other hand, the Ni²⁺-Sn⁴⁺ mixture also decreased the coercivity rapidly (diminution ~ 75%) however without enhancing the saturation magnetization. The shown differences on magnetic properties were mainly due to both magnetic nature of divalent ion and secondary phase presence. Mixtures with Sn²⁺ as partner ion diminished markedly to T_c (~21%).

Translated title of the contribution	Magnetic and structural studies of (Sn, Ni -Sn) substituted barium hexaferrites synthesized by ball milling
Original language	Spanish
Pages (from-to)	61-65
Number of pages	5
Journal	DYNA (Colombia)
Volume	76
Issue number	159
State	Published - 2009

Cite this

@article{72ddfae29cda4c1fb76285b6519baa82,

title = "Estudios magn{\'e}ticos y estructurales de hexaferritas de barrio sustituidas (Sn, Ni -Sn) sintetizadas por molienda de bolas",

abstract = "Samples of BaFe12-2x(SnSn)xO19 and BaFe12-2x(NiSn)xO19 were processed by high energy milling with 0 ≤ x ≤ 0.4 and 0 ≤ x ≤ 0.3 respectively. Sn2+-Sn4+ mixture considerably improved the saturation magnetization, Ms, (from 60.9 to 66.15 A.m2/kg) and diminished quickly the intrinsic coercivity, Hci, (381.1-72.33 kA/m) to suitable values for high-density magnetic recording applications, with low substitution values. On the other hand, the Ni2+-Sn4+ mixture also decreased the coercivity rapidly (diminution ~ 75%) however without enhancing the saturation magnetization. The shown differences on magnetic properties were mainly due to both magnetic nature of divalent ion and secondary phase presence. Mixtures with Sn2+ as partner ion diminished markedly to Tc (~21%).",

keywords = "Magnetic materials, Magnetic properties, Nanocrystalline materials, Substituted hexaferrites",

author = "Alvaro Gonz{\'a}lez-Angeles and Anna Gruskov{\'a} and Jozef Sl{\'a}ma and Jorge L{\'o}pez-Cuevas and Israel Sauceda-Meza and Jes{\'u}s M{\'a}rquez-Gonz{\'a}lez and Nun Pital{\'u}a-D{\'i}az",

year = "2009",

language = "Espa{\~n}ol",

volume = "76",

pages = "61--65",

journal = "DYNA (Colombia)",

issn = "0012-7353",

publisher = "Universidad Nacional de Colombia",

number = "159",

}

TY - JOUR

T1 - Estudios magnéticos y estructurales de hexaferritas de barrio sustituidas (Sn, Ni -Sn) sintetizadas por molienda de bolas

AU - González-Angeles, Alvaro

AU - Grusková, Anna

AU - Sláma, Jozef

AU - López-Cuevas, Jorge

AU - Sauceda-Meza, Israel

AU - Márquez-González, Jesús

AU - Pitalúa-Díaz, Nun

PY - 2009

Y1 - 2009

N2 - Samples of BaFe12-2x(SnSn)xO19 and BaFe12-2x(NiSn)xO19 were processed by high energy milling with 0 ≤ x ≤ 0.4 and 0 ≤ x ≤ 0.3 respectively. Sn2+-Sn4+ mixture considerably improved the saturation magnetization, Ms, (from 60.9 to 66.15 A.m2/kg) and diminished quickly the intrinsic coercivity, Hci, (381.1-72.33 kA/m) to suitable values for high-density magnetic recording applications, with low substitution values. On the other hand, the Ni2+-Sn4+ mixture also decreased the coercivity rapidly (diminution ~ 75%) however without enhancing the saturation magnetization. The shown differences on magnetic properties were mainly due to both magnetic nature of divalent ion and secondary phase presence. Mixtures with Sn2+ as partner ion diminished markedly to Tc (~21%).

AB - Samples of BaFe12-2x(SnSn)xO19 and BaFe12-2x(NiSn)xO19 were processed by high energy milling with 0 ≤ x ≤ 0.4 and 0 ≤ x ≤ 0.3 respectively. Sn2+-Sn4+ mixture considerably improved the saturation magnetization, Ms, (from 60.9 to 66.15 A.m2/kg) and diminished quickly the intrinsic coercivity, Hci, (381.1-72.33 kA/m) to suitable values for high-density magnetic recording applications, with low substitution values. On the other hand, the Ni2+-Sn4+ mixture also decreased the coercivity rapidly (diminution ~ 75%) however without enhancing the saturation magnetization. The shown differences on magnetic properties were mainly due to both magnetic nature of divalent ion and secondary phase presence. Mixtures with Sn2+ as partner ion diminished markedly to Tc (~21%).

KW - Magnetic materials

KW - Magnetic properties

KW - Nanocrystalline materials

KW - Substituted hexaferrites

UR - http://www.scopus.com/inward/record.url?scp=77953868417&partnerID=8YFLogxK

M3 - Artículo

SN - 0012-7353

VL - 76

SP - 61

EP - 65

JO - DYNA (Colombia)

JF - DYNA (Colombia)

IS - 159

ER -

Estudios magnéticos y estructurales de hexaferritas de barrio sustituidas (Sn, Ni -Sn) sintetizadas por molienda de bolas

Abstract

Other files and links

Fingerprint

Cite this