JPH0397627A - 盤状ゲーサイト - Google Patents

盤状ゲーサイト

Info

Publication number
JPH0397627A
JPH0397627A JP9192090A JP9192090A JPH0397627A JP H0397627 A JPH0397627 A JP H0397627A JP 9192090 A JP9192090 A JP 9192090A JP 9192090 A JP9192090 A JP 9192090A JP H0397627 A JPH0397627 A JP H0397627A
Authority
JP
Japan
Prior art keywords
goethite
discoid
ferric
hydroxide
ratio
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP9192090A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0569777B2 (OSRAM
Inventor
Soichiro Nobuoka
信岡　聡一郎
Takashi Asai
浅井　孝
Kazuaki Ato
和明 阿度
Kyoji Odan
恭二 大段
Yasuo Bando
坂東　康夫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
National Institute of Advanced Industrial Science and Technology AIST
Ube Corp
Original Assignee
Agency of Industrial Science and Technology
Ube Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Agency of Industrial Science and Technology, Ube Industries Ltd filed Critical Agency of Industrial Science and Technology
Priority to JP9192090A priority Critical patent/JPH0397627A/ja
Publication of JPH0397627A publication Critical patent/JPH0397627A/ja
Publication of JPH0569777B2 publication Critical patent/JPH0569777B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Compounds Of Iron (AREA)
  • Hard Magnetic Materials (AREA)
JP9192090A 1990-04-05 1990-04-05 盤状ゲーサイト Granted JPH0397627A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9192090A JPH0397627A (ja) 1990-04-05 1990-04-05 盤状ゲーサイト

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9192090A JPH0397627A (ja) 1990-04-05 1990-04-05 盤状ゲーサイト

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP60114965A Division JPS61275133A (ja) 1985-05-27 1985-05-27 盤状ゲーサイトの製法

Publications (2)

Publication Number Publication Date
JPH0397627A true JPH0397627A (ja) 1991-04-23
JPH0569777B2 JPH0569777B2 (OSRAM) 1993-10-01

Family

ID=14040022

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9192090A Granted JPH0397627A (ja) 1990-04-05 1990-04-05 盤状ゲーサイト

Country Status (1)

Country Link
JP (1) JPH0397627A (OSRAM)

Also Published As

Publication number Publication date
JPH0569777B2 (OSRAM) 1993-10-01

Similar Documents

Publication Publication Date Title
US5338473A (en) Aqueous beta cobaltous hydroxide and method for making
JPS59175707A (ja) 磁気記録用板状Ｂａフエライト微粒子粉末及びその製造法
US4778734A (en) Barium ferrite magnetic powder and magnetic recording medium containing the same
KR900000428B1 (ko) 자기기록용 판상 바륨페라이트 입자의 제조방법
JPH0397627A (ja) 盤状ゲーサイト
DE69800243T2 (de) Verfahren zur Herstellung von Eisenoxid Hydrat und ferromagnetisches Eisenoxid
JPH0262501B2 (OSRAM)
JPS62241827A (ja) 磁気記録用強磁性微粉末の製造方法
JPH0260610B2 (OSRAM)
JPH0319171B2 (OSRAM)
JPH0569776B2 (OSRAM)
JP3812071B2 (ja) 盤状ゲーサイトの製法
JP3832034B2 (ja) 盤状ゲーサイトの製法
JP3049698B2 (ja) 板状酸化鉄微粒子粉末の製造法
JPS61141625A (ja) バリウムフエライト粉末の製造法
JPH1121132A (ja) 盤状ゲーサイトの製法
Hidayah et al. Crystal structure, morphology, and vibrational behavior of Co0. 4Ni0. 5Zn0. 1Fe2O4 magnetic nanoparticles by various synthesis temperature
JPS6283321A (ja) 盤状ゲ−サイトの製造法
JP2004026621A (ja) 板状のオキシ水酸化鉄、酸化鉄、マグネタイトおよびその製造方法
JPH0193427A (ja) 板状ヘマタイト粒子粉末の製造方法
Zhang et al. La 2/3 Ca 1/3 MnO 3 Nanoparticles with Novel Magnetoresistance Property
JPH0417897B2 (OSRAM)
KR920006822B1 (ko) 바륨 페라이트 자기분말 및 그의 제조방법
Yuvaraj et al. Synthesis and optical and magnetic property characterization of Zn1-x-yCoxNiyFe2O4 (x & y= 0, 0.05, 0.15 and 0.25) nanoparticles
JPS6246925A (ja) 環状酸化鉄粉末およびその製法

Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term