Ba-Ferrite 의 생성 및 자기적 성질에 미치는 분쇄시간의 영향
The effects of ball-milling time on solid state reactions in the system $BaCO_3-Fe_2O_3$ and the magnetic properties of Ba-ferrite 4(BaFe_{12}O_{19})$ have been studied. $BaCO_3-Fe_2O_3 $mixtures were prepared by ball-milling for varying lengths of time; 5, 15, 30, 80 and 200 hours. Techniques emplo...
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| Veröffentlicht in: | Journal of the Korean Chemical Society 1983, Vol.27 (3), p.224-232 |
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| container_title | Journal of the Korean Chemical Society |
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| creator | 남효덕(Hyo Duk Nam) 조상희(Sang Hee Cho) |
| description | The effects of ball-milling time on solid state reactions in the system $BaCO_3-Fe_2O_3$ and the magnetic properties of Ba-ferrite 4(BaFe_{12}O_{19})$ have been studied. $BaCO_3-Fe_2O_3 $mixtures were prepared by ball-milling for varying lengths of time; 5, 15, 30, 80 and 200 hours. Techniques employed were thermogravimetry, X-ray diffraction analysis, scanning electron microscopy and B-H curve tracer. It is shown that the aggregation states and superparamagnetic size fractions obtained by increasing ball-milling time have remarkable effects on solid state reactions and magnetic properties of Ba-ferrite. $Fe_2O_3$와 $BaCO_3$ 분체를 철제 ball-mill로 각각 5, 15, 30, 80, 200시간 혼합분쇄하여 얻어진 $BaCO_3-Fe_2O_3$계에서 고체반응 및 생성 Ba-ferrite의 자기적 성질에 미치는 분쇄시간의 영향을 조사하였다. 열천칭, X-선 회절기, 주사형전자현미경 및 B-H 이력곡선기 등을 사용하여 조사한 결과 일정시간 이상 분쇄시켰을 때 입자의 응집현상과 함께 초상자성을 띄는 미립자가 생기게 되어 Ba-ferrite의 생성 및 자기적 성질에 중요한 영향을 미친다는 사실을 확인했다. |
| format | Article |
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Techniques employed were thermogravimetry, X-ray diffraction analysis, scanning electron microscopy and B-H curve tracer. It is shown that the aggregation states and superparamagnetic size fractions obtained by increasing ball-milling time have remarkable effects on solid state reactions and magnetic properties of Ba-ferrite. $Fe_2O_3$와 $BaCO_3$ 분체를 철제 ball-mill로 각각 5, 15, 30, 80, 200시간 혼합분쇄하여 얻어진 $BaCO_3-Fe_2O_3$계에서 고체반응 및 생성 Ba-ferrite의 자기적 성질에 미치는 분쇄시간의 영향을 조사하였다. 열천칭, X-선 회절기, 주사형전자현미경 및 B-H 이력곡선기 등을 사용하여 조사한 결과 일정시간 이상 분쇄시켰을 때 입자의 응집현상과 함께 초상자성을 띄는 미립자가 생기게 되어 Ba-ferrite의 생성 및 자기적 성질에 중요한 영향을 미친다는 사실을 확인했다.</description><identifier>ISSN: 1017-2548</identifier><identifier>EISSN: 2234-8530</identifier><language>kor</language><publisher>대한화학회</publisher><ispartof>Journal of the Korean Chemical Society, 1983, Vol.27 (3), p.224-232</ispartof><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,776,780,881,4010</link.rule.ids></links><search><creatorcontrib>남효덕(Hyo Duk Nam)</creatorcontrib><creatorcontrib>조상희(Sang Hee Cho)</creatorcontrib><title>Ba-Ferrite 의 생성 및 자기적 성질에 미치는 분쇄시간의 영향</title><title>Journal of the Korean Chemical Society</title><addtitle>Journal of the Korean Chemical Society</addtitle><description>The effects of ball-milling time on solid state reactions in the system $BaCO_3-Fe_2O_3$ and the magnetic properties of Ba-ferrite 4(BaFe_{12}O_{19})$ have been studied. $BaCO_3-Fe_2O_3 $mixtures were prepared by ball-milling for varying lengths of time; 5, 15, 30, 80 and 200 hours. Techniques employed were thermogravimetry, X-ray diffraction analysis, scanning electron microscopy and B-H curve tracer. It is shown that the aggregation states and superparamagnetic size fractions obtained by increasing ball-milling time have remarkable effects on solid state reactions and magnetic properties of Ba-ferrite. $Fe_2O_3$와 $BaCO_3$ 분체를 철제 ball-mill로 각각 5, 15, 30, 80, 200시간 혼합분쇄하여 얻어진 $BaCO_3-Fe_2O_3$계에서 고체반응 및 생성 Ba-ferrite의 자기적 성질에 미치는 분쇄시간의 영향을 조사하였다. 열천칭, X-선 회절기, 주사형전자현미경 및 B-H 이력곡선기 등을 사용하여 조사한 결과 일정시간 이상 분쇄시켰을 때 입자의 응집현상과 함께 초상자성을 띄는 미립자가 생기게 되어 Ba-ferrite의 생성 및 자기적 성질에 중요한 영향을 미친다는 사실을 확인했다.</description><issn>1017-2548</issn><issn>2234-8530</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1983</creationdate><recordtype>article</recordtype><sourceid>JDI</sourceid><recordid>eNpFjL1KA0EUhQdRMMS8wzSWCzP3zuzslDEm_oWkSb_MbiawJAbZjYVlcEHRwhRBUxixEUtjI_GVsuM7GFSwOoeP850NUgJA4QUS2SYpccaVB1IE26SSZUnEJKJSTGOJtPaM17BpmowsdfMZdZdzl7_TYnFH3dNktVy45zFdE_d67R4mtHhbus9ZcTOlxUfurnJ3-7ha5D_ibPx1_7JDtnpmkNnKX5ZJp1Hv1A69ZvvgqFZtev0ApCestgg--FYbYYWNZWRjpjlD0ApjJnyQIJChFsC08WWEDJiKDASgTLeHZbL7e9tPslESDrvZIDyunrS5DpCj8IVkPsPgfzc8T5NT201MeLYuJr0IW-39OudScK4kfgPNrWe7</recordid><startdate>1983</startdate><enddate>1983</enddate><creator>남효덕(Hyo Duk Nam)</creator><creator>조상희(Sang Hee Cho)</creator><general>대한화학회</general><scope>DBRKI</scope><scope>TDB</scope><scope>JDI</scope></search><sort><creationdate>1983</creationdate><title>Ba-Ferrite 의 생성 및 자기적 성질에 미치는 분쇄시간의 영향</title><author>남효덕(Hyo Duk Nam) ; 조상희(Sang Hee Cho)</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-k825-4e9e32626e9a4e4ec5bec091032973c046252430394209a65b30207ba2827adf3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>kor</language><creationdate>1983</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>남효덕(Hyo Duk Nam)</creatorcontrib><creatorcontrib>조상희(Sang Hee Cho)</creatorcontrib><collection>DBPIA - 디비피아</collection><collection>Korean Database (DBpia)</collection><collection>KoreaScience</collection><jtitle>Journal of the Korean Chemical Society</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>남효덕(Hyo Duk Nam)</au><au>조상희(Sang Hee Cho)</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Ba-Ferrite 의 생성 및 자기적 성질에 미치는 분쇄시간의 영향</atitle><jtitle>Journal of the Korean Chemical Society</jtitle><addtitle>Journal of the Korean Chemical Society</addtitle><date>1983</date><risdate>1983</risdate><volume>27</volume><issue>3</issue><spage>224</spage><epage>232</epage><pages>224-232</pages><issn>1017-2548</issn><eissn>2234-8530</eissn><abstract>The effects of ball-milling time on solid state reactions in the system $BaCO_3-Fe_2O_3$ and the magnetic properties of Ba-ferrite 4(BaFe_{12}O_{19})$ have been studied. $BaCO_3-Fe_2O_3 $mixtures were prepared by ball-milling for varying lengths of time; 5, 15, 30, 80 and 200 hours. Techniques employed were thermogravimetry, X-ray diffraction analysis, scanning electron microscopy and B-H curve tracer. It is shown that the aggregation states and superparamagnetic size fractions obtained by increasing ball-milling time have remarkable effects on solid state reactions and magnetic properties of Ba-ferrite. $Fe_2O_3$와 $BaCO_3$ 분체를 철제 ball-mill로 각각 5, 15, 30, 80, 200시간 혼합분쇄하여 얻어진 $BaCO_3-Fe_2O_3$계에서 고체반응 및 생성 Ba-ferrite의 자기적 성질에 미치는 분쇄시간의 영향을 조사하였다. 열천칭, X-선 회절기, 주사형전자현미경 및 B-H 이력곡선기 등을 사용하여 조사한 결과 일정시간 이상 분쇄시켰을 때 입자의 응집현상과 함께 초상자성을 띄는 미립자가 생기게 되어 Ba-ferrite의 생성 및 자기적 성질에 중요한 영향을 미친다는 사실을 확인했다.</abstract><pub>대한화학회</pub><tpages>9</tpages><oa>free_for_read</oa></addata></record> |
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| source | EZB Electronic Journals Library |
| title | Ba-Ferrite 의 생성 및 자기적 성질에 미치는 분쇄시간의 영향 |
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