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Successive Magnetic Transitions of PrRh2 Single Crystals
Yu Okawara,Jingwei Cui,Tetsuya Fujiwara,Toru Shigeoka,Kazuyuki Matsubayashi,Yoshiya Uwatoko,Shojiro Kimura,Kazuo Watanabe 한국물리학회 2013 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.63 No.3
Measurements of the magnetization and the specific heat were performed on a PrRh2 single crystal. A strong magnetic anisotropy with the easy magnetization direction of the c-axis is observed. Four anomalies appear in the temperature dependence of magnetic susceptibility along the c-axis;a cusp at TN=52 K, a high peak at T3=38 K, a shoulder at T2=33 K and a small peak at T1=4K are observed, indicating magnetic transitions. The specific heat also shows four anomalies atthe temperatures where the magnetic anomalies appear, confirming the occurrence of successivemagnetic transitions. A clear two-step metamagnetic process appears along the easy magnetizationdirection of the c-axis at low temperatures. The magnetization in the first step is almost constantand is corresponds to (1/5) Ms (Ms: saturation magnetization), indicating that this field-inducedphase has a long period and a stable magnetic structure. A metamagnetic process is hypothesizedon the basis of the magnetic structure. The B001 − T phase diagram is constructed.
( Toshihiko Hata ),( Hiroyuki Sato ),( Ako Machino ),( Mai Wakabayashi ),( Morito Kise ),( Hiroki Ohashi ),( Daisuke Yamashita ),( Kaoru Sakural ),( Toru Matsubayashi ),( Masahiko Hatao ),( Ken Ueda ) 대한내과학회 2014 대한내과학회 추계학술대회 Vol.2014 No.1
31yrs. old female known to have hypertension and dyslipidemia for 1 yr.presented with h/o weight loss around 10 kg for 1 yr,palpiations,diaphoresis and hypertensive urgencyBp 210/110 mmhg)and also found to have diabetes (newly diagnosed)further investigations shows large adrenal mass (left side)suspicion of phaechromocytoma and urine catecholamoines was high, urology was consulted and she underwent left adrenalectomy and biopsy confi rm the diagnosis of malignant phaechromcytoma. Repeat Urine catecholamines which was quite high on presentation later normalized after surgey. Now she is under active follow up with endocrinologist and on antihypertensive medications very minimal doses and for her diabetes she is not on any medications as well after surgery.